JP2016510846A - Safe lock - Google Patents

Abstract

The highly secure lock (10) includes a lock bolt (54) movable between an extended position and a reverse position, a bolt reverse gear (68) coupled to the lock bolt (54), a manual gear, including. If the controller confirms that the user input information is correct for unlocking the lock (10), the bolt reverse gear (68) and the manual gear (78) are operatively connected and the gears (68, 78) The lock bolt (54) can be moved from the extended position to the retracted position.

Description

CROSS REFERENCE TO RELATED APPLICATIONS This invention is a US application filed on Sep. 4, 2009, claiming the benefit of US Provisional Application No. 61 / 094,730 (expired) filed on Sep. 5, 2008. No. 13 / 331,222 (pending) filed on Dec. 20, 2011, which is a continuation of 12 / 554,372 (current U.S. Pat. No. 8,091,392). Which is a continuation-in-part application, the entire disclosure of which is incorporated herein by reference.

  The present invention relates generally to locks, and more particularly to secure locks configured for use in safes and other security structures or areas.

  In many cases, documents with characteristics that should be handled with care and articles of very high property value need to be stored in a safe or other structure. The structure typically includes a locking mechanism, and the structure is basically designed to be accessible only by a small number of selected parties, who may include a locking mechanism lock. A default combination code is provided to help with the release. Unauthorized persons use simple lock picking tools and sophisticated equipment that can apply high mechanical stress or electric or magnetic fields to the lock mechanism to operate the components inside the lock mechanism.

  The more sophisticated tools used to lock pick, the more sophisticated the locking mechanism must be to withstand such advanced lock picking methods. Mechanical and / or electrical elements have been used for locking to provide a complex barrier against potentially unauthorized persons attempting to penetrate the structure. However, unauthorized persons continue to drill and attack even these improved locking mechanisms through the opening of the locking casing into the interior of the locking mechanism. Parts frequently attacked in the lock casing include a mounting bolt and a spindle mounting portion into which the spindle shaft from the combination dial enters the lock casing.

  In addition, it is known that unauthorized persons attempting to break into the structure use a device for imparting high acceleration to the combination dial to overcome the security elements of the locking mechanism. The high acceleration of the gear train can sometimes be unlocked by forcibly rotating the gear that controls the lock bolt without entering the appropriate combination. Such high acceleration devices may include so-called automatic dialing devices that quickly try all possible combinations until the appropriate combination is identified. Even if an unauthorized person does not succeed in opening the locking mechanism in the above manner, the rapid collision of the gear teeth in the gear train caused by high acceleration frequently damages the gear train and causes the locking mechanism to fail. May cause proper operation. A gear tooth collision may provide audible information that can be sensed and used by unauthorized persons to identify the programmed combination that triggers the unlocking of the mechanism.

  In addition, the improved locking mechanism must comply with very stringent government specifications for use in government managed structures or storage devices. For example, the rigor of relevant US government specifications can be easily understood from the Federal Specification FF-L-2740 “FEDERAL SPECIFICATION: LOCKS, COMBINATION” dated October 12, 1989 for all federal agencies. Section 3.4.7 “Combination Redial” states that when a lock bolt is extended to its locked position, the locked combination must not be re-released without being dialed again completely. Required. Section 3.6.1.3 “Emanation Analysis” requires that a lock must not emit a sound or other signal that can be used to secretly release the lock within a specified period of time. Additionally, US government requirements include “FEDERAL SPECIFICATION: COMBINATION LOCK, MECHANICAL” in the Federal Specification FF-L-2937 of January 31, 2005. In this document, in section 4.7.4, “Endurance Test”, sample lock is “50 times including 3 open / close tests after each change to ensure proper combination of setting functionality”. It is required to be repeated after changing the combination. Section 4.7.7 “Resistance to Unauthorized Opening Test” requires that the lock cannot be opened by mechanical operation or automatic dialing with a computer-assisted device for at least 20 hours.

  Therefore, it would be desirable to improve a highly secure lock to address the frequently attacked areas of the lock mechanism while fully complying with typical government specifications.

  In one embodiment, the locking mechanism includes a locking bolt that moves between an extended position and a retracted position. The lock bolt is connected to a bolt reverse gear that is movable between an engagement position and an engagement release position. In the engaged position, the bolt reverse gear is engaged with a manually-driven gear. The locking mechanism further includes a user input device for receiving user input information and a controller for verifying the stored authentication information with the user input information. When detection of valid user input information is detected, the controller starts an actuator assembly having a guide element operable between a capture position and a capture release position. In the capture position, the guide element prevents movement of the bolt reverse gear. In the capture release position, the guide element allows operation of the bolt reverse gear. The guide element prevents movement of the bolt reverse gear toward the engagement position until the controller confirms that the user input information matches the stored authentication information.

  In one aspect, the guide element engages the bolt reverse gear during movement from the capture release position to the capture position to direct the bolt reverse gear toward the disengagement position. The actuator assembly further includes a cam movable between the first position and the second position, an actuator, and a clutch mechanism. The actuator engages with the cam via a clutch mechanism. The cam is positioned proximate to the guide element in the first position and engages the guide element in the second position. Therefore, the cam engages the guide element to move the guide element between the capture position and the capture release position.

  According to another embodiment, the locking mechanism includes a locking bolt that moves between an extended position and a retracted position. The lock bolt is connected to a bolt reverse gear that is movable between an engagement position and an engagement release position. In the engaged position, the bolt reverse gear is engaged with the manual gear. The locking mechanism further includes a lock dial for receiving user input information and a sensor configured to detect rotation of the lock dial. The display is configured to visualize user input information and the controller is configured to verify the user input information against stored authentication information. A controller is operatively connected to the sensor and the display to convert the rotation of the lock dial into user input information that is visualized on the display via a predetermined algorithm. If it is confirmed that the user input information is stored authentication information, the bolt reverse gear moves from the disengagement position to the engagement position together with the manual gear.

  In one aspect, the user input information visualized on the display is basically selected randomly or randomly from the rotational position of the lock dial. Furthermore, the algorithm converts the rotation rate of the lock dial into user input information selected by the user.

  A further embodiment of the locking mechanism includes a lock casing having the lock internal components therein. The lock casing is at least partially formed from a substantially translucent material. In this regard, the internal components of the lock can be viewed from outside the casing so that evidence of unauthorized interference with the lock is visible. Additionally, the lock casing further includes an opaque first portion and a substantially translucent second portion. The first and second portions of the lock casing are permanently sealed to each other such that splitting the first and second portions breaks at least a portion of the lock casing.

  In use, the method of actuating the lock includes capturing the bolt reverse gear using a guide element in the capture position to prevent movement of the bolt reverse gear toward engagement with the manual gear. The method further includes recording user input information from the user input device and verifying that the user input information matches authentication information stored in the controller. The method further includes rotating the actuator assembly cam to engage the guide element and move the guide element to the decapture position. In addition, the method includes disengaging the guide element from the bolt reverse gear to allow engagement between the bolt reverse gear and the manual gear after the user input information is verified. The method further includes driving the lock bolt to the retracted position by manually driving the gear using a bolt retracting gear.

  In one aspect relating to the use of the lock, the method includes actuating an actuator for a predetermined period to rotate the clutch mechanism for a predetermined period and engaging the clutch mechanism with a cam. The method further includes abruptly stopping the cam operation while the actuator continues to operatively rotate the clutch mechanism.

