JPH0545678U - Film Cartridge camera - Google Patents

Abstract

(57) [Summary] [Purpose] To easily attach and detach the film cartridge lid from the bottom of the camera while still attached to the tripod. [Structure] A film cartridge chamber 2 for accommodating a film cartridge, and a film cartridge insertion opening 2a provided on the lower surface of the camera body 1 for attaching and detaching the film cartridge to and from the film cartridge chamber 2 along the axial direction thereof. , This film cartridge insertion slot 2
Rotating lid 3 for opening and closing a, operation portion 5 operated for opening lid 3 closing film cartridge insertion opening 2a, and tripod mounting screw provided on the lower surface of camera body 1. A camera having a hole (6), which positions the rotation shaft (3a) of the lid (3) so that the respective parts of the tripod attached to the screw hole (6) do not overlap in the rotation path when opening and closing the rotation type lid (3). To do.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a camera in which a film cartridge can be loaded from the bottom surface of the camera body along the axial direction thereof.

[0002]

[Prior Art]

 In recent years, a film cartridge in which the leading end of the film is completely stored has been proposed. In a camera loaded with such a film cartridge, the back side of the camera is fully opened like a camera loaded with a cartridge (for example, 135 film) in which the leader portion of the film is largely pulled out. It is not necessary to provide a back cover, and the film cartridge can be sufficiently attached to and detached from the film cartridge chamber if the above-mentioned insertion opening for inserting the film cartridge and a small lid for opening and closing the opening are provided.

Therefore, for example, a film cartridge chamber provided in the camera body for housing a film cartridge and a camera body for attaching and detaching the film cartridge to and from the film cartridge chamber along the axial direction thereof. On the bottom of the camera to open the film cartridge insertion opening formed on the underside of the camera, the rotatable film cartridge lid that opens and closes the insertion opening, and the film cartridge lid that closes the film cartridge insertion opening. A camera having an operation part provided and a screw hole for attaching a tripod formed on the lower surface of the camera body can be considered.

[0004]

[Problems to be solved by the device]

 However, in the above-mentioned camera in which the film cartridge is loaded from the lower surface of the camera body, if the screw hole for attaching the tripod and the film cartridge insertion opening are close to each other, the film cartridge lid and the tripod platform interfere with each other. I can't open this lid. For this reason, it is necessary to remove the tripod platform from the screw hole and then open the lid to load or replace the film cartridge. Further, when the operation section is provided on the lower surface of the camera body, the operation section is arranged so as not to interfere with the tripod platform, but they are close to each other and the operability of the operation section deteriorates.

It is an object of the present invention to provide a film cartridge type camera in which the film cartridge can be easily attached to and detached from the lower surface of the camera with the tripod attached.

[0006]

[Means for Solving the Problems]

 The present invention will be described with reference to FIG. 1 showing an embodiment. The present invention is provided with a film cartridge chamber 2 for accommodating a film cartridge and a film cartridge chamber 2 provided on the lower surface of the camera body 1. A film cartridge insertion opening 2a for attaching and detaching the cartridge along the axial direction, a rotatable lid 3 for opening and closing the film cartridge insertion opening 2a, and a lid for closing the film cartridge insertion opening 2a. The present invention is applied to a camera provided with an operation section 5 operated to open 3 and a tripod mounting screw hole 6 provided on the lower surface of the camera body 1. In the invention of claim 1, the rotary shaft 3a of the lid 3 is positioned so that the respective parts of the tripod attached to the screw hole 6 do not overlap with each other in the rotary path when the rotary lid 3 is opened and closed. By doing so, the above object is achieved. According to the second aspect of the invention, the operation portion 5 is provided at a position where the operation is not obstructed by the tripod platform 10. According to the third aspect of the present invention, the operation section is arranged on the back surface or the side surface of the camera body.

[0007]

[Action]

 In the camera of the first aspect, the lid 3 is opened and closed without being obstructed by the tripod attached to the screw hole 6, and the film cartridge can be attached and detached without removing the tripod. In the camera according to the second and third aspects, since the operation unit 5 can be operated without being obstructed by the tripod platform 10, the operability is improved.

It should be noted that, in the section of means and action for solving the above problems for explaining the configuration of the present invention, the drawings of the embodiments are used for the sake of easy understanding of the present invention. It is not limited to the example.

[0009]

【Example】

 -First Embodiment- A first embodiment of the present invention will be described with reference to FIG. In the figure, reference numeral 1 is a camera body, and a film cartridge chamber 2 for accommodating a film cartridge is provided on the right side inside the camera body. The film cartridge chamber 2 has a film cartridge insertion opening 2a which opens to the right side of the lower surface of the camera body 1. The film cartridge is attached to and detached from the film cartridge chamber 2 through the film cartridge insertion opening 2a.

Reference numeral 3 denotes a film cartridge lid capable of opening and closing the film cartridge insertion opening 2a, and the right end thereof is rotatably attached to the lower surface of the camera body 1 via a hinge pin (rotating shaft) 3a. A hook 3b is provided on the film cartridge lid 3 so that when the film cartridge insertion opening 2a is closed by the film cartridge lid 3, the hook 3b is not provided in the rectangular hole 1a of the camera body 1. It is locked by the locking member shown.

