US20070025101A1 - Light guide for tools or firearms - Google Patents
Light guide for tools or firearms Download PDFInfo
- Publication number
- US20070025101A1 US20070025101A1 US11/350,283 US35028306A US2007025101A1 US 20070025101 A1 US20070025101 A1 US 20070025101A1 US 35028306 A US35028306 A US 35028306A US 2007025101 A1 US2007025101 A1 US 2007025101A1
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- Prior art keywords
- guide
- light source
- flashlight
- magazine
- handgun
- Prior art date
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
- F41A9/61—Magazines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/32—Night sights, e.g. luminescent
- F41G1/34—Night sights, e.g. luminescent combined with light source, e.g. spot light
- F41G1/35—Night sights, e.g. luminescent combined with light source, e.g. spot light for illuminating the target, e.g. flash lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G11/00—Details of sighting or aiming apparatus; Accessories
- F41G11/001—Means for mounting tubular or beam shaped sighting or aiming devices on firearms
- F41G11/003—Mountings with a dove tail element, e.g. "Picatinny rail systems"
Definitions
- This invention relates to a flashlight guide used with firearms, hand tools and the like and more particularly, but not by way of limitation, to a flashlight guide for mounting on the bottom of a handgun grip, on the bottom of a magazine received in the handgun or on a hand tool.
- the flashlight guide is adapted for resting on top of a portion of a flashlight for aligning a flashlight beam relative to a line of sight of the handgun or tool when pointing toward a target or work piece, so that the beam and line of sight intersect at a predetermined range.
- U.S. Pat. No. 1,826,004 discloses a flashlight having a barrel rest between the light portion and the battery case.
- the barrel portion includes a setscrew and shims, but does not discuss their use in adjusting the orientation of the flashlight relative to the barrel.
- U.S. Pat. No. 2,209,524 discloses a flashlight having a barrel rest that is adjustable vertically and horizontally, using a pair of setscrews. Optical means are disclosed for providing a light beam in which the central portion is rendered more visible.
- U.S. Pat. No. 4,758,933 discloses handguns and shotguns including grooves to seat a cylindrical flashlight barrel by hand to aim in the same direction as the firearm.
- U.S. Pat. No. 5,816,683 discloses a flashlight adapter which allows a flashlight to slide onto the bottom of the handle of a semiautomatic pistol.
- the flashlight and barrel axes are substantially parallel, but there appear to be no means for adjusting the angle of the light beam relative to the barrel.
- U.S. Pat. No. 3,106,348 discloses a bracket system for detachably mounting a flashlight on a hand supported firearm (e.g., the handle of a revolver) so that the flashlight is supported beneath the firearm and substantially parallel to the axis of the barrel to illuminate an area toward which the firearm is pointed. No means for adjustment of the flashlight relative to the barrel axis are disclosed.
- U.S. Pat. No. 4,697,226 discloses a light mount for firearms, particularly shotguns, to selectively place a beam of light at the approximate point of impact from the firearm.
- the flashlight is shown as mounted atop the shotgun barrel with devices including a tubular housing, a spring housing and a base member. No means are apparently provided for adjustment of the light beam relative to the barrel. Remote switching means for the flashlight are disclosed.
- U.S. Pat. No. 5,167,446 discloses a handgun grip accessory for attachment to the tubular casing of a flashlight to enable the user to hold the flashlight while at the same time aiming the attached handgun (using a two-handed grip) at an object illuminated by the flashlight. No means are apparently provided for adjusting the light beam relative to the handgun barrel. A finger-actuated switch for the flashlight is disclosed.
- U.S. Pat. No. 5,560,703 discloses a mounting device for removably mounting a flashlight on a handgun, using a combination of brackets and an elastic band surrounding the handgun grip.
- the brackets are said to hold the flashlight in desired alignment with the barrel of the gun, but there is apparently no provision for adjustment of this alignment.
- the attachment system is said to avoid problems associated with the fitting of the handgun into a holster. Remote switching for the flashlight is disclosed.
- U.S. Pat. No. 5,628,555 discloses a switch actuation mechanism for a firearm-mounted flashlight having a “momentary” switch mechanism.
- the actuating mechanism includes a lever to be actuated by the finger of the hand gripping the firearm to operate the flashlight.
- the flashlight is illustrated as attached to the magazine base of a semiautomatic pistol, but does not appear to be adjustable relative to the barrel.
- U.S. Pat. No. 6,023,875 discloses an illumination source and mounting system to be detachably secured to a family of firearms including pistols, revolvers and long guns.
- a “mount-to-magazine interface” aligns the light beam to provide illumination at a fixed range impact point, but no adjustment of this alignment appears to be provided for. Remote pressure switching for the flashlight is disclosed.
- This system is commercially available as the “TACM III Tactical Light System” from Diamond Products Marketing, Inc. of Palm Bay, Fla.
- U.S. Pat. No. 5,816,683 discloses a flashlight adapter for a handgun having a base retainer receivable into the interior of a magazine through the lower end thereof.
- the magazine base has a channel therein for receiving a lightholder holding a flashlight therein.
- a “QUIK-2-SEE” Flashlight Mounting System is commercially available, apparently related to this patent and connecting a flashlight to the magazine of a firearm in a fixed position via a flanged adapter attached to the flashlight and a T-rail sliding bar fastened to the magazine and adapted to interconnect with the flashlight flanged adapter.
- a primary object of the invention to provide a light holder and guide attachable to a bottom of a grip of a handgun, a bottom of a firearm magazine or a hand tool and used for connection onto the top of a portion of a light source such as a flashlight.
- Another object is a guide which is adaptable for use on different sizes, shapes and lengths of flashlights.
- a further object is a guide which has no sharp or pointed parts that will bear against a user's hand, when inserting a magazine into the firearm or handling the unit.
- Another object of the invention is to provide means for quick and accurate alignment of a flashlight beam relative to a line of sight of the handgun at a selected distance during night or low light engagement.
- a related object is aiming means wherein the proper alignment of the flashlight beam relative to the line of sight provides for better lighting of the sight picture on the firearm.
- Yet another object of the invention is aiming means comprising at least one aiming wedge used with the guide for adjusting vertically the alignment of the flashlight beam relative to the weapon's line of sight to illuminate the target at a selected distance, usually the point of aim or expected point of impact.
- Still another object of the invention is means by which the flashlight guide can be attached to the bottom of the grip of the firearm, the magazine or hand tool using different types of mechanical fasteners or glue.
- a further object of the flashlight guide is the use of attachment means comprising a flashlight holder removably secured to the guide and adapted for encircling at least a portion of the flashlight.
- the object of the flashlight holder is to allow the user the free use of the hand which would normally hold the flashlight.
- Another object of the flashlight holder is a device which can also be used for attachment to the user's belt or securing to different types of storage devices or hangers.
- a light guide assembly for mounting on a projecting device, the light guide being used to align at least one light beam from a light source with a line of sight of the projecting device, the light guide assembly preferably being adapted for removable connection to the light source.
- the light guide comprises a guide base having an upper surface and a lower surface, with connecting means provided for connecting the upper surface to a lower portion of the projecting device. Connecting means are also preferably provided for removably connecting the lower surface of the guide base to the light source so that the light beam and the device's line of sight are substantially parallel.
- At least one aiming wedge having a predetermined included angle can be installed between the upper surface of the guide base and the lower portion of the projecting device to alter the alignment of the light beam relative to the line of sight of the device, normally in a vertical plane.
- a light guide comprises the guide base described above, with a first rail and a second rail extending downwardly and outwardly from opposite sides of the bottom surface of the guide base. Together, the inner surfaces of these rails and the bottom surface of the guide base lying between them form a space like an inverted “V” which will readily accommodate a cylindrical light source such as a flashlight in a stable position.
- the light source can be actuated by any suitable conventional switching, but preferably is connected to remote switching means adapted for actuating the source by the user while aiming the projecting device.
- a flashlight guide assembly includes a guide base having an upper surface and a first and a second rail extending downwardly and outwardly from opposite sides of a bottom surface of the guide base.
- the first and second rails and the bottom surface of the guide base form an inverted V-shaped space which is adapted for rapid engagement of the top of a flashlight and along its length.
- the front ends of the rails, and front of the top surface of the guide base when mounted in a protruding position can serve as a finger rest extension for the little finger of the hand of the shooter when it is holding the flashlight and weapon.
- the guide base can include one or more aiming wedges disposed between the upper surface of the guide base and the bottom of the handgun grip or magazine. The aiming wedges are used, singly or in combination, for adjusting vertically the alignment of the flashlight beam relative to the line of sight of the handgun so that these lines intersect at a selected distance.
- the invention permits rapid target identification and aiming.