  Various further objects, advantages and features of the present invention will become apparent upon reading the following detailed description of exemplary embodiments in connection with the accompanying drawings.

  The accompanying drawings, which are incorporated in and constitute a part of this description, illustrate embodiments of the invention together with the general description of the invention described above and the detailed description of the embodiments below. It helps to explain the principle of

It is a perspective view of a highly safe lock constituted based on one embodiment of the present invention. FIG. 2 is an exploded perspective view of the lock illustrated in FIG. 1. It is a disassembled perspective view from the back of a lock | rock. It is a perspective sectional view of the lock notched along the longitudinal direction central axis. It is a disassembled perspective view of a lock casing and bolt retraction hardware. FIG. 4 is a partially exploded perspective view illustrating various bolt retraction hardware. FIG. 6 is a perspective view of a bolt retraction assembly. FIG. 6 is a partially cutaway front view showing bolt retraction hardware with bolts in an extended position or a locked position. FIG. 8B is a front view similar to FIG. 8A, showing an initial part of the bolt retraction sequence. FIG. 9 is a front view similar to FIG. 8B showing the bolt retraction hardware associated with the fully retracted position of the bolt. FIG. 9 is a cross-sectional view taken along line 9A-9A of FIG. 8A. 9C is a cross-sectional view taken along line 9B-9B of FIG. 8B. 9D is a cross-sectional view taken along line 9C-9C of FIG. 8C. FIG. FIG. 2 is a rear perspective view of the lock of FIG. 1 with a partially disassembled lock casing to show the circuit breaker coil. FIG. 6 is an exploded perspective view of an alternative embodiment of a lock casing and bolt retraction hardware. FIG. 12 is an exploded view of the bolt retraction hardware and retraction mounting screw shield of FIG. 11. FIG. 12 is a perspective view of the bolt retraction hardware and retraction mounting screw shield of FIG. 11. FIG. 12 is a front view illustrating the retracting mounting screw shield of FIG. 11 in the bolt retracting hardware lock position. FIG. 14B is a front view similar to FIG. 14A illustrating the initial portion of the bolt retraction sequence. FIG. 14B is a front view similar to FIG. 14A showing the fully retracted position of the bolt and the associated rotation of the retracting mounting screw shield. FIG. 6 is a partially cutaway front view of another alternative embodiment of a lock showing the bolt retraction hardware with the bolt in an extended or retracted position. FIG. 15B is a front view similar to FIG. 15A, showing an initial portion of the bolt retraction sequence. FIG. 15B is a front view similar to FIG. 15A showing the fully retracted position of the bolt and associated bolt retraction hardware. FIG. 7 is a partially cutaway front view of an alternative embodiment of a lock showing bolt retraction hardware with the bolt in an extended or retracted position. FIG. 16B is a front view similar to FIG. 16A, showing an initial portion of the bolt retraction sequence. FIG. 16B is a front view similar to FIG. 16A showing the bolt retraction hardware associated with the fully retracted position of the bolt. FIG. 16B is a partially cut away inverted front view of the lock of FIG. 16A showing bolt retraction hardware with the bolt in an extended or retracted position. FIG. 17B is an inverted front view similar to FIG. 16A showing the initial portion of the bolt retraction sequence. FIG. 17B is an inverted front view similar to FIG. 16A showing the bolt retraction hardware associated with the fully retracted position of the bolt. FIG. 7 is a rear perspective view of another alternative embodiment of a lock, illustrating a visible damage from unauthorized unauthorized interference with a lock case. FIG. 7 is a perspective view of a highly secure lock according to yet another alternative embodiment of the present invention. It is a disassembled perspective view of a lock casing and bolt retraction hardware. It is a disassembled perspective view of a part of lock casing and bolt retraction hardware. FIG. 6 is a partially exploded perspective view of a bolt retraction assembly. FIG. 6 is a partially cut away front view showing bolt retraction hardware with the bolt in an extended or locked position. FIG. 8B is a front view similar to FIG. 8A, showing an initial part of the bolt retraction sequence. FIG. 9 is a front view similar to FIG. 8B illustrating the bolt retraction hardware associated with the fully retracted position of the bolt. FIG. 22B is a cross-sectional view taken along line 23A-23A of FIG. 22A. FIG. 23C is a cross-sectional view taken along line 23B-23B of FIG. 22C. It is an enlarged view which shows a part of FIG. 23A. FIG. 22B is an enlarged cross-sectional view taken generally along line 24B-24b of FIG. 22B. It is an enlarged view which shows a part of FIG. 23B. FIG. 25 is a cross-sectional view taken along line 25A-25A of FIG. 22 showing the thermal relocking device in the activated position. FIG. 25B is a cross-sectional view similar to FIG. 25A showing the thermal relocking device in the unauthorized interference position. FIG. 5 shows a flow chart illustrating operational mode control logic for one embodiment of a lock. FIG. 5 shows a flow chart illustrating operational mode control logic for one embodiment of a lock. FIG. 6 is a flowchart illustrating configuration mode control logic for one embodiment of a lock.

  FIG. 1 illustrates one embodiment of a highly secure lock 10 that is coupled to, for example, a structural door 12. The lock 10 includes a lock casing 14 and a user input device 15. The user input device 15 of this embodiment of the lock 10 is a mechanical lock dial 24 disposed within the dial housing 16. A dust cover 18 may be coupled to the dial housing 16 in a removable manner using a suitable snap-fit connector 20 and has, for example, an opening 22 through which the lock dial 24 passes. Extend. The dial 24 may be rotated to enter a number combination, and the combination number can be viewed through the window 26 in the dial housing 16 by reflection at the mirror 28 as described below.

  FIG. 2 is an exploded view of the user input device 15 and its contents. The dial 24 includes a projecting portion 30 that can be gripped by a user by hand, and a plate portion 32 (see FIG. 3) that includes a number 34 for number combination on its back surface. A brass insert 36 is secured to the dial 24 using a screw fixture 38. The brass insert 36 can provide a weight for the dial 24 and functions as a bearing member for rotation relative to the portion 40 of the dial housing 16. The dial housing 16 includes windows 42 and 44 to allow the numbers on the back of the dial plate portion 40 to be viewed through reflection on the mirror 28. An LED indicator light 46 is provided and may be used in various ways to provide instructions for combination input. A battery 48 such as a standard 9 volt battery may be removably disposed in the dial housing 16 via the battery door 50. The battery 48 provides power for an electric circuit and a servo motor which will be described later. A rotating spindle shaft 52 is provided to transmit the rotation of the dial 24 to the bolt retraction hardware when the correct combination code is input.

  FIG. 3 is a perspective view from the rear side of the lock 10 and shows the lock bolt 54 extending from the lock casing 14. The shaft 52 extends through the back surface 56 of the lock casing 14 and is secured with a nut 58 in a manner that allows the shaft 52 to rotate when the dial 24 is rotated. As further shown in FIG. 3, the back surface of dial plate portion 32 includes combination numbers that are visible to the user when reflected by mirror 28 (FIG. 2).

  FIG. 4 is a longitudinal perspective sectional view of the lock 10 and includes the various components described above. In particular, the spindle shaft 52 is shown to extend completely through the dial housing 16 and the lock casing 14. One or more spindle sleeves 60 receive the spindle shaft 52 along its length. Such a sleeve 60 helps prevent unwanted entry into the lock casing 14 and prevents access to various bolt retraction hardware when the shaft 52 is removed.

