Class 70/303A - Fence held spaced from tumblers

Subclass of Class 70 - Locks
No. of patents: 77
Last issue date: 11/01/2011

Number	Title	Issue Date
8047032	Combination lock with two dial plates A combination lock includes an outer case with an inner case received therein and the outer case has a chamber which communicates with a passage in which a latch is received. A spring is mounted to the latch and provides a force to move the latch in a direction away...	11/01/2011
7355305	Small-size direct-acting actuator A direct-acting actuator is provided comprising a stator section (16), an attachment section (6) secured to the stator section, micro-beams (8, 10) extending from the attachment section, a rotor section (12) supported for swing motion by ...	04/08/2008
7263865	High security lock mechanism A self-powered electric lock includes a lock bolt and a first engagement element having disengaged and engageable positions. An electric actuator includes an output operative to move the first engagement element to its engageable position. A manually operated rotata...	09/04/2007
7216518	Mechanical dial combination lock A mechanical dial combination lock for use in safes, file cabinets, security doors, vaults and warehouse doors. The disk type mechanical combination lock features a plurality of annular code discs, a base disc, a latch, an unlatching mechanism, a positioning mechani...	05/15/2007
7131673	Electromechanical keeper An electromechanical keeper is disclosed that includes a base plate adapted for being mounted to a flat surface, a catch member pivotally supported by the base plate, and a solenoid having a solenoid shaft. The catch member is adapted to engage the pawl of a latch w...	11/07/2006
6978644	Locking mechanism for handcuffs A solenoid operated mechanical mechanism for controlling the rotation of a gear comprising the use of a first linear element which moves in response to an electrical current to cause the rotation of a cam which, in turn, causes the movement of a second linear elemen...	12/27/2005
6946748	Inertia wheel coupled with a leverage transmission An apparatus is provided which includes an inertia wheel rigidly attached to a center axle, such that the wheel and axle adapted to unitarily rotate about a center axis. An axle support is adapted to rotatably support the center axle such that the inertia wheel and ...	09/20/2005
6911897	Electronic combination lock with high security features A self-powered electronic combination lock including a lock mechanism having locked and unlocked conditions. A rotatable dial is used to input a numerical combination code for changing the lock mechanism from the locked condition to the unlocked condition. An electr...	06/28/2005
6904778	Mechanical combination lock A combination lock configured to resist surreptitious compromise by radiographic imaging and automatic dialers. In one aspect, the combination lock may include gate wheels having one true gate positioned among a plurality of false gates in which the true gate is con...	06/14/2005
6813917	High security lock mechanism A self-powered electric lock includes a lock bolt and a first engagement element having disengaged and engageable positions. An electric actuator includes an output operative to move the first engagement element to its engageable position. A manually operated rotata...	11/09/2004
6546769	High security lock mechanism A self-powered electric lock includes a lock bolt and a first engagement element having disengaged and engageable positions. An electric actuator includes an output operative to move the first engagement element to its engageable position. A manually oper...	04/15/2003
6502438	Electronic combination lock having anti-tampering features An electronic combination lock including an electronic combination input device, a lock-bolt mounted for movement between locked and unlocked positions and a rotatable first engagement element having disengaged and engageable positions. A first electric a...	01/07/2003
6341513	Two-in-one combination safe lock A two-in-one combination safe lock. The combination safe lock includes lock device and an electronic lock device in a box that is set on the side of a safe door with a lock latch on the upper side. A numeric dial and a circular pushbutton plate are dispos...	01/29/2002
6314773	High security lock mechanism A locking mechanism adapted to be placed in locked and unlocked positions. The locking mechanism includes a lock-bolt mounted for movement between locked and unlocked positions and a first engagement element having disengaged and engageable positions. An ...	11/13/2001
6295849	High security electronic dial combination lock An electronic combination lock is disclosed which allows access to a closed or secure location wherein the lock includes a locking mechanism for operating between a locked condition and an unlocked condition. A rotatable cam wheel has a circumferential su...	10/02/2001
6212923	Lock including means for sensing position of bolt and for indicating whether or not bolt is extended from lock case A dead bolt lock automatically blocks the extended bolt to prevent externally-applied force from thrusting the bolt back into the lock case, and in the event of physical attack the lock responds by prolonging or perpetuating the dead bolt blocking conditi...	04/10/2001
6196037	Lock system enabling user to lock door and extend lock bolt in a single action and push-pull lock with cushioning arrangement for protecting bolt drive components A dead bolt lock automatically blocks the extended bolt to prevent externally-applied force from thrusting the bolt back into the lock case, and in the event of physical attack the lock responds by prolonging or perpetuating the dead bolt blocking conditi...	03/06/2001
6178791	Electronic reset for solenoid activated control in an electronic lock The technique for electronically resetting a magnetically sealed solenoid to an unattracted, unactuated position is described for use with solenoids which have either a residual magnetic or a permanent magnet holding force necessary to retain the armature...	01/30/2001
6151935	Deadbolt combination lock system with automatic locking spring bolt A deadbolt lock and a deadbolt which will extend automatically whenever a container is locked by virtue of a rigid portion of the container engaging a trigger element extending from the end face of the bolt and causing the release of an outer bolt portion...	11/28/2000
6094953	Electrically controlled slidebolt lock A slidebolt lock, with slidebolt displacement forces provided by a mechanism outside the lock assembly and acting on the slidebolt, is locked by a blocking member carried by the slidebolt and normally spring biased toward a blocking and locking position. ...	08/01/2000