- a distinct brighter central portion of the light beam (available with some flashlight models and bulbs; see, e.g., U.S. Pat. No. 2,209,524) can be used as a sight, previously zeroed to the firearm LOS. This can decrease the time needed for both target identification and aiming, which may be critical in exigent circumstances.
- the weapon and light can be held (either separately or combined) close to the user's body below eye level, yet be ready for immediate firing. This provides a dual advantage of reducing fatigue during extended periods of searching in the dark and providing a desirable tactical position in the event of a close-quarters encounter with an opponent. Such a positioning method also allows better control of recoil for faster follow-up shots.
- the light guide assembly of the invention can facilitate speedy and effective replacement of magazines in pistols or other weapons.
- the magazine will often fail to seat properly if the inserting hand strikes the lower portion of the hand gripping the weapon.
- This problem has traditionally been solved by fastening extensions to the bottoms of magazines (called bumper pads or slam pads, commonly made of rubber) to provide the needed clearance.
- bumper pads or slam pads commonly made of rubber
- Such pads can also cushion the magazine base plate and spread the impact of insertion over a larger area to protect the base from damage, e.g. when an ejected magazine strikes the ground.
- the various light guides disclosed and claimed herein as being larger on the lower surface than on the upper surface (which is connected to the magazine) can be regarded as magazine grasping aids or gripping devices.
- FIG. 1 is an exploded perspective view of the subject flashlight guide with a selected aiming wedge positioned for attachment to the bottom of a magazine received in the handgrip of a handgun.
- a flashlight is illustrated showing the flashlight guide positioned to be received and rest on a portion of the top of a length of the flashlight.
- FIG. 1A is a perspective view of a flashlight holder attached to the flashlight guide for freeing a hand used in holding the flashlight.
- FIG. 1B is a perspective view of another device adapted for releasable attachment to the flashlight guide and fastening to a portion of the flashlight.
- FIG. 1C is a sectional view of a flashlight holder similar to that of FIG. B, attached to a light guide and containing a flashlight.
- FIG. 2 is a perspective view showing a line of sight of the handgun and the flashlight beam intersecting at a selected distance “D” on a target.
- FIG. 3 is an enlarged, exploded perspective view of the flashlight guide and multiple aiming wedges having different degrees of angle from the horizontal and used in aligning the flashlight beam.
- FIG. 4 is an end view of the flashlight guide with a pair of aiming wedges coupled together to increase the degree of angle from the horizontal used in aligning the flashlight beam.
- FIG. 5 is an exploded view of a handgun magazine and a light source guide according to another embodiment.
- the light source guide systems of the present invention will be described as installed on a particular projecting device, namely a semiautomatic pistol containing a magazine in the handgrip.
- the light source can be a typical flashlight, normally battery-powered, providing a beam of visible light which can be focused into a relatively narrow beam.
- other power sources including household electricity or vehicle systems can be used, and alternative or additional portions of the electromagnetic spectrum (including the infrared and ultraviolet) can be employed.
- Multiple light sources can be used, such as a source with a relatively diffuse illumination beam and a laser or other device producing a narrow beam. Such multiple sources can be adapted for use simultaneously and/or separately, and can be arranged so that their beams are parallel or coincident.
- projecting device is meant a weapon or other device which aimably launches a projectile or other object some distance from a barrel or other longitudinally-aligned launching device.
- Conventional firearms with which the invention can be employed include pistols such as revolvers and semiautomatic models containing a magazine in the handgrip thereof, long-barreled guns such as rifles, shotguns and carbines; military or unconventional weapons including a pistol-like handgrip such as automatic pistols, submachine guns and firearms with shortened stocks, and the like.
- Firearms with long magazines protruding below the frame may require that the guide systems of the invention be attached to the magazine, barrel or stock to maintain a clear beam line to the target or expected point of impact.
- the guide assemblies of the invention can be employed with military weapons including hand-held or mounted grenade launchers, machine guns, and antitank weapons such as rocket-propelled grenade launchers.
- Projecting devices other than firearms with which the guide assemblies of the invention can be used include crossbows, especially those with pistol grips, archery bows including sighting devices, paintball guns and similar training or recreational devices, squirt guns; gas, air or spring-powered pellet and BB guns; underwater spearguns and the like.
- Such projecting devices also include various types of dart guns, ranging from recreational devices to those used for tranquilizing large animals.
- the guide assemblies of the present invention are not limited to use with projecting devices such as firearms, but can also be used to mount light sources upon any handtool or other device which would benefit from the presence of a light source which is aimable in at least one axis relative to the axis of the device.
- the guide assemblies can be used to mount light sources upon hand tools such as rakes, hoes, forks or shovels to focus the light upon a point adjacent the working end of the tool to facilitate gardening at dusk, digging or gathering shellfish, or similar activities. They can also be used to provide illumination for pruning hooks, pole-mounted fruit picking devices and the like.
- Sporting applications include hand-held harpoons, tridents and the like used for fishing, frogging or crabbing.
- the light guides can also be used with underwater spearguns and the like, provided that diving flashlights or the like are employed. Further applications include hand-held or mounted photographic or video equipment.
- the systems of the invention are generally symmetric for mounting upon the projecting devices and illustrated and described for use of devices held primarily with the right hand, if necessary the devices can be altered for suitable mounting on asymmetric projecting devices and/or constructed for use with devices having left hand grips, generally by producing mirror images of the embodiments shown herein for right hand grips.
- Certain terminology will be used in the following description for convenience in reference only, and should not be considered limiting.
- the words “up”, “down”, “right” and “left” will designate directions in the drawings to which reference is made.
- the words “front” and “rear” will refer, respectively, to the muzzle and of a firearm and the opposite end therefrom.
- top and bottom will refer to the portions of the components of the invention and the projecting devices upon which they are employed which are shown as uppermost or lower in the drawings, and which are normally uppermost or lower when used in the normal terrestrial frame of reference in which the “top” or upper surface is the side opposite the gravitational force.
- FIG. 1 a perspective view of the subject flashlight guide assembly is shown having a general reference numeral 10 .
- the flashlight guide assembly 10 can include one or more aiming wedges 12 used for flashlight beam alignment and means for attaching the light source.
- the light guide 11 and one of the aiming wedges 12 are shown positioned for attachment to a bottom 14 of a magazine 16 received in the handgrip 18 of a generic semiautomatic handgun 20 .
- a flashlight 22 is shown positioned under the flashlight guide 11 .
- the guide 11 is designed to be received in a resting position on top of a portion of a length of the flashlight 22 for aligning a flashlight beam, shown as dashed lines 24 in FIG. 2 . Due to the form of guide 11 , the flashlight can be held in a stable position by the shooter's left hand while shooting.
- the length of the flashlight 22 and the flashlight beam 24 and a line of sight of the handgun 20 are substantially aligned with each other in a vertical plane.
- the vertical plane is formed by a horizontal “X” axis and a substantially vertical “Z” axis as shown in FIG. 2 .
- the “X” axis runs the length of the handgun 20 and along its line of sight (LOS) and runs parallel to the flashlight beam 24 and the length of the flashlight 22 .
- the “Z” axis runs vertically along the length of the grip 18 and substantially parallel thereto.
- the guide 11 can provide a small angle between the beam and the LOS in this vertical plane.
- a lateral axis Y (not shown here) can be defined substantially perpendicular to the X and Y axes to provide a three-dimensional system. Small lateral adjustments to the beam direction can be made when installing the guide assembly to ensure that the beam and weapon line of sight are substantially parallel in the horizontal (X-Y) plane, by rotating the guide assembly laterally about the vertical axis of its attachment to the weapon base.
- While the subject flashlight guide assembly 10 is shown and discussed in use with the handgun 20 , it should be kept in mind that the guide can be used equally well with rifles, shotguns and other types of firearms and tools requiring the use of a flashlight when operating in the dark.
- FIG. 1A a perspective view of a flashlight holder 28 is shown for fastening to a portion of the flashlight 22 and attachment to the light guide.
- the flashlight holder is preferably adjustable to accommodate light sources of various sizes.
- a flashlight receiver section is formed on the lower portion of holder 28 by two rails 54 , which will accommodate flashlights of various sizes much like light guide 11 .
- Base 30 of holder 28 is connected to rails 54 , both sides 56 and stop 31 .
- Sides 56 each contain at least two lateral holes or slots 50 to accommodate strapping means 52 (nylon ties or straps, cord, wire or other suitable materials) to encircle flashlight 22 and secure it to holder 28 .
- Securing means 58 are preferably provided for these strapping means.
- Light guide 11 (not shown here) can then be secured inside the upper engaging portion of holder 28 (comparable to the upper portion of the device shown in FIG. 1B ) to attach the flashlight to the light guide and the handgun or other projecting device.