  Referring to FIG. 5, the lock casing 14 is shown in exploded form to show the circuit board 62 and various lock bolt retraction hardware, which includes a bolt guide member 64, bolts 54, and the like. , A bolt retraction gear 68, an actuator 70, a pivot block 72, and a cover 74 for fixing to the pivot block 72 and for covering the rotational output element 76 of the actuator 70. The lock casing 14 includes a front casing half 14a and a rear casing half 14b. The circuit board 62 is disposed inside the front casing half 14a. Therefore, when a drill is used to drill a hole in the lock casing 14 from the exterior of the door 12, the drill tip is expected to first contact the circuit board 62 to invalidate the lock 10, making entry more difficult. It becomes. A spindle gear 78 is coupled to rotate with the spindle shaft 52 and the connected dial 24 (FIG. 4). The spindle gear 78 meshes with the first gear portion 80a of the drive gear element 80. The second gear portion 80b on the opposite side of the drive gear element 80 is engaged with the bolt reverse gear 68 when the correct combination code is input as shown in FIGS. It extends through an opening 82 in the rear casing half 14b so that they can be combined. An encoder 84 is used to detect the input of the combination code through the rotation of the shaft 52 and is used in conjunction with a suitable controller control circuit on the circuit board 62.

  With reference to FIGS. 6 and 7, the bolt retraction sequence will be described in connection with FIGS. 8A to 8C and FIGS. 9A to 9C. When the correct combination code is entered as recognized by the encoder and control circuit, the actuator 70 is actuated to rotate its output element 76. The output element 76 includes a pin 76a that rotates through a slot 86 in the pivot block 72 (FIG. 5) and further moves through a slot 68c in the bolt retraction gear 68. Normally, this pin 76a prevents the rotation of the bolt reverse gear 68, for example, as shown in FIG. 8A. However, when the output element 76 of the actuator 70 rotates as shown in FIGS. 8A-8C to move the pin 76a downward, the bolt retraction gear 68 is the second of the drive gear element 80. It can be moved or rotated clockwise as illustrated in FIGS. 8A-8C so that it can engage portion 80b. Although not shown, the bolt reverse gear 68 is, for example, a torsion spring having a small spring force so that the bolt reverse gear 68 is urged clockwise toward the position shown in FIG. 8B when the actuator 70 is operated. A slight spring load may be applied. When gear 68 and gear 80b are engaged as shown in FIG. 8B, dial 24 rotates drive gear element 80 via engagement of first drive gear portion 80b with spindle gear 78. So that it is rotated by hand. As shown in FIGS. 8A-8C, the spindle gear 78 is connected to the shaft 52 by a key 88. When the bolt reverse gear 68 is engaged with the drive gear portion 80b as shown in FIG. 8B, the bolt reverse gear 68 rotates about its pivot shaft 68a and is fixed to the bolt reverse gear 68. Rises from a position accommodated in the concave portion 64a of the bolt guide member 64 and the curved slot of the bolt guide member 64 (FIG. 5) or the end portion 90a of the pin guide 90. The pin 68b further extends through the slot 54a in the bolt 54, and as the bolt retraction gear 68 rotates, the pin 68b rises upward in the slot 54a as shown in FIGS. 8b and 8C, and at the same time The bolt 54 is moved into the lock casing 14 via the bolt guide member 64. As the dial 24, shaft 52 and gears 78, 80, 68 rotate in opposite directions, the bolt 54 extends back to its fully extended position, and the bolt retraction gear 68 is illustrated in FIG. 8A by a pin 76a. Return to the initial position. In this regard, the output element 76 is spring loaded with the spring 92 so that when the actuator 70 is deactivated, the spring 92 returns the pin 76a to the initial position shown in FIG. 9A. The spring force of the output element 76 is sufficiently strong to push the bolt reverse gear 68 toward the initial position shown in FIG. 8A.

  By using the dial plate portion 32 and the mirror 28, the battery 48 can be placed in the dial housing 16 in a space efficient manner. The lock casing portions 14a and 14b are mechanically fixed to each other. When the lock casing portions 14a and 14b are pry open, mechanical elements (not shown) that fix the lock casing 14 to each other are damaged. Of course, the bolt 94 extending through the lock casing 14 functions not to lock the lock casing portions 14a, 14b together, but simply to fix the lock casing 14 to the door 12, for example. Another method of unauthorized entry into the lock involves using an external hammer to apply force to the spindle shaft 52 via the lock 10. It should be noted that with existing locks, this does not move the casing 14 and therefore does not require a “re-lock” feature that is used with other secure locks. The actuator 70 is a servo motor 70 in the illustrated embodiment. For example, there is an advantage in using a servo motor 70 such as a micro servo opposite to the step motor. For example, the servo motor 70 includes a relatively complex gear train with several revolutions to rotate the output element 76 with only partial rotation as described above. As a result, the servo motor 70 is difficult to operate in several illicit ways. The pin 68b used for the bolt retraction gear 68 is retained in the recess at the home position where the lock bolt 54 extends as shown in FIG. 8A. Therefore, if an unauthorized attempt is made to gain unauthorized access to the lock 10 and the lock bolt 54 is forced inward, the force does not act on the gear train, but rather a bolt designed and constructed to withstand a large force. It acts on the guide member 64.

  Referring to FIG. 10, the lock 10 further includes a circuit breaker device 96. The circuit breaker device 96 of the illustrated embodiment consists of a continuous conductive wire having a first end 96a and a second end 96b. Each end 96a, 96b is electrically connected to the circuit board 62. The circuit breaker device 96 is integrally connected to the main control circuit of the lock 10 and the lock 10 becomes inoperable when the circuit breaker device 96 is broken. As illustrated in FIG. 10, the circuit breaker device 96 is disposed proximate to the spindle sleeve 60 that holds the spindle shaft 52 when the shaft 52 enters the lock casing 14. An unauthorized person attempting to deactivate the lock 10 will attempt to remove the user input device 15 and subsequently pierce the spindle sleeve 60 in the front opening of the lock casing 14. However, attempts at unauthorized entry into the lock casing 14 via the spindle sleeve 60 damage the circuit breaker device 96, thereby hindering this method of attacking the lock 10. The circuit breaker device 96 is illustrated in FIG. 10 as a coil that covers the spindle sleeve 60. One skilled in the art will recognize that the circuit breaker device 96 may comprise multiple wires.

  With reference to FIGS. 11-14C, another embodiment of the lock 110 is illustrated. As most clearly illustrated in the exploded view of the lock casing 14 and the inner lock hardware of FIG. Contains many of the same elements. In this application, the same reference numerals are given to the same elements in the various disclosed embodiments. This embodiment of the lock 110 follows the same bolt retraction sequence illustrated in FIGS. 6-9C above, but the lock 110 includes different lock bolts 112 and retraction bolt shields 114. The lock bolt 112 includes a slot 112 a configured to receive the pin 68 b of the bolt retraction gear 68. The lock bolt 112 further includes a pair of opposing recesses 112b used for the receding bolt shield 114 and a bolt extension 112c as described in detail below. The bolt extension 112c is coupled to the lock bolt 112 using a screw fixture 116 that is coplanar with the outer surface of the bolt extension 112c when the bolt extension 112c is placed on the lock bolt 112. . In the embodiment of FIG. 11, the bolt extension 112c has a thickness of about 1 / 10th of an inch (0.100) to 3 / 16th (0.1875). A variety of government contractors manufacture locks for the United States, and one of the major lock manufacturers has designed a lock bolt that, when retracted, is in the same plane as the lock casing, while another Major lockmakers design lock bolts that extend approximately 3 / 16ths of an inch (0.1875) when retracting the lock casing. A bolt extension 112c can be added to the lock bolt 112 if required for the selected door 12. Thus, the lock bolt 112 can be configured for use with any type of door.