Reference numeral 5 denotes a release knob (operation portion) which is disposed on the rear surface of the camera body 1 and is always biased to the left by a spring. When the knob 5 is operated to the right against the spring, the engagement between the engagement member provided in the rectangular hole 1a of the camera body 1 and the hook 3a of the film cartridge lid 3 is released, and the film cartridge lid 3 is opened. Be released. Reference numeral 6 is a screw hole for attaching a tripod, which is formed on the left side of the center of the lower surface of the camera body 1, and 7 is a finder.

As described above, in the camera of this embodiment, the screw hole 6 for attaching the tripod is formed slightly left of the center of the lower surface of the camera body 1, and the film cartridge insertion opening 2 a is on the right side of the lower surface of the camera body 1. Since the cartridge lid 3 is opened, it can be configured so that the open end of the cartridge lid 3 does not interfere with the platform 10. That is, the position of the hinge pin 3a can be determined so that the respective parts of the tripod do not overlap in the rotation path when the film cartridge lid 3 is opened and closed. Therefore, the film cartridge lid 3 can be opened and closed without being obstructed by the tripod platform 10 or the like. Further, since the opening knob 5 is arranged on the back surface of the camera body 1, the opening knob 5 can be operated without being obstructed by the platform 10. As a result, the film cartridge lid 3 can be easily opened by the opening knob 5 to attach / detach the film cartridge while the camera is still attached to the tripod. Further, in this embodiment, since the hinge pin 3a of the film cartridge lid 3 is provided on the right side edge of the lower surface of the camera, it is widely opened without any restriction on the side of the camera, and the film cartridge can be easily inserted.

The same action and effect as described above can be obtained by setting the rotation center of the film cartridge lid 3 at the front edge of the camera and disposing the open knob 5 on the right side surface of the camera body 1. ..

Second Embodiment A second embodiment of the present invention will be described with reference to FIGS. In FIG. 2, reference numeral 11 denotes a camera body, a screw hole 12 for mounting a tripod is provided on the left side of the lower surface of the camera body 11, and a film cartridge is provided on the right side of the lower surface of the camera body 11. A film cartridge insertion port 14a for attaching and detaching the film cartridge is provided. As shown in FIGS. 3 and 4, one end of a film cartridge lid 15 is rotatably supported by a hinge pin 16 on the left side edge of the insertion opening 14a. A tripod 13 is attached to the screw hole 12 via the platform 13a. The position of the hinge pin 16 is set so that the distance L1 from the hinge pin 16 to the platform 13a of the tripod 13 and the distance L2 from the hinge pin 16 to the leg 13b of the tripod 13 are larger than the turning radius R of the film cartridge lid 15. Has been decided.

As described above, since the distances L1 and L2 from the hinge pin 16 to the tripod head 13a and the leg 13b of the tripod 13 are set to be larger than the turning radius R of the film cartridge lid 15, the camera remains attached to the tripod 13. The film cartridge lid 15 can be opened and closed to load or replace the film cartridge. Although the open knob of the film cartridge lid 15 is not shown, it can be provided on the back or side of the camera as in the first embodiment.

[0016]

[Effect of the device]

 According to the present invention, since the opening and closing of the cartridge lid is not obstructed by the tripod attached to the screw hole, the film can be exchanged by opening the lid while the camera is attached to the tripod. Further, since the operation of the cartridge lid opening / closing operation portion is not hindered by the platform, the lid opening / closing operability is improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of a film cartridge type camera according to the present invention, as viewed obliquely from below.

FIG. 2 is a perspective view showing a film cartridge type camera according to a second embodiment of the present invention in an inverted state.

FIG. 3 is a bottom view of the camera of FIG.

FIG. 4 is a front view showing the camera of FIG. 2 in an inverted state.

[Explanation of symbols]

 1,11 Camera body 2,14 Film cartridge chamber 2a, 14a Film cartridge insertion port 3,15 Film cartridge lid 5 Open knob 6,12 Screw hole 10,13a Pan head 13 Tripod

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yuji Katano 1-3-6 Nishioi, Shinagawa-ku, Tokyo Inside Nikon Oi Manufacturing Co., Ltd.

Claims (3)

[Scope of utility model registration request] 1. A film cartridge chamber for accommodating a film cartridge, and a film cartridge insertion port provided on the lower surface of the camera body for attaching and detaching the film cartridge to and from the film cartridge chamber along its axial direction. A rotatable lid that opens and closes the film cartridge insertion opening, an operation unit that is operated to open the lid that closes the film cartridge insertion opening, and a tripod mounting screw hole provided on the lower surface of the camera body. A film cartridge, wherein the rotation axis of the lid is positioned so that each part of the tripod attached to the screw hole does not overlap in a rotation path when the lid is opened and closed. Expression camera. 2. The film cartridge type camera according to claim 1, wherein the operation section is provided at a position where its operation is not hindered by the tripod platform. 3. The film cartridge type camera according to claim 2, wherein the operation section is provided on a back surface or a side surface of the camera body.