- the holder 28 can thus be attached to the bottom of the flashlight guide 11 for freeing a hand normally used in 15 holding the flashlight apart from the handgun. Care should be taken in attaching flashlights or any light source to the handgun or other projecting device to position same to optimize the balance of the combined devices.
- any suitable switching means can be used for the light source, such as sliding switch 23 shown on the side of flashlight 22 or conventional pressure on-off switches placed in the base of the flashlight or other light source.
- switching means can be provided which can be actuated by a finger of the shooter operating as a momentary switch which actuates the light only when pressure is applied or in a conventional on-off mode.
- Such switches and installations on firearms are disclosed in U.S. Pat. Nos. 5,628,555; 4,697,226; 5,167,446; 5,560,703 and 6,013,875, all of which are incorporated herein by reference in their entirety, including the figures.
- FIG. 1B a perspective view of another type of flashlight holder 29 is illustrated, having a contoured open top guide housing 30 with stop 31 for receiving the flashlight guide 11 therein (not shown here) in dovetail fashion.
- the guide 11 is held in the guide housing 30 using at least one spring catch 33 , which is adapted to catch the front end of guide 11 .
- spring catch 33 When the spring catch 33 is moved outwardly, guide 11 can be slidably released from inside guide housing 30 .
- a setscrew 27 or other threaded fastener can be used in guide housing 30 or elsewhere on holder 29 to secure a flashlight in place.
- guide 11 can have a magnet incorporated into its structure or an attached magnet for securing the guide bracket to the top of the flashlight 22 .
- flashlight 22 is not ferromagnetic, magnetic material can be attached thereto to facilitate such attachment to the guide bracket.
- attachment devices and means used for holding the flashlight guide assembly 10 on the top of the flashlight 22 .
- FIG. 1C illustrates in cross section a flashlight holder 29 similar to that of FIG. 1B , containing a flashlight 22 which is retained in place with a setscrew 27 or similar fastener.
- the upper portion of the holder has been attached in dovetail fashion to the rails of light guide 11 , which is attached to butt 18 of a handgun or the like.
- Holder 29 is retained in place as installed by clip 15 33 , which can be easily attached or detached by the operator with one hand, and can further be used for carrying the holder (and flashlight, when installed) from a belt or other attachment point.
- FIG. 2 is a perspective view in which the line of sight 26 of the handgun 20 and the flashlight beam 24 are shown aligned at a selected distance “D” on a target 32 .
- the distance may be in the range of about 4 to 7 yards or greater, depending upon the type of weapon and the expected shooting environment. If one or more aiming wedges 12 are used, the flashlight beam 24 can be adjusted upwardly or downwardly in the XZ vertical plane for illuminating a point of impact on target 32 .
- FIG. 3 an enlarged, exploded perspective view of the flashlight guide 11 and aiming wedges 12 is shown.
- the wedges 12 can have different amounts of included angle, for example 2 degrees, 4 degrees or 8 degrees, and are used in aligning the flashlight beam.
- Two or more wedges can be coupled together for altering the angle of the flashlight beam 24 relative to the line of sight 26 .
- the wedges can be “stacked,” or combined with their tips pointing in the same or different directions, to achieve fine adjustments in the angle between the light beam and the line of sight. At short range, the light beam will normally be directed slightly above the LOS.
- the flashlight guide 11 preferably includes a guide base 34 having an upper surface 36 and a first rail 38 and a symmetrically spaced apart second rail 40 extending downwardly and outwardly from opposite sides of the bottom surface 42 of the guide base 34 .
- the first and second rails 38 and 40 , with space therebetween and the bottom surface 42 of the guide base 34 are adapted and provide for rapid engagement on a portion of the top of the flashlight 22 , regardless of the diameter of the flashlight, and provide proper lateral alignment of the flashlight beam 24 relative to the line of sight 26 of the handgun 20 .
- the rails 38 and 40 can be constructed to be folded on the guide base 34 for convenient storage or carrying.
- the outer surfaces of rails 38 and 40 extend downwardly and outwardly for ease of handling, as discussed below.
- the bottom surface 42 can be flat across the width of the guide base 34 and used without the rails 38 and 40 .
- the flat bottom surface 42 of the guide base 34 is used to rapidly engage the top of a flat surface of a flashlight lantern or other light source using either manual pressure or suitable fastening means.
- guide base 34 have some substantial thickness (say, at least about one inch) and a substantially trapezoidal or bulbuous form for units to be attached to firearm magazines. As discussed above, this can facilitate the removal of stuck magazines.
- the flashlight guide bracket 11 can be contoured for rapid engagement on various contours and configurations of light sources such as flashlights, laser units, lanterns and other lighting devices.
- the guide base 34 can include one or more of the aiming wedges 12 disposed between the upper surface 36 of guide base 34 and the bottom of handgun grip 18 or magazine 16 .
- the upper surface 36 and the wedges 12 can be glued to grip 18 or magazine 16 or they can preferably include at least two holes 44 for receiving suitable mechanical fasteners for attachment to the grip or magazine. Any suitable mechanical attachment means can be used here and elsewhere in the assembly, including fabric hook-and-loop fasteners.
- the upper surface 36 and wedges 12 can optionally include a larger take-down access hole 46 for providing access to a magazine floor plate takedown latch or disassembly latch in the bottom of the magazine 16 .
- FIG. 4 an end view of the flashlight guide 11 is shown with a pair of aiming wedges 12 coupled together to increase the degree of angle relative to the LOS used in aligning the flashlight beam 24 .
- a threaded fastener 48 is shown for attaching guide bracket 11 and wedges 12 to the bottom of the pistol grip 18 or the bottom of the magazine 16 through holes 46 if fasteners are used rather than an adhesive. Wedges of different included angles can be assembled in combination, pointing in the same or different directions, to achieve the desired angle between the light source/beam and weapon line of sight.
- the light guide assembly On install the light guide assembly on a firearm (for example, a semiautomatic handgun), first ensure that the firearm and magazine are unloaded. Determine the range for which the light beam is to be aligned relative to the LOS, and the desired illumination at the point of impact. (Depending upon the size and type of the expected target, the light may be directed to different areas, e.g. to blind the eyes of a live target.) Determine how the assembly is to be fastened to the firearm.
- a firearm for example, a semiautomatic handgun
- the flashlight Before the light guide is installed on the grip base or magazine floor plate, hold the flashlight horizontally and place the light guide atop the flashlight, supporting the flashlight with one hand held below same. The firearm should then be pointed at a safe backstop with a distinct aiming point at a suitable range. (The traditional range for night engagements, for example, is 4 to 7 yards.) Holding the light guide bracket to the flashlight, hold the combined units to the butt (or magazine floor plate) of the handgun, keeping a firm, flat contact between the light guide and the handgun.
- the wedges can be glued to the light guide bracket and allowed to dry. Then the upper surface of the light guide assembly (including any wedges used) can be glued to the desired surface of the firearm.
- the glue Before the glue sets, hold the flashlight and light guide assembly in position on the firearm while aiming at the target spot. Rotate the flashlight and light guide assembly in a vertical axis against this attachment point as needed to align the light beam horizontally with the target spot and gunsights. Ensure that the light guide bracket is evenly aligned with the handgun butt or magazine floor plate, and hold it in position until the glue sets. Then, remove the flashlight and place the firearm-guide assembly where this position will be undisturbed while the glue cures completely. At this point, holes may be marked and drilled for installation of any bolts or screws to be used. Note that if screws are used, they should be trimmed to avoid interference with the operation of the magazine parts.
- this procedure can be repeated for each magazine to be used with the light guide assembly, installing same for the same or different ranges.
- the light guide assembly can be positioned and installed on any suitable attachment point.
- FIG. 5 shows an exploded view of a handgun magazine 16 and a light source guide 60 according to another embodiment.
- the guide 60 is designed to fit a specific handgun and/or magazine type, and replaces the standard base plate/floor plate (not shown) of the handgun magazine 16 .
- the guide 60 is designed for fast and simple installation onto the magazine 16 .
- the light source guide 60 includes a base plate portion 62 , an aiming wedge portion 68 and a guide base portion 70 , all of which are formed as a single, integral unit.
- the base plate section 62 includes a magazine engagement rail 64 formed around the perimeter of a floor 66 .
- the magazine engagement rail 64 and floor 66 are sized and shaped to slidably engage base plate engagement rails 19 at the bottom of the magazine 16 .
- a mounting hole 61 is provided in the floor 66 to engage the retainer (not shown) normally used to engage the original magazine base plate.
- the aiming wedge portion 68 is formed below the base plate portion 62 such that the top of the aiming wedge portion 68 is formed integrally with the bottom of the base plate portion 62 .