  As shown in the above-described embodiment, the mounting bolt 94 of the lock casing 14 is accessible from the back surface 56 of the lock casing 14. An unauthorized person may gain unauthorized access to the lock 110 by accessing the back face 56 by removing the mounting screw 94 and replacing the lock casing 14 with a lock body of a different mechanism. To address these issues, the lock 110 in this embodiment includes a receding bolt shield 114. As shown in FIGS. 11 and 12, the lock 110 includes a modified bolt guide member 118. The bolt guide member 118 continues to include a recess 118 a and a curved slot 120 to engage the pin 68 b of the bolt retraction gear 68. The bolt guide member 118 further has a pair of openings 118 b oriented in the longitudinal direction formed on both side surfaces of the bolt guide member 118. These longitudinally oriented openings 118b communicate with laterally oriented slots 118c. The slot 118c extends from the edge of the bolt guide member 118 to a longitudinal receptacle 122 that holds the mounting bolt 94. The receding bolt shield 114 allows the block member 124 with a non-circular opening 124a, a first member 126 with a non-circular opening 126a, and the block member 124 to be operable on the first member 126 in the non-circular openings 124a and 126a. A non-circular drive rod 128 coupled thereto. While the drive rod 128 is positioned in one of the longitudinally oriented openings 118b of the bolt guide member 118, the block member 124 of the side slot 118c is most clearly illustrated in FIG. Located at least partially in one of them. The drive rod 128 and associated openings 124a, 126a are hexagonal in the illustrated embodiment, but alternative non-circular shapes may be selected for these elements as will be apparent to those skilled in the art. The first member 126 has a first end 126b configured to engage the lock bolt 112, more specifically, one of the recesses 112b in the lock bolt.

  The operation of the receding bolt shield 114 is illustrated in the series of drawings in FIGS. 14A-14C. In FIG. 14A, the bolt reverse gear 68 is just engaged with the gear trains 78, 80 to initiate the reverse process of the lock bolt 112. When the lock bolt 112 is in the extended position, the block member 124 completely hides the mounting bolt 94 on the bolt side of the lock 110. In FIG. 14B, the bolt retraction gear 68 is moved to partially retract the lock bolt 112. In this actuated state, the first end 126b of the first member is moved into the locking bolt recess 112b but is not rotated, so the block member 124 continues to hide the mounting bolt 94. As the bolt retraction gear 68 continues to retract the lock bolt 112, the recess 112b forces the first member 126 to rotate to the position illustrated in FIG. 14C. When the lock bolt 112 is fully retracted to such a position, the drive rod 128 transmits the motion of the first member 126 to the block member 124 to expose the mounting bolt 94. When the spindle gear 78 drives the bolt retraction gear 68 and the lock bolt 112 to return to the extended position or the lock position, the first member 126 engages with the lock bolt 112b again and rotates back to the position in FIG. 14A. To do. As such, the retraction bolt shield 114 prevents an unauthorized person from attempting to gain unauthorized access to the lock 110 by removing the mounting bolt 94.

  In a similar embodiment not shown, the receding bolt shield 114 can include a second pair of block members coupled to rotate with the bolt side block member 124 via a simple linkage. In such an embodiment, the bolt-side block member 124 conceals the mounting bolt 94 on one side of the lock 110 when the lock bolt 112 is extended, and a second pair of blocks when the lock bolt is retracted. A member may conceal the mounting bolt 94 on the opposite side of the lock 110. An unauthorized person must therefore use a combination to enable the lock 110 to access all four mounting bolts.

  With reference to FIGS. 15A-15C, additional embodiments of the lock 210 are illustrated. The lock 210 operates in a bolt retraction sequence that is substantially similar to the above described bolt retraction sequence shown in FIGS. 8A-9C with some differences. The lock 210 includes a spindle gear 212, a drive gear 214 having a first drive gear portion 214a and a second drive gear portion 214b configured to engage the spindle gear 212, and a second drive gear portion 214b. And a bolt retraction gear 216 configured to engage with. Similar to the embodiment described above, the bolt retraction gear 216 includes a pivot shaft 216a and a pin 216b that are supported and operated in corresponding slots 54a, 90 of the lock bolt 54 and bolt guide member 64. Similar to the embodiment described above, when the lock bolt 54 is fully extended as illustrated in FIG. 15A, the bolt retraction gear 216 remains engaged with the second drive gear portion 214b. A two-tooth relief 218 is provided on the spindle gear 212, and a corresponding two-tooth relief 220 is provided on the first drive gear portion 214a. The relief 220 in the first drive gear portion 214a is oriented as shown in FIG. 15A so that the spindle gear 212 and the drive gear 214 are engaged while the spindle gear 212 is rotated during the input of the combination. To prevent. Therefore, audible information due to gear interference is not provided to a person who is not authorized to rotate the dial 24.

  When the correct combination is input, the actuator 70 does not immediately rotate the output pin 76 a from the path of the bolt reverse gear 216. Instead, the controller waits until the spindle gear 212 is rotated to the position illustrated in FIG. 15B. At this time, the relief 218 in the spindle gear 212 is positioned to face the drive gear 214. In this position, the controller signals the actuator 70 to rotate the output element 76 and pin 76a from the bolt path as previously illustrated in FIGS. 9A-9C. The bolt reverse gear 216 subsequently rotates slightly downward as illustrated in FIG. 15b, thereby rotating the drive gear 214 and toward the position for meshing with the spindle gear 212, the first drive gear portion 214a. Move the teeth. As the spindle gear 212 continues to rotate with the dial 24, the first drive gear portion 214a is driven to the position illustrated in FIG. 15C, which is further behind the bolt reverse gear 216 via the second drive gear portion 214b. It leads to rotation. In addition, pin 216b forces lock bolt 54 to retract to the position illustrated in FIG. 15C, thereby completing the bolt retract sequence of lock 210.

  Additional embodiments of the lock 310 are illustrated in FIGS. 16A-17C. The lock 310 is similar to the lock 210 of the embodiment described above and has a spindle gear 312 and a drive having a first drive gear portion 314 a and a second gear portion 314 b configured to engage the spindle gear 312. Including a gear 314 and a bolt retraction gear 316 configured to engage the second drive gear portion 314b. The spindle gear 312 and the first drive gear portion 314a are further provided with corresponding two-tooth reliefs 318, 320 in the same manner as described above with respect to the lock 210. In the embodiment of lock 310, actuator 70 and associated output element 76 have been removed. The second drive gear portion 314b prevents engagement of the bolt reverse gear 316 and the second drive gear portion 314a when the lock bolt 54 is fully extended as illustrated in FIGS. 16A and 17A. A two-tooth relief 322 configured to: The bolt reverse gear 316 is initially positioned at the same position as in the above embodiment with the gear teeth facing the second drive gear portion 314b for engagement.