6038897	Back cover lock for a combination lock A mechanism for locking the back cover of a combination lock to the lock housing is described having two sequentially and phased moveable parts, each having an aperture through which a locking member may be inserted, the apertures are disposed in parts mo...	03/21/2000
6016677	Dead bolt combination lock and push-pull lock, each with integrated re-locking features, lock with auxiliary security features, and lock keypad with tamper detection and response features A dead bolt lock automatically blocks the extended bolt to prevent externally-applied force from thrusting the bolt back into the lock case, and in the event of physical attack the lock responds by prolonging or perpetuating the dead bolt blocking conditi...	01/25/2000
6006561	Electronic reset for solenoid activated control in an electronic lock The technique for electronically resetting a magnetically sealed solenoid to an unattracted, unactuated position is described for use with solenoids which have either a residual magnetic or a permanent magnet holding force necessary to retain the armature...	12/28/1999
5960655	High security lock mechanism A safe locking mechanism has an engagement element movable from a disengaged position to an engageable position in response to a small amount of electrical power. When in its engageable position a mechanical linkage assembly is driven by the engagement el...	10/05/1999
5893283	Solenoid controlled bolt control for an electronic lock An electronic combination lock of the self-powered type, wherein the electrical energy for operation of the lock is developed within the lock itself, has a solenoid which magnetically seals in the activated position, thus preserving the "open" condition o...	04/13/1999
5881589	Gear driven bolt withdrawal for an electronic combination lock A gear driven bolt withdrawal mechanism for an electronic lock is disclosed wherein an electromagnetic device such as an electromagnetic device displaces a partial gear into a position to be engaged by a manual drive. The partial gear, in turn, drives sub...	03/16/1999
5870914	Electronic combination lock with self-contained power generation A self-powered lock incorporates a generator within the dial housing. The generator incorporates a plurality of coils and two concentric rings of magnetic segments. The rings are mounted on a dial housing, capable of rotation, and rotation of the dial hou...	02/16/1999
5862692	Safe door lock with servo motor operated cam A safe door lock with a servo motor operated cam is described. A retracting lever is pivotally secured to the locking bolt and is displaced on a pivot connection with the bolt by the cam. The position of the cam and the bolt are detected by microswitches....	01/26/1999
5816084	Electronic combination lock with an arrangement for moving a locking lever both into and out of an "engage" position in which lock may be opened A user of a self-powered electronic combination lock rotates an outer dial to cause generators to generate energy for storage in a capacitor bank. The user then rotates an inner dial to cause a microcontroller to sequentially display a combination of numb...	10/06/1998
5778711	High security electronic dial combination lock An electronic combination lock is disclosed which allows access to a closed or secure location wherein the lock includes a locking mechanism for operating between a locked condition and an unlocked condition. A rotatable cam wheel has a circumferential su...	07/14/1998
5749252	Manipulation resistant combination lock and method A manipulation resistant combination lock includes a housing, a drive cam attached a drive shaft, a moveable bolt, a fence attached to a fence lever, and tumbler wheels. A fence lever is pivotally attached to the bolt, and has a nose portion engageable wi...	05/12/1998
5720194	High security lock mechanism A safe locking mechanism has an engagement element movable from a disengaged position to an engageable position in response to a small amount of electrical power. When in its engageable position a mechanical linkage assembly is driven by the engagement el...	02/24/1998
5715716	High security lock mechanism A safe locking mechanism has an engagement element movable from a disengaged position to an engageable position in response to a small amount of electrical power. When in its engageable position a mechanical linkage assembly is driven by the engagement el...	02/10/1998
5653135	High security lock mechanism A safe locking mechanism has an engagement element movable from a disengaged position to an engageable position in response to a small amount of electrical power. When in its engageable position a mechanical linkage assembly is driven by the engagement el...	08/05/1997
5632169	Self powered electronic combination lock having comprehensive monitoring of power levels for various functions A user of a self-powered electronic combination lock rotates an outer dial to cause generators to generate energy for storage in a capacitor bank. The user then rotates an inner dial to cause a microcontroller to sequentially display a combination of numb...	05/27/1997
5632170	Combination lock preventing manipulation for unauthorized access An improved combination lock, such as for a safe, for the lock type having a plurality of tumbler wheels mounted coaxially with a driving cam, the tumbler wheels having fence gates to be aligned by proper combination dialing, the driving cam having a cam ...	05/27/1997
5613388	Electronic combination lock entering a lockout mode after a number of successive incorrect combination entries A user of a self-powered electronic combination lock rotates an outer dial to cause generators to generate energy for storage in a capacitor bank. The user then rotates an inner dial to cause a microcontroller to sequentially display a combination of numb...	03/25/1997
5609051	Keyless entry system for replacement of existing key locks A keyless entry system is disclosed for use with a deadbolt latch mechanism on a door. The latch mechanism includes an arm having a slot for engaging and disengaging an associated deadbolt. The keyless entry system comprises an interior portion, an exteri...	03/11/1997
5592838	Anti-attack interlocks for a combination lock mechanism Interlocks are described that prevent the bolt of a bolt lock from being displaced to the unlocked position by the use of impact and inertial of the lock parts, heat and the displacement of the cover plate of the lock housing....	01/14/1997
5575164	Combination lock A combination lock includes a dial shaft adapted to be rotated with a user's hand, a fore lock plate, at least one intermediate lock plate and a rear lock plate arranged in parallel with each other, and a driving plate integrally fitted to a rear end of t...	11/19/1996

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Class 70/303A - Fence held spaced from tumblers