- the aiming wedge portion performs the function of the aiming wedges 12 described in previous embodiments. That is, the aiming wedge portion 68 is sized and shaped to provide proper vertical alignment of the light beam from a light source or flashlight 22 relative to the line of sight of the handgun. For example, the angle of inclination of the wedge portion 68 and/or the thickness of the wedge portion at the front to the rear of the
- the guide base portion 70 is formed integrally with the bottom of the aiming wedge portion 68 .
- the guide base portion 70 includes a bottom surface 72 , which may be flat across the width of the guide base portion 70 to engage a flat top surface of the light source or flashlight 22 .
- the bottom surface 72 may have other shapes, as required.
- the guide base portion 70 further includes first and second rails 74 and 76 extending downwardly and outwardly from opposite sides of the bottom surface 72 of the guide base portion 70 to engage a light source 22 and align the light beam from the light source 22 relative to the line of sight of the handgun.
- the top of a light source 22 may be quickly and easily placed within the guide base portion 70 such that the light beam from the light source 22 is properly aligned with respect to the line of sight of the handgun.
- the light source can be aligned and stabilized within the guide base portion 70 by a user's hand without attaching the light source 22 to the guide base portion 70 .
- proper alignment and stabilization of the light source 22 can be achieved using gross motor movements. No fine motor movements are needed to align the light source 22 , which can be critical if the handgun user is under duress and/or must act quickly in operating the handgun.
- the above-described light source guide 60 can be easily installed by sliding the guide onto the bottom of the magazine 16 , without the need for tools other than a bullet tip or probe normally inserted for magazine disassembly.
- Any suitable materials can be used to fabricate the components of the light guide assemblies described above. Metals of various types can be used, and can be finished or coated to complement the appearance of the firearm, minimize reflections, etc.
- Various polymeric compositions, including composites, can be used, and can have properties ranging from rigid to flexible to resilient. Care should be taken to avoid brittle materials, whether metallic or plastic. It is presently preferred to use a resilient polymeric composition to absorb some shock when a magazine on which the assembly is mounted is dropped onto the ground. This can also help in mounting the light guide bracket to a flashlight or other light source.
- Thermoplastic polymers suitable for injection molding are preferred. Commercially available materials include Nylon®, Delron®, polyvinyl chloride polymers and acylic-butadiene-styrene (ABS) polymers.
- the light guide assembly components can be installed on suitable portions of projecting weapons and other apparatus in different positions, for example rotated approximately 90 degrees.
- the aiming wedges would be used to align the light beam relative to the LOS in a horizontal plane, and alignment in the vertical plane would be accomplished by rotating the light guide about a horizontal axis.
- a light guide assembly and light source could be installed on one side of a shotgun fore-grip as well as below the grip or the same fore-grip.
- the components of the light guide assembly would still have essentially the same, form, albeit adapted to a particular weapon model, and cooperate in the same manner.
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
A light source guide for attachment to a bottom of a grip of a handgun, a bottom of a firearm magazine, a hand tool or the like, used for resting on top of a portion of the light. The guide is adaptable for receipt on different sizes, shapes, types and lengths of light sources. The light source guide preferably includes a guide base having a upper surface and a first rail and a second rail extending downwardly and outwardly from opposite sides of a bottom surface of the guide base. The first and second rails and the bottom surface of the guide base are preferably adapted for rapid engagement to the top of a suitable light source. Also, the guide base can include at least one aiming wedge disposed between the upper surface of the guide base and the bottom of the implement to which it attaches. The aiming wedges are used for adjusting vertically the alignment of the flashlight beam relative to the line of sight of the handgun or hand tool so that they at a selected distance.
Description
- This application is a Continuation-In-Part (CIP) of U.S. patent application Ser. No. 10/151,082, filed May 17, 2002, which is based on a provisional patent application filed on May 17, 2001 having Ser. No. 60/292,274 by the same inventor and having a title of “LIGHT GUIDE FOR TOOLS AND FIREARMS”. A related application by the same inventor, AJL-1, based upon a provisional application also filed on May 17, 2001, U.S. Ser. No. 60/291,693, is directed to “ERGONOMIC FINGER GRIP ENHANCERS FOR MOUNTING ON FIREARMS, SPORTING IMPLEMENTS OR HAND TOOLS”.
- 1. Field of the Invention
- This invention relates to a flashlight guide used with firearms, hand tools and the like and more particularly, but not by way of limitation, to a flashlight guide for mounting on the bottom of a handgun grip, on the bottom of a magazine received in the handgun or on a hand tool. The flashlight guide is adapted for resting on top of a portion of a flashlight for aligning a flashlight beam relative to a line of sight of the handgun or tool when pointing toward a target or work piece, so that the beam and line of sight intersect at a predetermined range.
- 2. Discussion of Prior Art
- In the United States, there are a number of manufacturers making flashlight systems having an adapter for permanently attaching a flashlight to a bottom of a grip of a handgun, a rifle, a shotgun and the like. The adapters provide light systems for firearms used by law enforcement, home security and sportsmen. Certain prior art flashlight adapters require special holsters for specific models of firearms.
- A number of U.S. patents have issued which disclose light holders for firearms and the like. For example, U.S. Pat. No. 1,826,004 discloses a flashlight having a barrel rest between the light portion and the battery case. The barrel portion includes a setscrew and shims, but does not discuss their use in adjusting the orientation of the flashlight relative to the barrel.
- U.S. Pat. No. 2,209,524 discloses a flashlight having a barrel rest that is adjustable vertically and horizontally, using a pair of setscrews. Optical means are disclosed for providing a light beam in which the central portion is rendered more visible.
- U.S. Pat. No. 4,758,933 discloses handguns and shotguns including grooves to seat a cylindrical flashlight barrel by hand to aim in the same direction as the firearm.
- U.S. Pat. No. 5,816,683 discloses a flashlight adapter which allows a flashlight to slide onto the bottom of the handle of a semiautomatic pistol. The flashlight and barrel axes are substantially parallel, but there appear to be no means for adjusting the angle of the light beam relative to the barrel.
- U.S. Pat. No. 3,106,348 discloses a bracket system for detachably mounting a flashlight on a hand supported firearm (e.g., the handle of a revolver) so that the flashlight is supported beneath the firearm and substantially parallel to the axis of the barrel to illuminate an area toward which the firearm is pointed. No means for adjustment of the flashlight relative to the barrel axis are disclosed.
- U.S. Pat. No. 4,697,226 discloses a light mount for firearms, particularly shotguns, to selectively place a beam of light at the approximate point of impact from the firearm. The flashlight is shown as mounted atop the shotgun barrel with devices including a tubular housing, a spring housing and a base member. No means are apparently provided for adjustment of the light beam relative to the barrel. Remote switching means for the flashlight are disclosed.
- U.S. Pat. No. 5,167,446 discloses a handgun grip accessory for attachment to the tubular casing of a flashlight to enable the user to hold the flashlight while at the same time aiming the attached handgun (using a two-handed grip) at an object illuminated by the flashlight. No means are apparently provided for adjusting the light beam relative to the handgun barrel. A finger-actuated switch for the flashlight is disclosed.
- U.S. Pat. No. 5,560,703 discloses a mounting device for removably mounting a flashlight on a handgun, using a combination of brackets and an elastic band surrounding the handgun grip. The brackets are said to hold the flashlight in desired alignment with the barrel of the gun, but there is apparently no provision for adjustment of this alignment. The attachment system is said to avoid problems associated with the fitting of the handgun into a holster. Remote switching for the flashlight is disclosed.
- U.S. Pat. No. 5,628,555 discloses a switch actuation mechanism for a firearm-mounted flashlight having a “momentary” switch mechanism. The actuating mechanism includes a lever to be actuated by the finger of the hand gripping the firearm to operate the flashlight. The flashlight is illustrated as attached to the magazine base of a semiautomatic pistol, but does not appear to be adjustable relative to the barrel.
- U.S. Pat. No. 6,023,875 discloses an illumination source and mounting system to be detachably secured to a family of firearms including pistols, revolvers and long guns. A “mount-to-magazine interface” aligns the light beam to provide illumination at a fixed range impact point, but no adjustment of this alignment appears to be provided for. Remote pressure switching for the flashlight is disclosed. This system is commercially available as the “TACM III Tactical Light System” from Diamond Products Marketing, Inc. of Palm Bay, Fla.
- U.S. Pat. No. 5,816,683 discloses a flashlight adapter for a handgun having a base retainer receivable into the interior of a magazine through the lower end thereof. The magazine base has a channel therein for receiving a lightholder holding a flashlight therein. A “QUIK-2-SEE” Flashlight Mounting System is commercially available, apparently related to this patent and connecting a flashlight to the magazine of a firearm in a fixed position via a flanged adapter attached to the flashlight and a T-rail sliding bar fastened to the magazine and adapted to interconnect with the flashlight flanged adapter.