  When the lock bolt 54 is fully extended, the orientation of the reliefs 320, 322 in the drive gear portions 314a, 314b on both sides is such that the drive gear 314 is disengaged from both the spindle gear 312 and the bolt reverse gear 316. Is set as follows. The drive gear 314 in this embodiment is mounted on the input shaft 324 and the actuator 326 is operably coupled to the drive gear 314 at the opposite end of the shaft 324. The actuator 326 is disposed close to the circuit board 62 and is configured to rotate the shaft 324 and the drive gear 314. The actuator 326 is a low output driving device such as a geared servo motor, a non-geared servo motor, or an air-core rotary solenoid. When the appropriate combination is input to the lock 310, the circuit board 62 has the dial 24 positioned so that the relief 318 in the spindle gear 312 faces the first drive gear portion 314a as shown in FIGS. 16B and 17B. Wait until it is rotated. The circuit board 62 then sends a signal to the actuator 326 to cause the shaft 324 and drive gear 314 to engage both the spindle gear 312 and the bolt reverse gear 316 simultaneously as shown in FIGS. 16B and 17B. Rotate. As the user continues to rotate the dial 24, the spindle gear 312 drives the drive gear 314 and bolt reverse gear 316 to the positions illustrated in FIGS. 16C and 17C. Here, the lock bolt 54 is completely retracted. This embodiment of the lock 310 further eliminates all audible noise due to gear engagement and interference during the combination input, and the actuator 326 is as low as 10% of the operating energy in the servo motor 70 of the above embodiment. Only requires operating energy. Thus, this embodiment of the lock 310 further prevents unauthorized input through the door.

  Referring to FIG. 18, an alternative embodiment of the lock 410 is illustrated. The lock 410 includes a lock casing 414 that is formed from a substantially translucent material so that the internal components of the lock 410 are visible from the outside of the lock casing 414. If unauthorized input is made to lock 414 or an attempt is made to break lock 410, translucent lock casing 414 clearly shows evidence of the attempted intrusion as illustrated in FIG. A drill hole 412 through the casing 414 can be seen near the lock bolt 54. Unlike an opaque lock casing, the drill hole 412 in the translucent lock casing 414 is repaired with a material that hides an attempted intrusion without being detected by a person inspecting the back 56 of the lock casing 414 or It cannot be closed. In addition, inspection of the lock 410 through the translucent lock casing 414 reveals any unauthorized interference or problems with the components of the lock 410. As will be apparent to those skilled in the art, the translucent casing 414 of this embodiment can be used with the above-described embodiments to further prevent unauthorized interference with the lock.

  In FIG. 19A and FIG. 19B, a further alternative to the lock 510 shows the lock casing 512 in exploded form to illustrate the circuit board 514 and various lock bolt retraction hardware. The lock bolt retraction hardware includes a bolt guide member 516, a lock bolt 518, a bolt retraction gear 520, an actuator assembly 522, and a biasing device 524. The lock casing 512 includes a front casing half 512a and a rear casing half 512b. The front and rear casing halves 512a, 512b are mechanically secured to each other as described above using mechanical elements (not shown). In addition, the front and rear casing halves 512a, 512b are further permanently sealed together with an adhesive during manufacture of the lock 510. As such, attempts to separate the front and rear casing halves 512a, 512b at least partially break the lock casing 512, indicating unauthorized unauthorized entry into the lock 510.

  The circuit board 514 is disposed on the front inner surface of the front casing half 512a. Therefore, when a drill is used to make a hole in the lock casing 512, it is expected that the tip of the drill will first contact the circuit board 514, making the lock 510 inoperable, making entry more difficult. The spindle gear 78 is coupled to rotate together with the spindle shaft 52 and the connected lock dial 24. Accordingly, like reference numerals associated with lock 510 indicate like features described above. The spindle gear 78 meshes with the first gear portion 80a of the drive gear element 80. The opposite or second gear portion 80b of the drive gear element 80 allows the second gear portion 80b to engage the bolt reverse gear 520 as shown in FIGS. 20 and 21 upon entry of the correct combination code. , Extending through an opening 82 in the rear casing half 512b.

  The lock 510 further includes a sensor 526 configured to sense the rotation of the lock dial 24. More specifically, sensor 526 includes an encoder 528 and a rotary sensor 530. The encoder 528 is directly attached to a drive gear element 80 that is manually mechanically driven by the lock dial 24. The rotary sensor 530 is electrically connected to a suitable control circuit on the circuit board 514. The rotary sensor 530 is positioned adjacent to an encoder 528 that is a magnet. The rotary sensor 530 detects the rotation of the drive gear element 80 because the rotary sensor 530 is positioned sufficiently close to the encoder 528 to detect the magnetic field of the magnet. In contrast, the position of the drive gear element 80 may be directly or indirectly related to the position of the lock dial 24. The exemplary embodiment of the circuit board 514 activates a predetermined algorithm based on the rotation of the drive gear element 80 to convert the rotation of the lock dial 24 into user input information. The display 532 further visualizes user input information converted from the rotation of the lock dial 24 via the algorithm. Display 532 is an LED display that is placed in a recess in lock 510 to limit the viewing angle of the visualized user input information. Display 532 further includes a filtering device 534 that covers at least a portion of display 532 to further hinder viewing of user input information from multiple viewing angles.

  According to an exemplary embodiment, the algorithm converts the rotation rate of the lock dial 24 into user input information that is visualized on the display 532. Thus, the user input information is distinguished or random from the rotational position of the lock dial 24 to further prevent unauthorized access to the lock 510. Of course, while the exemplary embodiment of the algorithm converts the rotation rate of the lock dial 24 into user input information, other characteristics of the operation of the lock dial 24 may be used alone or in combination for use in the algorithm. May be used. For example, such characteristics may include, but are not necessarily limited to, the position, direction, speed, acceleration and / or rotation time of the lock dial 24.

  The bolt retraction sequence will be described with reference to FIGS. 20 and 21 related to FIGS. 22A to 22C and FIGS. 23A to 24C. When the correct combination code, which is visualized on the display 532 as verified by the control circuit, is entered, the actuator assembly 522 is activated and movement of the bolt reverse gear 520 biased toward the drive gear element 80 is achieved. It becomes possible. Actuator assembly 522 includes a guide element 536. Guide element 536 is operable between a capture position and a capture release position. In the capture position, the guide element 536 prevents movement of the bolt reverse gear 520, and in the capture release position, the guide element 536 allows movement of the bolt reverse gear 520. In addition, the rear casing half 512b also includes a guide recess 537 configured to receive the guide element 536 during movement to the capture release position.

  The bolt retraction gear 520 is slightly spring loaded using a biasing device 524 so that when the actuator assembly 522 is actuated, the bolt retraction gear 520 is biased clockwise toward the position illustrated in FIG. 22B. It has been. When the gears 520, 80b are engaged as shown in FIG. 22B, the lock dial 24 causes the drive gear element 80 to rotate via the engagement of the first drive gear portion 80a with the spindle gear 78. It may be rotated manually (see FIG. 19).

  The actuator assembly 522 may further include an actuator 538 that is operatively connected to the rotating cam 540 to move the guide element 536 as illustrated in FIGS. Cam 540 includes a protrusion 542. The protrusion 542 is adjacent to the guide element 536 in the first position. When the cam 540 is rotated to the second position, the protrusion 542 engages with the guide element 536 to move the guide element 536 from the capture position to the capture release position. Normally, the guide element 536 prevents rotation of the bolt retraction gear 520, for example as illustrated in FIG. 22A. However, as shown in FIGS. 23A-23B, when the protrusion 542 of the cam 540 rotates to move the guide element 536 slightly downward toward the rear casing half 512b, the bolt retraction gear 520 becomes a drive gear element. The bolt retraction gear 520 illustrated in FIGS. 22A to 22C can be moved or rotated in the clockwise direction so that the second portion 80b of the 80 can be engaged.

  Actuator assembly 522 further includes a clutch mechanism 544 for operatively and rotatably elastically coupling cam 540 to actuator 538 as illustrated in FIGS. The clutch mechanism 544 includes a hub 546 having a proximal wall 548 coupled to the actuator 538. According to an exemplary embodiment, actuator 538 is an electric motor. The clutch mechanism 544 further includes a pivot stopper 550 and a clutch torsion spring 552 to transmit the rotation of the hub 546 to the cam 540. Specifically, cam 540 is positioned on hub 546 to contact proximal wall 548. Similarly, clutch torsion spring 552 is positioned on hub 546 and engages cam arm 554 of cam 540. In this regard, the cam 540 and the clutch torsion spring 552 may freely rotate with respect to each other on the hub 546 unless the clutch torsion spring 552 further engages the pivot arm 558 of the pivot stopper 550. The pivot stopper 550 is securely attached to the distal end 556 of the hub 546 such that the pivot arm 558 engages the clutch torsion spring 552 when the hub 546 is rotationally driven by the actuator 538. Subsequently, the clutch torsion spring 552 is rotatably engaged with the cam arm 554 in order to rotate the cam 540 elastically.

  Further, the guide element 536 is elastically attached to the rear casing half 512b in a capture position proximate to the cam 540 and proximate to the platform 560. The guide element 536 includes a side portion 562 that extends toward a lateral portion 564 that forms a substantially right angle along the guide element 536. More particularly, the guide element 536 is a wire guide that is bent at substantially right angles to form a lateral portion 562 and a lateral portion 564.

  The side portion 562 is basically elastic to move with the lateral portion 564 between the capture position and the capture release position. The side portion 562 is basically placed between the catch member 566 and the guide stopper 568 of the platform 560. 20 and 23A with respect to the capture position, the side adjacent to the catch member 566 such that the lateral portion 564 extends and contacts the bolt reverse gear 520 to prevent movement of the bolt reverse gear 520. A side portion 562 is shown. On the other hand, FIG. 23 shows the guide element 536 in the capture release position. The protrusion 542 of the cam 540 moves the side portion 562 toward the rear casing half 512b and away from the bolt retraction gear 520 until the side portion 562 contacts the guide stopper 568. In particular, the cam 540 and the guide element 536 may press the guide stopper 568 while the pivot stopper 550 may continue to rotate and bend the clutch torsion spring 552. According to an exemplary embodiment, actuator 538 is configured to operatively rotate hub 546 and pivot stopper 550 over a predetermined period of time. More specifically, the actuator 538 rotates the hub 546 and the pivot stopper 550 for a period of time that is greater than or equal to the time required to move the guide element 536 against the guide element 568. Therefore, the pivot stopper 550 continues to rotate the clutch torsion spring 552 relative to the fixed cam 540, and the clutch torsion spring 552 is wound more tightly between them.

  As illustrated in FIGS. 19A-21 and briefly described, the bolt retraction gear 520 is biased toward the drive gear element 80 by a biasing device 524. The biasing device 524 basically includes a hollow drum body 572 that is rotatably attached to the rear casing half 512b and a kicker torsion spring 574 positioned about the drum body 572. In addition, the front portion 576 of the drum body 572 includes a gear advance lever 578, a stop lever 580 and a kicker arm 582. The kicker torsion spring 574 is wound around the stop lever 580 and the rear casing half 512b in order to urge the drum body 572 to rotate. The gear advance lever 578 extends to the notch portion 584 of the bolt reverse gear 520 and engages the notch portion 584. Therefore, when the bolt reverse gear 520 is in the disengagement position, the bolt reverse gear 520 presses the gear advance lever 578 and winds the torsion spring 574 more tightly as shown in FIG. 22A. On the other hand, FIG. 22B shows the guide element 536 moving toward the capture release position and the gear advance lever 578 directing the bolt reverse gear 520 toward the engagement position with the drive gear element 80. Eventually, the stop lever 580 has a rear casing half 512b for stopping rotation of the drum body 572 in a position for re-engaging with the bolt reverse gear 520 during movement from the engagement position to the disengagement position. Engage with.

  When the bolt reverse gear 520 is engaged with the drive gear portion 80b as shown in FIG. 22B, the bolt reverse gear 520 rotates about its pivot axis 68a and the pin 68b fixed to the bolt reverse gear 520 is The bolt guide member 516 ascends from a position where it is disposed at the concave portion 64a of the bolt guide member 516 and the end 90a of the curved slot of the bolt guide member 516 or the pin guide 90 (FIG. 19). Pin 68b also extends further through slot 586 in locking bolt 518 so that when bolt retraction gear 520 rotates, pin 68b moves up in slot 586 as shown in FIGS. 22B and 22C. At the same time, the lock bolt 518 is moved into the lock casing 512 via the bolt guide member 516. By rotating the dial 24, shaft 52 and gears 78, 80, 520 in opposite directions, the lock bolt 518 is extended back to its fully extended position and the bolt retraction gear 520 is transverse to the guide element 536. Portion 564 returns to the initial position illustrated in FIG. 22A.

  24A to 24C each show the bolt reverse gear 520 that moves from the disengagement position to the engagement position as described above. In this regard, the pivot arm 558 allows the cam arm 554 to rotate the clutch torsion spring 552 and subsequently to rotate the protrusion 542 of the cam 540 toward the guide element 536. The bolt retraction member 520 further includes an inclined edge 588 that cooperates with the curved end 590 of the lateral portion 564. While the curved end 590 moves from the capture position to the capture release position, the lateral portion 564 can be moved by biasing the bolt retraction gear 520 so that the inclined edge 588 effectively falls off the curved end 590. To. Note that the curved end 590 moves toward the inclined edge 588 in order to return the guide element 536 from the capture release position to the capture position. When the inclined edge 588 is reached, the curved end 590 engages the inclined edge 588 and directs the bolt retraction gear 520 to the disengagement position. Therefore, the guide element 536 overcomes the urging force of the urging device 524 applied to the bolt reverse gear 520 and returns the bolt reverse gear 520 to the initial position shown in FIG. 22A.

  The lock bolt 518 includes a recess 592 that cooperates with the detent ball 594 to positively align the lock bolt 518 to the extended position as illustrated in FIGS. 20 and 25A-25B. Specifically, the ball spring 596 elastically supports the detent ball 594 with respect to the lock bolt 518 in the bolt guide member 516. The recess 592 is positioned on the lock bolt 518 so that the detent ball 594 biased when the lock bolt 518 is in the extended position slightly engages the recess 592. Finally, the slot 586 in the lock bolt 518 has a wide portion 598 so that the detent ball 594 is effectively aligned with the center of the recess 592 to facilitate final advancement toward the extended position of the lock bolt 518. Have In this regard, ball spring 596, detent ball 594 and indentation 592 are each selected to have a predetermined holding stress for lock bolt 518 in the extended position.