- Despite the numerous patents and products in this field, there remains a need for a simple, inexpensive, portable device or system which can be installed to fasten a light source to a projecting device such as a handgun to align the light beam substantially parallel with the weapon's line of sight in the horizontal plane and selectively aligned relative to the line of sight in the vertical axis so that the light beam and the line of sight intersect at the expected point of impact or point of aim.
- None of the above mentioned prior art flashlight systems and adapters provide the unique structure, function, objects and advantages of the subject invention as described herein.
- In view of the foregoing, it is a primary object of the invention to provide a light holder and guide attachable to a bottom of a grip of a handgun, a bottom of a firearm magazine or a hand tool and used for connection onto the top of a portion of a light source such as a flashlight.
- Another object is a guide which is adaptable for use on different sizes, shapes and lengths of flashlights. A further object is a guide which has no sharp or pointed parts that will bear against a user's hand, when inserting a magazine into the firearm or handling the unit.
- Another object of the invention is to provide means for quick and accurate alignment of a flashlight beam relative to a line of sight of the handgun at a selected distance during night or low light engagement. A related object is aiming means wherein the proper alignment of the flashlight beam relative to the line of sight provides for better lighting of the sight picture on the firearm.
- Yet another object of the invention is aiming means comprising at least one aiming wedge used with the guide for adjusting vertically the alignment of the flashlight beam relative to the weapon's line of sight to illuminate the target at a selected distance, usually the point of aim or expected point of impact.
- Still another object of the invention is means by which the flashlight guide can be attached to the bottom of the grip of the firearm, the magazine or hand tool using different types of mechanical fasteners or glue.
- A further object of the flashlight guide is the use of attachment means comprising a flashlight holder removably secured to the guide and adapted for encircling at least a portion of the flashlight. The object of the flashlight holder is to allow the user the free use of the hand which would normally hold the flashlight. Another object of the flashlight holder is a device which can also be used for attachment to the user's belt or securing to different types of storage devices or hangers.
- In accordance with the present invention, a light guide assembly is provided for mounting on a projecting device, the light guide being used to align at least one light beam from a light source with a line of sight of the projecting device, the light guide assembly preferably being adapted for removable connection to the light source. The light guide comprises a guide base having an upper surface and a lower surface, with connecting means provided for connecting the upper surface to a lower portion of the projecting device. Connecting means are also preferably provided for removably connecting the lower surface of the guide base to the light source so that the light beam and the device's line of sight are substantially parallel. At least one aiming wedge having a predetermined included angle can be installed between the upper surface of the guide base and the lower portion of the projecting device to alter the alignment of the light beam relative to the line of sight of the device, normally in a vertical plane. In a preferred embodiment, a light guide comprises the guide base described above, with a first rail and a second rail extending downwardly and outwardly from opposite sides of the bottom surface of the guide base. Together, the inner surfaces of these rails and the bottom surface of the guide base lying between them form a space like an inverted “V” which will readily accommodate a cylindrical light source such as a flashlight in a stable position. The light source can be actuated by any suitable conventional switching, but preferably is connected to remote switching means adapted for actuating the source by the user while aiming the projecting device.
- Further in accordance with a preferred embodiment the present invention, a flashlight guide assembly includes a guide base having an upper surface and a first and a second rail extending downwardly and outwardly from opposite sides of a bottom surface of the guide base. The first and second rails and the bottom surface of the guide base form an inverted V-shaped space which is adapted for rapid engagement of the top of a flashlight and along its length. The front ends of the rails, and front of the top surface of the guide base when mounted in a protruding position can serve as a finger rest extension for the little finger of the hand of the shooter when it is holding the flashlight and weapon. Also, the guide base can include one or more aiming wedges disposed between the upper surface of the guide base and the bottom of the handgun grip or magazine. The aiming wedges are used, singly or in combination, for adjusting vertically the alignment of the flashlight beam relative to the line of sight of the handgun so that these lines intersect at a selected distance.
- Numerous advantages are attained by using the light guide assembly of the invention with firearms or other projecting devices. For example, in rapid, instinctive shooting situations, the invention permits rapid target identification and aiming. A distinct brighter central portion of the light beam (available with some flashlight models and bulbs; see, e.g., U.S. Pat. No. 2,209,524) can be used as a sight, previously zeroed to the firearm LOS. This can decrease the time needed for both target identification and aiming, which may be critical in exigent circumstances. Using the light guide assembly of the invention on a handgun, the weapon and light can be held (either separately or combined) close to the user's body below eye level, yet be ready for immediate firing. This provides a dual advantage of reducing fatigue during extended periods of searching in the dark and providing a desirable tactical position in the event of a close-quarters encounter with an opponent. Such a positioning method also allows better control of recoil for faster follow-up shots.
- Due to its positioning and shape, the light guide assembly of the invention can facilitate speedy and effective replacement of magazines in pistols or other weapons. When a handgun is held in one hand and a magazine is inserted with the other, the magazine will often fail to seat properly if the inserting hand strikes the lower portion of the hand gripping the weapon. This problem has traditionally been solved by fastening extensions to the bottoms of magazines (called bumper pads or slam pads, commonly made of rubber) to provide the needed clearance. Such pads can also cushion the magazine base plate and spread the impact of insertion over a larger area to protect the base from damage, e.g. when an ejected magazine strikes the ground. Installation of the light guide assemblies of the invention accomplishes similar objects, and their exterior surfaces (which preferably slope outward) also provide an improved grasping surface, facilitating the removal of the magazine. (Magazines occasionally stick in the firearm, e.g. during a double feed stoppage. Sticking magazines are also common with polymer frame handguns.) Thus, the various light guides disclosed and claimed herein as being larger on the lower surface than on the upper surface (which is connected to the magazine) can be regarded as magazine grasping aids or gripping devices.
- These and other objects and advantages of the present invention will become apparent to those familiar with various types of handgun accessories and flashlight attachments when reviewing the following detailed description, including the drawings, showing the contemplated novel construction, combination, and elements as herein described, and more particularly defined by the appended claims, it being understood that changes in the precise embodiments to the disclosed invention are meant to be included as coming within the scope of the claims, except insofar as they may be precluded by the prior art. Numerals are employed to identify corresponding or similar components in the figures and the description.
- The accompanying drawings illustrate preferred embodiments of the present invention according to the best modes presently devised for the practical application of the principles thereof, and in which:
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FIG. 1 is an exploded perspective view of the subject flashlight guide with a selected aiming wedge positioned for attachment to the bottom of a magazine received in the handgrip of a handgun. A flashlight is illustrated showing the flashlight guide positioned to be received and rest on a portion of the top of a length of the flashlight. -
FIG. 1A is a perspective view of a flashlight holder attached to the flashlight guide for freeing a hand used in holding the flashlight. -
FIG. 1B is a perspective view of another device adapted for releasable attachment to the flashlight guide and fastening to a portion of the flashlight. -
FIG. 1C is a sectional view of a flashlight holder similar to that of FIG. B, attached to a light guide and containing a flashlight. -
FIG. 2 is a perspective view showing a line of sight of the handgun and the flashlight beam intersecting at a selected distance “D” on a target. -
FIG. 3 is an enlarged, exploded perspective view of the flashlight guide and multiple aiming wedges having different degrees of angle from the horizontal and used in aligning the flashlight beam. -
FIG. 4 is an end view of the flashlight guide with a pair of aiming wedges coupled together to increase the degree of angle from the horizontal used in aligning the flashlight beam. -
FIG. 5 is an exploded view of a handgun magazine and a light source guide according to another embodiment. - The light source guide systems of the present invention will be described as installed on a particular projecting device, namely a semiautomatic pistol containing a magazine in the handgrip. This illustration is intended to be exemplary rather than limiting of the invention. The light source can be a typical flashlight, normally battery-powered, providing a beam of visible light which can be focused into a relatively narrow beam. In particular embodiments, other power sources including household electricity or vehicle systems can be used, and alternative or additional portions of the electromagnetic spectrum (including the infrared and ultraviolet) can be employed. Multiple light sources can be used, such as a source with a relatively diffuse illumination beam and a laser or other device producing a narrow beam. Such multiple sources can be adapted for use simultaneously and/or separately, and can be arranged so that their beams are parallel or coincident.
- By “projecting device” is meant a weapon or other device which aimably launches a projectile or other object some distance from a barrel or other longitudinally-aligned launching device. Conventional firearms with which the invention can be employed include pistols such as revolvers and semiautomatic models containing a magazine in the handgrip thereof, long-barreled guns such as rifles, shotguns and carbines; military or unconventional weapons including a pistol-like handgrip such as automatic pistols, submachine guns and firearms with shortened stocks, and the like. Firearms with long magazines protruding below the frame may require that the guide systems of the invention be attached to the magazine, barrel or stock to maintain a clear beam line to the target or expected point of impact. In addition to conventional small arms for military, sporting or law enforcement use, the guide assemblies of the invention can be employed with military weapons including hand-held or mounted grenade launchers, machine guns, and antitank weapons such as rocket-propelled grenade launchers.