  FIGS. 25A-25B illustrate a thermal relock device 600 positioned within the cavity 602 of the bolt guide member 516 to prevent the lock bolt 518 from moving to the retracted position. The thermal relocking device 600 includes a thermal disk 604, a relocking pin 606, and a pin spring 608. Basically, the pin spring 608 biases the relock pin 606 against the thermal disk 604 in the cavity 602 adjacent to the lock bolt 518. Thermal disk 604 covers opening 610 to prevent pin spring 608 from applying force to relock pin 606 at least partially through opening 610. Under normal operating conditions, the thermal disk 604 is sufficiently strong to hold the relock pin 606 in the operating position. Note that due to the influence of time and threshold temperature, the thermal disk 604 is such that the pin spring 608 exerts a force on the relock pin 606 through the opening 610 so as to engage the lock bolt 518 in the lock channel 612 to the unauthorized interference position. May be weakened. For example, FIG. 25B shows a lock 510 that is illegally interfered by bringing a welding torch closer to the lock casing 512. When the torch takes enough time to raise the temperature of the thermal disk 604 to the threshold temperature, the relock pin 606 engages the lock bolt 518 in the extended position. Therefore, the lock bolt 518 is held at the extended position so as to prevent the lock 510 from being released.

For each of the embodiments of locks 10, 110, 210, 310, 410, 510 having a lock dial 24 for user input device 15 as described above, circuit board 62 and encoder 84 are illustrated in FIGS. 26A-27. The lock 10 is programmed to be controlled by a specific set of operating instructions to be performed. 26A and 26B, when the counterclockwise rotation of the lock dial 24 is detected, the lock power supply is activated and the number of illegal combination inputs attempted since the lock was last unlocked. Together with the value P indicating, the authentication information or appropriate combination values X, Y, Z are acquired from the memory. The LED 46 flashes red P times so that if another person is attempting to break through the unsuccessful door 12, it can be recognized by an authorized user of the lock. After blinking to indicate a penalty, LED 46 blinks red and green for one dial rotation and then continues to glow green. If counterclockwise rotation is detected by the controller that is rotated clockwise by stop is initiated, the controller continues to store the input dialed value when stopped as X _1, and Y ₁ value and Z ₁ Repeat this process to obtain a value. Subsequently, the controller checks whether or not the input dial values X ₁ , Y ₁ , and Z ₁ match the appropriate combination values X, Y, and Z. If these values do not match, the LED 46 will flash red for 10 seconds and increase the P value by 1 before the lock 10 is powered down. If these values match, the servo motor 70 or actuator 326 is engaged to allow the bolt 54 to retract, and the P value is set to zero. As long as the lock bolt 54 remains in the open or retracted position, the LED 46 flashes red once every 10 seconds to indicate that the lock 10 is in the open position. When the lock bolt 54 is moved back to the extended position, the lock power is turned off.

Referring to FIG. 27, when the change key is inserted into the lock 10, the configuration mode is activated. The lock power supply is activated, and appropriate combination values X, Y, and Z are obtained from the memory. When counterclockwise rotation of the dial is detected, the lock obtains user input values X ₁ , Y ₁ , Z ₁ according to the procedure described in FIGS. 26A and 26B. After a 5 second pause, the user input process is repeated to store the values X ₂ , Y ₂ , Z ₂ . The controller then sets the appropriate combination value X, Y, Z equal to the average of the two series of user input values. As a result, the configuration mode confirms that the desired new combination has been set correctly.

  As will be appreciated by those skilled in the art, various embodiments of the locks 10, 110, 210, 310, 410, 510 can be operated using an alternative user input device 15 instead of the mechanical lock dial 24. For example, an electronic keypad can be placed outside the door 12 for electronic input of combination values. Alternatively, the user input device 15 can include a fingerprint authentication device or a retinal scan verification device. The internal components of the lock 10 disposed within the lock casing 14 operate as described above regardless of the selected user input device 15.

  While the invention has been illustrated in the description of various embodiments and described in great detail, the claims hereof are not intended to be limited or limited to such details. Additional advantages and modifications will be readily apparent to those skilled in the art. For example, the configuration mode detailed in FIG. 27 may be modified to require three series of user input values that are averaged to establish a new combination. Thus, the present invention is not limited to the specific details described and illustrated in its broad aspects. The various features disclosed herein may be used in combination as needed or according to a particular application. Therefore, unless it deviates from the meaning and range of description of the claim of this application, you may expand | deploy from the detail as described in this specification.

DESCRIPTION OF SYMBOLS 10 Lock 12 Door 14 Lock casing 15 User input device 16 Dial housing 18 Dust cover 20 Snap fitting connector 22 Opening 24 Lock dial 26 Window 28 Mirror 30 Protruding part 32 Dial plate part 34 Number for combination 36 Insert 38 Fixture 40 Dial plate part 46 LED
48 Battery 50 Battery door 52 Spindle shaft 54 Lock bolt 56 Back 58 Nut 60 Spindle sleeve 62 Circuit board 64 Bolt guide member 68 Bolt retraction gear 70 Servo motor 72 Pivot block 74 Cover 76 Rotation output element 78 Manual gear 80 Drive gear element 80a First 1 gear portion 80b second gear portion 82 opening 84 encoder 86 slot 88 key 94 mounting bolt 96 circuit breaker device 110 lock 112 bolt extension 114 retraction bolt shield 116 fixture 118 bolt guide member 124 bolt side block member 128 drive rod 210 Lock 212 Spindle gear 214 Drive gear 214a Second drive gear portion 214b First drive gear portion 216 Bolt reverse gear 2 8,220 Two-tooth relief 310 Lock 312 Spindle gear 314 Drive gear 314a First gear portion 314b Second gear portion 316 Bolt reverse gear 318,320 Two-tooth relief 324 Input shaft 326 Actuator 410 Lock 412 Drill hole 414 Lock casing 510 Lock 512 Lock casing 514 Circuit board 516 Bolt guide member 518 Lock bolt 520 Bolt reverse gear 522 Actuator assembly 524 Energizing device 526 Sensor 528 Encoder 530 Rotary sensor 532 Display 534 Filtering device 536 Guide element 537 Guide recess 538 Actuator 540 Protruding cam 542 544 Clutch mechanism 546 Hub 548 Proximal wall 550 Bot stopper 554 Cam arm 556 Distal end 558 Pivot arm 560 Platform 562 Side part 564 Lateral part 566 Catch member 568 Guide stopper 572 Drum body 578 Gear advance lever 580 Stop lever 582 Kicker arm 584 Notch part 586 Slot 588 Inclined edge 590 Curved end 594 Detent ball 596 Ball spring 598 Wide part 600 Thermal relock device 602 Cavity 604 Thermal disk 606 Relock pin 608 Pin spring 610 Opening 612 Lock channel

Claims (34)