- Projecting devices other than firearms with which the guide assemblies of the invention can be used include crossbows, especially those with pistol grips, archery bows including sighting devices, paintball guns and similar training or recreational devices, squirt guns; gas, air or spring-powered pellet and BB guns; underwater spearguns and the like. Such projecting devices also include various types of dart guns, ranging from recreational devices to those used for tranquilizing large animals.
- The guide assemblies of the present invention are not limited to use with projecting devices such as firearms, but can also be used to mount light sources upon any handtool or other device which would benefit from the presence of a light source which is aimable in at least one axis relative to the axis of the device. For example, the guide assemblies can be used to mount light sources upon hand tools such as rakes, hoes, forks or shovels to focus the light upon a point adjacent the working end of the tool to facilitate gardening at dusk, digging or gathering shellfish, or similar activities. They can also be used to provide illumination for pruning hooks, pole-mounted fruit picking devices and the like. Other uses include elongated devices used for spraying pesticides or emplacing traps or other devices for pest control in remote locations where visibility is limited. Sporting applications include hand-held harpoons, tridents and the like used for fishing, frogging or crabbing. The light guides can also be used with underwater spearguns and the like, provided that diving flashlights or the like are employed. Further applications include hand-held or mounted photographic or video equipment.
- Although the systems of the invention are generally symmetric for mounting upon the projecting devices and illustrated and described for use of devices held primarily with the right hand, if necessary the devices can be altered for suitable mounting on asymmetric projecting devices and/or constructed for use with devices having left hand grips, generally by producing mirror images of the embodiments shown herein for right hand grips. Certain terminology will be used in the following description for convenience in reference only, and should not be considered limiting. The words “up”, “down”, “right” and “left” will designate directions in the drawings to which reference is made. The words “front” and “rear” will refer, respectively, to the muzzle and of a firearm and the opposite end therefrom. The words “top” and “bottom” will refer to the portions of the components of the invention and the projecting devices upon which they are employed which are shown as uppermost or lower in the drawings, and which are normally uppermost or lower when used in the normal terrestrial frame of reference in which the “top” or upper surface is the side opposite the gravitational force.
- Turning now to the drawings, in
FIG. 1 , a perspective view of the subject flashlight guide assembly is shown having ageneral reference numeral 10. Theflashlight guide assembly 10 can include one or more aimingwedges 12 used for flashlight beam alignment and means for attaching the light source. Thelight guide 11 and one of the aimingwedges 12 are shown positioned for attachment to a bottom 14 of amagazine 16 received in thehandgrip 18 of a genericsemiautomatic handgun 20. Aflashlight 22 is shown positioned under theflashlight guide 11. Theguide 11 is designed to be received in a resting position on top of a portion of a length of theflashlight 22 for aligning a flashlight beam, shown as dashedlines 24 inFIG. 2 . Due to the form ofguide 11, the flashlight can be held in a stable position by the shooter's left hand while shooting. - It should be noted that using the
flashlight guide 11, the length of theflashlight 22 and theflashlight beam 24 and a line of sight of thehandgun 20, shown as dashedlines 26 inFIG. 2 , are substantially aligned with each other in a vertical plane. The vertical plane is formed by a horizontal “X” axis and a substantially vertical “Z” axis as shown inFIG. 2 . The “X” axis runs the length of thehandgun 20 and along its line of sight (LOS) and runs parallel to theflashlight beam 24 and the length of theflashlight 22. The “Z” axis runs vertically along the length of thegrip 18 and substantially parallel thereto. In this manner, the line of sight of the handgun and the flashlight beam are disposed in the same vertical plane for proper alignment using the subject invention. If desired, theguide 11 can provide a small angle between the beam and the LOS in this vertical plane. A lateral axis Y (not shown here) can be defined substantially perpendicular to the X and Y axes to provide a three-dimensional system. Small lateral adjustments to the beam direction can be made when installing the guide assembly to ensure that the beam and weapon line of sight are substantially parallel in the horizontal (X-Y) plane, by rotating the guide assembly laterally about the vertical axis of its attachment to the weapon base. - Since the guide assembly positions the light source some distance from the weapon's bore or line of sight, parallax will affect the alignment of the light beam and the weapon's line of sight at the short ranges normally used, while the beam and line of sight will approach parallelism at infinite range.
- While the subject
flashlight guide assembly 10 is shown and discussed in use with thehandgun 20, it should be kept in mind that the guide can be used equally well with rifles, shotguns and other types of firearms and tools requiring the use of a flashlight when operating in the dark. - In
FIG. 1A , a perspective view of aflashlight holder 28 is shown for fastening to a portion of theflashlight 22 and attachment to the light guide. The flashlight holder is preferably adjustable to accommodate light sources of various sizes. A flashlight receiver section is formed on the lower portion ofholder 28 by tworails 54, which will accommodate flashlights of various sizes much likelight guide 11.Base 30 ofholder 28 is connected torails 54, bothsides 56 and stop 31.Sides 56 each contain at least two lateral holes orslots 50 to accommodate strapping means 52 (nylon ties or straps, cord, wire or other suitable materials) to encircleflashlight 22 and secure it toholder 28. Securing means 58 are preferably provided for these strapping means. Light guide 11 (not shown here) can then be secured inside the upper engaging portion of holder 28 (comparable to the upper portion of the device shown inFIG. 1B ) to attach the flashlight to the light guide and the handgun or other projecting device. Theholder 28 can thus be attached to the bottom of theflashlight guide 11 for freeing a hand normally used in 15 holding the flashlight apart from the handgun. Care should be taken in attaching flashlights or any light source to the handgun or other projecting device to position same to optimize the balance of the combined devices. - Any suitable switching means can be used for the light source, such as sliding
switch 23 shown on the side offlashlight 22 or conventional pressure on-off switches placed in the base of the flashlight or other light source. When the flashlight is hand-held against the light guide during operation, it is convenient to use such switches directly. However, for tactical, convenience and marksmanship reasons, it is preferred that remote switching means be provided which can be actuated by a finger of the shooter operating as a momentary switch which actuates the light only when pressure is applied or in a conventional on-off mode. Such switches and installations on firearms are disclosed in U.S. Pat. Nos. 5,628,555; 4,697,226; 5,167,446; 5,560,703 and 6,013,875, all of which are incorporated herein by reference in their entirety, including the figures. - In
FIG. 1B , a perspective view of another type offlashlight holder 29 is illustrated, having a contoured opentop guide housing 30 withstop 31 for receiving theflashlight guide 11 therein (not shown here) in dovetail fashion. Theguide 11 is held in theguide housing 30 using at least onespring catch 33, which is adapted to catch the front end ofguide 11. When thespring catch 33 is moved outwardly, guide 11 can be slidably released frominside guide housing 30. Asetscrew 27 or other threaded fastener can be used inguide housing 30 or elsewhere onholder 29 to secure a flashlight in place. Also, guide 11 can have a magnet incorporated into its structure or an attached magnet for securing the guide bracket to the top of theflashlight 22. If the case offlashlight 22 is not ferromagnetic, magnetic material can be attached thereto to facilitate such attachment to the guide bracket. Clearly, there can be any number of combinations and types of attachment devices and means used for holding theflashlight guide assembly 10 on the top of theflashlight 22. When attaching the light source (e.g., flashlight) to the light guide, care should be taken to arrange the light source in any holder or attachment means so as to optimize the balance of the complete assembly. -
FIG. 1C illustrates in cross section aflashlight holder 29 similar to that ofFIG. 1B , containing aflashlight 22 which is retained in place with asetscrew 27 or similar fastener. The upper portion of the holder has been attached in dovetail fashion to the rails oflight guide 11, which is attached to butt 18 of a handgun or the like.Holder 29 is retained in place as installed by clip 15 33, which can be easily attached or detached by the operator with one hand, and can further be used for carrying the holder (and flashlight, when installed) from a belt or other attachment point. -
FIG. 2 is a perspective view in which the line ofsight 26 of thehandgun 20 and theflashlight beam 24 are shown aligned at a selected distance “D” on atarget 32. The distance may be in the range of about 4 to 7 yards or greater, depending upon the type of weapon and the expected shooting environment. If one or more aimingwedges 12 are used, theflashlight beam 24 can be adjusted upwardly or downwardly in the XZ vertical plane for illuminating a point of impact ontarget 32. - In
FIG. 3 , an enlarged, exploded perspective view of theflashlight guide 11 and aimingwedges 12 is shown. Thewedges 12 can have different amounts of included angle, for example 2 degrees, 4 degrees or 8 degrees, and are used in aligning the flashlight beam. Two or more wedges can be coupled together for altering the angle of theflashlight beam 24 relative to the line ofsight 26. The wedges can be “stacked,” or combined with their tips pointing in the same or different directions, to achieve fine adjustments in the angle between the light beam and the line of sight. At short range, the light beam will normally be directed slightly above the LOS. - The
flashlight guide 11 preferably includes aguide base 34 having anupper surface 36 and afirst rail 38 and a symmetrically spaced apartsecond rail 40 extending downwardly and outwardly from opposite sides of thebottom surface 42 of theguide base 34. The first andsecond rails bottom surface 42 of theguide base 34 are adapted and provide for rapid engagement on a portion of the top of theflashlight 22, regardless of the diameter of the flashlight, and provide proper lateral alignment of theflashlight beam 24 relative to the line ofsight 26 of thehandgun 20. While not shown in the drawings, therails guide base 34 for convenient storage or carrying. The outer surfaces ofrails - Also, while not shown alone in the drawings, the
bottom surface 42 can be flat across the width of theguide base 34 and used without therails guide 11, theflat bottom surface 42 of theguide base 34 is used to rapidly engage the top of a flat surface of a flashlight lantern or other light source using either manual pressure or suitable fastening means. However, even withoutrails base 34 have some substantial thickness (say, at least about one inch) and a substantially trapezoidal or bulbuous form for units to be attached to firearm magazines. As discussed above, this can facilitate the removal of stuck magazines. Clearly theflashlight guide bracket 11 can be contoured for rapid engagement on various contours and configurations of light sources such as flashlights, laser units, lanterns and other lighting devices. - Furthermore, the
guide base 34 can include one or more of the aimingwedges 12 disposed between theupper surface 36 ofguide base 34 and the bottom ofhandgun grip 18 ormagazine 16. Theupper surface 36 and thewedges 12 can be glued to grip 18 ormagazine 16 or they can preferably include at least twoholes 44 for receiving suitable mechanical fasteners for attachment to the grip or magazine. Any suitable mechanical attachment means can be used here and elsewhere in the assembly, including fabric hook-and-loop fasteners. Also, theupper surface 36 andwedges 12 can optionally include a larger take-downaccess hole 46 for providing access to a magazine floor plate takedown latch or disassembly latch in the bottom of themagazine 16. - In
FIG. 4 , an end view of theflashlight guide 11 is shown with a pair of aimingwedges 12 coupled together to increase the degree of angle relative to the LOS used in aligning theflashlight beam 24. Also, a threadedfastener 48 is shown for attachingguide bracket 11 andwedges 12 to the bottom of thepistol grip 18 or the bottom of themagazine 16 throughholes 46 if fasteners are used rather than an adhesive. Wedges of different included angles can be assembled in combination, pointing in the same or different directions, to achieve the desired angle between the light source/beam and weapon line of sight. - It is expected that those skilled in the art will appreciate the various means of installing and employing the above-described devices from the above detailed description. To further facilitate such actions, the following instructions are provided.
- To install the light guide assembly on a firearm (for example, a semiautomatic handgun), first ensure that the firearm and magazine are unloaded. Determine the range for which the light beam is to be aligned relative to the LOS, and the desired illumination at the point of impact. (Depending upon the size and type of the expected target, the light may be directed to different areas, e.g. to blind the eyes of a live target.) Determine how the assembly is to be fastened to the firearm.
- One may use mounting screws alone (for magazine floor plate attachment), a fast-setting glue such as Loctite® Black Max® or both, for maximum strength. Note that gunsmith may be required for installing screws or bolts in some weapons such as revolvers.
- Before the light guide is installed on the grip base or magazine floor plate, hold the flashlight horizontally and place the light guide atop the flashlight, supporting the flashlight with one hand held below same. The firearm should then be pointed at a safe backstop with a distinct aiming point at a suitable range. (The traditional range for night engagements, for example, is 4 to 7 yards.) Holding the light guide bracket to the flashlight, hold the combined units to the butt (or magazine floor plate) of the handgun, keeping a firm, flat contact between the light guide and the handgun.
- While aiming the gunsight at the target with the light guide, flashlight and handgun held together, turn the flashlight on (setting the beam for spotlight if available) and observe the vertical alignment of the light beam with the target. If the light beam is not aligned with the LOS as desired, place at least one aiming wedge between the handgun butt or floor plate to realign the light beam relative to the LOS. Check the position of the light beam again, and add, delete or reverse aiming wedges until the light beam strikes the desired portion of the target while the LOS is on the aiming point. (The beam can be directed to the aiming point or above, if desired.)
- Once the combination of aiming wedges to be used is determined, the wedges can be glued to the light guide bracket and allowed to dry. Then the upper surface of the light guide assembly (including any wedges used) can be glued to the desired surface of the firearm. Before the glue sets, hold the flashlight and light guide assembly in position on the firearm while aiming at the target spot. Rotate the flashlight and light guide assembly in a vertical axis against this attachment point as needed to align the light beam horizontally with the target spot and gunsights. Ensure that the light guide bracket is evenly aligned with the handgun butt or magazine floor plate, and hold it in position until the glue sets. Then, remove the flashlight and place the firearm-guide assembly where this position will be undisturbed while the glue cures completely. At this point, holes may be marked and drilled for installation of any bolts or screws to be used. Note that if screws are used, they should be trimmed to avoid interference with the operation of the magazine parts.
- For semiautomatic handguns, this procedure can be repeated for each magazine to be used with the light guide assembly, installing same for the same or different ranges. With other models of firearms, sporting implements or the like, the light guide assembly can be positioned and installed on any suitable attachment point.
-
FIG. 5 shows an exploded view of ahandgun magazine 16 and a light source guide 60 according to another embodiment. Theguide 60 is designed to fit a specific handgun and/or magazine type, and replaces the standard base plate/floor plate (not shown) of thehandgun magazine 16. Theguide 60 is designed for fast and simple installation onto themagazine 16. The light source guide 60 includes abase plate portion 62, an aimingwedge portion 68 and aguide base portion 70, all of which are formed as a single, integral unit. - The
base plate section 62 includes amagazine engagement rail 64 formed around the perimeter of afloor 66. Themagazine engagement rail 64 andfloor 66 are sized and shaped to slidably engage base plate engagement rails 19 at the bottom of themagazine 16. A mountinghole 61 is provided in thefloor 66 to engage the retainer (not shown) normally used to engage the original magazine base plate. - The aiming
wedge portion 68 is formed below thebase plate portion 62 such that the top of the aimingwedge portion 68 is formed integrally with the bottom of thebase plate portion 62. The aiming wedge portion performs the function of the aimingwedges 12 described in previous embodiments. That is, the aimingwedge portion 68 is sized and shaped to provide proper vertical alignment of the light beam from a light source orflashlight 22 relative to the line of sight of the handgun. For example, the angle of inclination of thewedge portion 68 and/or the thickness of the wedge portion at the front to the rear of the - The
guide base portion 70 is formed integrally with the bottom of the aimingwedge portion 68. Theguide base portion 70 includes abottom surface 72, which may be flat across the width of theguide base portion 70 to engage a flat top surface of the light source orflashlight 22. However, thebottom surface 72 may have other shapes, as required. Theguide base portion 70 further includes first andsecond rails 74 and 76 extending downwardly and outwardly from opposite sides of thebottom surface 72 of theguide base portion 70 to engage alight source 22 and align the light beam from thelight source 22 relative to the line of sight of the handgun. - As is the case with other embodiments described herein, the top of a
light source 22 may be quickly and easily placed within theguide base portion 70 such that the light beam from thelight source 22 is properly aligned with respect to the line of sight of the handgun. The light source can be aligned and stabilized within theguide base portion 70 by a user's hand without attaching thelight source 22 to theguide base portion 70. Thus, proper alignment and stabilization of thelight source 22 can be achieved using gross motor movements. No fine motor movements are needed to align thelight source 22, which can be critical if the handgun user is under duress and/or must act quickly in operating the handgun. - The above-described light source guide 60 can be easily installed by sliding the guide onto the bottom of the
magazine 16, without the need for tools other than a bullet tip or probe normally inserted for magazine disassembly. - Any suitable materials can be used to fabricate the components of the light guide assemblies described above. Metals of various types can be used, and can be finished or coated to complement the appearance of the firearm, minimize reflections, etc. Various polymeric compositions, including composites, can be used, and can have properties ranging from rigid to flexible to resilient. Care should be taken to avoid brittle materials, whether metallic or plastic. It is presently preferred to use a resilient polymeric composition to absorb some shock when a magazine on which the assembly is mounted is dropped onto the ground. This can also help in mounting the light guide bracket to a flashlight or other light source. Thermoplastic polymers suitable for injection molding are preferred. Commercially available materials include Nylon®, Delron®, polyvinyl chloride polymers and acylic-butadiene-styrene (ABS) polymers.