A locking mechanism;
A lock bolt movable between an extended position and a retracted position;
A bolt reverse gear operably connected to the lock bolt and movable between an engagement position and a disengagement position, wherein the bolt reverse gear is biased toward the engagement position;
A manual gear configured to engage the bolt reverse gear at the engagement position and drive the lock bolt between the extended position and the reverse position;
A user input device configured to receive user input information;
A controller configured to store authentication information and verify user input information;
An actuator assembly having a guide element, the guide element being movable to operate between a capture position and a capture release position, wherein the guide element prevents movement of the bolt reverse gear in the capture position; An actuator assembly, wherein the guide element enables movement of the bolt reverse gear in the decapture position;
With
The guide element prevents the movement of the bolt reverse gear toward the engagement position until the controller confirms that the user input information matches the stored authentication information. mechanism.   The guide element engages with the bolt reverse gear during movement from the capture release position to the capture position to direct the bolt reverse gear toward the disengagement position. Item 2. The locking mechanism according to Item 1. The actuator assembly further comprises a cam operable between a first position and a second position, the cam being adjacent to the guide element in the first position and the second position. In position engaged with the guide element,
The locking mechanism according to claim 1, wherein the cam engages with the guide element to move the guide element between the capture position and the capture release position.   The actuator assembly of claim 3, further comprising an actuator operatively engaged with the cam to rotate the cam between the first position and the second position. Locking mechanism.   The lock mechanism according to claim 4, wherein the actuator is engaged with the cam via a clutch mechanism.   The locking mechanism according to claim 1, wherein the guide element is a wire guide that is elastically attached to the bolt reverse gear. A biasing device having a gear advance lever;
The lock mechanism according to claim 1, wherein the gear advance lever is engaged with the bolt reverse gear and biases the bolt reverse gear toward the engagement position. The biasing device further includes a drum body that is rotatably biased;
The lock mechanism according to claim 7, wherein the gear advance lever protrudes from the drum body toward the bolt reverse gear. The locking bolt includes a recess;
The locking mechanism further includes a detent ball elastically attached in proximity to the lock bolt;
The lock mechanism according to claim 1, wherein the detent ball is configured to promote advancement of the lock bolt toward the extended position by engaging with the recess. A display for visualizing the user input information, and a filtering device covering at least a part of the display;
The locking mechanism according to claim 1, wherein the filtering device is configured to prevent the display from being viewed from a plurality of viewing angles. It further includes a thermal relocking device that includes a relocking pin:
The relock pin is operable under the influence of time and temperature to engage the lock bolt in the extended position so that the relock pin prevents movement of the lock bolt to the retracted position The locking mechanism according to claim 1, wherein: A lock casing surrounding the actuator assembly, the controller, the manual gear, and the bolt retraction gear;
The lock casing has a first portion and a second portion, and the first portion and the second portion are separated from each other by at least the lock casing. The locking mechanism according to claim 1, wherein the locking mechanism is permanently sealed to each other so as to break part. A rotatable lock dial configured to receive user information;
A display for visualizing user input information;
A sensor configured to detect rotation of the lock dial;
Further comprising
The lock mechanism according to claim 1, wherein the controller converts rotation of the lock dial into the user input information visualized on the display through a predetermined algorithm. A lock casing surrounding the actuator assembly, the controller, the manual gear, and the bolt retraction gear;
The locking mechanism according to claim 1, wherein the lock casing is at least partially formed from a substantially translucent material so that evidence of unauthorized interference with the lock is visible. A locking mechanism;
A lock bolt movable between an extended position and a retracted position;
A bolt reverse gear operably coupled to the lock bolt and movable between an engagement position and a disengagement position;
A manual gear configured to engage the bolt reverse gear at the engagement position and drive the lock bolt between the extended position and the reverse position;
A rotatable lock dial configured to receive user input information;
A display for visualizing user input information;
A sensor configured to detect rotation of the lock dial;
A controller configured to store authentication information and collate user input information, wherein the controller includes a rotation of the lock dial that is visualized on the display via a predetermined algorithm. A controller operatively connected to the sensor and the display for conversion;
When the controller confirms that the user input information matches the stored authentication information, the bolt reverse gear moves from the disengagement position to the engagement position by the manual gear. Features a locking mechanism.   16. The locking mechanism according to claim 15, wherein the rotatable lock dial is mechanically connected to the manual gear.   The sensor is a rotary sensor, and the lock mechanism further includes an encoder attached to the manual gear, and the rotary sensor directly detects the rotation of the manual gear via the encoder. The locking mechanism according to claim 16.   18. The locking mechanism according to claim 17, wherein the user input information visualized on the display is basically random from the rotational position of the lock dial.   The lock mechanism according to claim 18, wherein the algorithm converts a rotation rate of the lock dial into the user input information.   16. The apparatus of claim 15, further comprising a filtering device that covers at least a portion of the display, wherein the filtering device is configured to prevent viewing of the display from a plurality of viewing angles. Locking mechanism. A thermal relocking device including a relocking pin;
The re-lock pin is movable under the influence of time and temperature for engagement of the lock bolt in the extended position so that the re-lock pin prevents movement of the lock bolt to the retracted position The locking mechanism according to claim 15, wherein A lock casing surrounding the actuator assembly, the controller, the manual gear, and the bolt retraction gear;
The lock casing has a first portion and a second portion;
16. The first and second portions are permanently sealed to each other such that separation of the first and second portions breaks at least a portion of the lock casing. The locking mechanism described in 1. A lock casing surrounding the actuator assembly, the controller, the manual gear, and the bolt retraction gear;
16. The locking mechanism of claim 15, wherein the lock casing is at least partially formed from a substantially translucent material so that evidence of unauthorized interference with the lock is visible. Locking mechanism:
A lock casing having a lock casing therein, and having an internal component of the lock;
The lock casing is formed, at least in part, from a substantially translucent material so that the internal components of the lock are visible from the outside of the casing so that evidence of unauthorized interference with the lock is visible. A locking mechanism characterized by that. The lock casing further includes a first portion and a second portion,
25. The first and second portions are permanently sealed to each other such that separation of the first and second portions breaks at least a portion of the lock casing. The locking mechanism described in 1. The lock casing further includes a first portion and a second portion,
25. The locking mechanism according to claim 24, wherein the first portion of the lock casing is opaque and the second portion of the lock casing is substantially translucent. A user input device, a manual gear, a bolt reverse gear biased toward engagement with the manual gear, a lock bolt engaged with the bolt reverse gear, and an actuator assembly having a guide element; A method of operating a lock including:
Capturing the bolt reverse gear using the guide element in a capture position to prevent movement of the bolt reverse gear toward engagement with the manual gear;
Recording user input information from the user input device;
Confirming that the user input information matches authentication information stored in the controller;
Rotating the cam of the actuator assembly to engage the guide element and move the guide element to a capture release position;
Disengaging the guide element from the bolt reverse gear to allow engagement of the bolt reverse gear and the manual gear after the user input information is confirmed;
Driving the lock bolt to a retracted position by manually driving the gear with the bolt retracting gear;
A method comprising the steps of: The actuator assembly includes an actuator and a clutch mechanism;
The method further includes:
Activating the actuator for the predetermined time period to rotate the clutch mechanism for a predetermined period of time;
Engaging the clutch mechanism with the cam;
Suppressing the operation of the cam while the actuator continues to rotate the clutch mechanism operatively;
28. The method of claim 27, comprising: The user input device is a lock dial;
The lock further includes a sensor and a display operably connected to the controller;
The method further includes:
Detecting the rotation of the lock dial;
Converting the rotation of the lock dial into user input information via a predetermined algorithm;
Visualizing the user input information on the display;
28. The method of claim 27, comprising:   30. The method of claim 29, further comprising using the lock dial rotation rate in the algorithm to convert the rotation of the lock dial into user input information.   30. The method of claim 29, further comprising the step of randomly selecting the position of the lock dial from visualized user input information.   30. The method of claim 29, further comprising filtering at least a portion of the display to prevent viewing of the display from a plurality of viewing angles.   28. The method of claim 27, further comprising the step of inspecting a portion of the lock through a translucent lock casing in order to make visible any internal interference or lock problems.   Permanently sealing the first portion of the lock casing with respect to the second portion of the lock casing such that separation of the first and second portions breaks at least a portion of the lock casing. 28. The method of claim 27, further comprising:

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