- Although the invention has been described and illustrated in embodiments involving the use of the aiming wedges to align the light beam relative to the weapon's LOS in a vertical plane, in some cases the light guide assembly components can be installed on suitable portions of projecting weapons and other apparatus in different positions, for example rotated approximately 90 degrees. In such cases, the aiming wedges would be used to align the light beam relative to the LOS in a horizontal plane, and alignment in the vertical plane would be accomplished by rotating the light guide about a horizontal axis. For example, a light guide assembly and light source could be installed on one side of a shotgun fore-grip as well as below the grip or the same fore-grip. The components of the light guide assembly would still have essentially the same, form, albeit adapted to a particular weapon model, and cooperate in the same manner.
- While the invention has been particularly shown, described and illustrated in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the foregoing and other modifications are exemplary only, and that equivalent changes in form and detail may be made therein without departing from the true spirit and scope of the invention as claimed except as precluded by the prior art.
Claims (10)
1. A light source guide for a handgun, comprising:
a base plate portion arranged to engage base plate engagement rails of a handgun magazine;
an aiming wedge portion formed integrally with the base plate portion and providing vertical alignment of a light source with a line of sight of the handgun; and
a guide base portion formed integrally with the aiming wedge portion and arranged to align a light source with respect to a line of sight of the handgun.
2. The light source guide of claim 1 , wherein the base plate portion comprises a magazine engagement rail extending around a floor, and wherein the magazine engagement rail and the floor are sized and shaped to slidably engage said base plate engagement rails.
3. The light source guide of claim 2 , wherein the base plate portion comprises a mounting hole for engaging a retainer of said handgun magazine.
4. The light source guide of claim 1 , wherein the guide base portion comprises first and second rails and extending downwardly and outwardly from opposite sides thereof.
5. The light source guide of claim 1 , wherein the guide base portion is arranged such that the light source can be aligned and stabilized by a user's hand without attaching the light source to the guide base portion.
6. A magazine and light source guide assembly for a handgun, comprising:
a magazine for storing and dispensing ammunition, said magazine comprising base plate engagement rails at a bottom of said magazine for engaging a base plate; and
a light source guide for securing a light source, said light source guide comprising:
a base plate portion arranged to engage said base plate engagement rails;
an aiming wedge portion formed integrally with the base plate portion and providing vertical alignment of said light source with a line of sight of said handgun; and
a guide base portion formed integrally with the aiming wedge portion and arranged to align the light source with respect to a line of sight of the handgun.
7. The magazine and light source guide assembly of claim 6 , wherein the base plate portion comprises a magazine engagement rail extending around a floor, and wherein the magazine engagement rail and the floor are sized and shaped to slidably engage said base plate engagement rails.
8. The magazine and light source guide assembly of claim 7 , wherein the base plate portion comprises a mounting hole for engaging a retainer of said magazine.
9. The magazine and light source guide assembly of claim 6 , wherein the guide base portion comprises first and second rails and extending downwardly and outwardly from opposite sides thereof.
10. The magazine and light source guide assembly of claim 6 , wherein the guide base portion is arranged such that the light source can be aligned and stabilized by a user's hand without attaching the light source to the guide base portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/350,283 US20070025101A1 (en) | 2001-05-17 | 2006-02-09 | Light guide for tools or firearms |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29227401P | 2001-05-17 | 2001-05-17 | |
US29169301P | 2001-05-17 | 2001-05-17 | |
US10/151,082 US7108390B2 (en) | 2001-05-17 | 2002-05-17 | Light guide for projecting weapons and handtools |
US11/350,283 US20070025101A1 (en) | 2001-05-17 | 2006-02-09 | Light guide for tools or firearms |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/151,082 Continuation-In-Part US7108390B2 (en) | 2001-05-17 | 2002-05-17 | Light guide for projecting weapons and handtools |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070025101A1 true US20070025101A1 (en) | 2007-02-01 |
Family
ID=37694077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/350,283 Abandoned US20070025101A1 (en) | 2001-05-17 | 2006-02-09 | Light guide for tools or firearms |
Country Status (1)
Country | Link |
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US (1) | US20070025101A1 (en) |
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US20090190332A1 (en) * | 2003-11-07 | 2009-07-30 | Sharrah Raymond L | Flashlight having back light elements |
US20130185979A1 (en) * | 2010-03-24 | 2013-07-25 | Defender Innovations, Inc. | Magnetic Accessory Mounts |
US20150146417A1 (en) * | 2010-12-02 | 2015-05-28 | Emissive Energy Corporation | Weapon mounted light and operation thereof |
US9777983B2 (en) | 2013-11-13 | 2017-10-03 | Recover, Llc | Integrated handgun grip and rail |
US20170370550A1 (en) * | 2015-03-12 | 2017-12-28 | Hella Kgaa Hueck & Co. | Light module with means for adjustment between a light source and an optical element |
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US20190072347A1 (en) * | 2017-09-05 | 2019-03-07 | Technogel Gmbh | Weapon magazine cushion |
US10578287B2 (en) * | 2010-12-02 | 2020-03-03 | Emissive Energy Corp. | Weapon mounted light and operation thereof |
US20210086064A1 (en) * | 2013-10-04 | 2021-03-25 | Ken Platt | Spring-assisted digit mounted device for launching projectiles |
US20230027511A1 (en) * | 2021-07-26 | 2023-01-26 | Groovlok LLC | Firearm Accessory Mount, Method of Forming the Same, and Method of Using the Same |
US20230258430A1 (en) * | 2022-02-15 | 2023-08-17 | Siriustac Technology Co., Ltd | Holding fixture assembly for quick weapon-mounted light disconnection and installation |
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US20090190332A1 (en) * | 2003-11-07 | 2009-07-30 | Sharrah Raymond L | Flashlight having back light elements |
US10627056B2 (en) | 2009-01-20 | 2020-04-21 | Streamlight, Inc. | Helmet light |
US20130185979A1 (en) * | 2010-03-24 | 2013-07-25 | Defender Innovations, Inc. | Magnetic Accessory Mounts |
US8845123B2 (en) * | 2010-03-24 | 2014-09-30 | Defender Innovations, Inc. | Magnetic accessory mounts |
US11346532B2 (en) | 2010-12-02 | 2022-05-31 | Emissive Energy Corp. | Weapon mounted light and operation thereof |
US10895369B2 (en) | 2010-12-02 | 2021-01-19 | Emissive Energy Corp. | Weapon mounted light and operation thereof |
US9874337B2 (en) * | 2010-12-02 | 2018-01-23 | Emissive Energy Corp. | Weapon mounted light and operation thereof |
US20150146417A1 (en) * | 2010-12-02 | 2015-05-28 | Emissive Energy Corporation | Weapon mounted light and operation thereof |
US10578287B2 (en) * | 2010-12-02 | 2020-03-03 | Emissive Energy Corp. | Weapon mounted light and operation thereof |
US11738257B2 (en) * | 2013-10-04 | 2023-08-29 | SHR Holdings LLC | Spring-assisted digit mounted device for launching projectiles |
US20210086064A1 (en) * | 2013-10-04 | 2021-03-25 | Ken Platt | Spring-assisted digit mounted device for launching projectiles |
US9777983B2 (en) | 2013-11-13 | 2017-10-03 | Recover, Llc | Integrated handgun grip and rail |
US20170370550A1 (en) * | 2015-03-12 | 2017-12-28 | Hella Kgaa Hueck & Co. | Light module with means for adjustment between a light source and an optical element |
US10451241B2 (en) * | 2015-03-12 | 2019-10-22 | Hella Kgaa Hueck & Co. | Light module with means for adjustment between a light source and an optical element |
TWI614052B (en) * | 2017-04-10 | 2018-02-11 | 王樑華 | Anti-shock structure for gun |
US10767945B2 (en) * | 2017-09-05 | 2020-09-08 | Technogel Gmbh | Weapon magazine cushion |
US20190072347A1 (en) * | 2017-09-05 | 2019-03-07 | Technogel Gmbh | Weapon magazine cushion |
US20230027511A1 (en) * | 2021-07-26 | 2023-01-26 | Groovlok LLC | Firearm Accessory Mount, Method of Forming the Same, and Method of Using the Same |
US11988485B2 (en) * | 2021-07-26 | 2024-05-21 | Groovlok LLC | Firearm accessory mount, method of forming the same, and method of using the same |
US20230258430A1 (en) * | 2022-02-15 | 2023-08-17 | Siriustac Technology Co., Ltd | Holding fixture assembly for quick weapon-mounted light disconnection and installation |
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Legal Events
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STCB | Information on status: application discontinuation |
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