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| Number | Title | Issue Date |
| 7410195 | Two-part automatic bolt for doors A vertical bolt mechanism and installation configuration that avoids damage to a door corner comprises a vertical bolt case of tubular shape and a horizontal tubular transfer case. The mechanism is substantially contained within the bolt case and transfer case. In t... | 08/12/2008 |
| 7399009 | Load floor latch A load floor latch for securing a first closure member to a second closure member panel such that when the first and second closure members are fastened, the latch is opened by actuating the handle and the pawl is retracted into the latch. A biasing device such as a... | 07/15/2008 |
| 7350383 | Electronic lock The present invention provides an electronic lock structured to include a first bolt configured with an elastic clasp, an electromagnetic device connected to an input device, a second bolt and a microswitch connected to a security system, all of which are installed ... | 04/01/2008 |
| 7303216 | Latch assembly A latch assembly includes a latch and a casing having a base integrally formed with outer walls, wherein a latch chamber is defined by the base and the outer walls. The casing securely retains the latch within the latch chamber and allows limited movement of the lat... | 12/04/2007 |
| 7273240 | Closing device for furniture A closing device for an opening part of a piece of furniture comprises a magnetic detent for retention of the part in a closed position in combination with a thrust “pull-push” mechanism for detachment from the magnetic detent upon command, so as to cause openin... | 09/25/2007 |
| 7267379 | Flush bolt A flush bolt includes a bolt head and a strike. The bolt head moves out of the flush bolt in response to movement of the strike into the flush bolt, through a movable cam surface in the flush bolt. The bolt head is withdrawn towards the flush bolt when the strike is... | 09/11/2007 |
| 7261342 | Automatically locking window latch An automatic locking window latch including a housing for holding a handle with a fully integrated bolt for securing a window, and a catch for engaging the window to release the bolt to secure the window, as well as to hold the bolt open to open the window. The catc... | 08/28/2007 |
| 7261341 | Reversible latch assembly A reversible latch assembly has a faceplate assembly, a latch bolt assembly, a bolt-releasing assembly, a guardian bolt assembly, a driver assembly and a casing assembly. The latch bolt assembly, the bolt-releasing assembly and the guardian bolt assembly are rotatab... | 08/28/2007 |
| 7249791 | DOUBLEDEADLOCK™: A true combination door latch and deadbolt lock with optional automatic deadbolt locking when a door is latched A combined automatic latch and deadbolt assembly includes a latch configured to selectively assume a retracted and extended configuration and a deadbolt configured to selectively assume a cocked and a released configuration. The combined automatic latch and deadbolt... | 07/31/2007 |
| 7201408 | Slidable bolt assembly A slidable bolt assembly (4) having a tension spring (16) mounted to a slide bolt rod (5). The actuating lever (8) is adapted to be pivotally mounted and is hand-operated. The actuating lever (8) is attached to a leaf tension sprin... | 04/10/2007 |
| 7182392 | Latch device for vehicle access panel door This latch device for an access panel door includes an open lever and a ratchet release lever pivotally mounted on a base plate by a first shaft, a lock lever pivotally mounted on the base plate by a second shaft, and a sliding pin displaceable between an engaged po... | 02/27/2007 |
| 7118142 | Latching apparatus for sliding closure members A latching apparatus for sliding windows or doors, comprising a striker and a latch assembly. The latch assembly comprises a support, a spring biased latch member slideably retained on the support and movable between a latching position in which it engages the strik... | 10/10/2006 |
| 7066678 | Locking method and mechanism A locking method and device applicable to lock a linearly retractable device includes a locking plate in a first direction and a second direction perpendicular to each other. In the first direction, the locking plate is movable in a release position and a safety pos... | 06/27/2006 |
| 7055871 | Electronic door lock dogging mechanism An electronic door lock dogging mechanism is provided with a bolt arranged to move into and out of a door to selectively engage a portion of a door frame to lock a door when extending out of the door and when recessed within the door, unlocking the door from the doo... | 06/06/2006 |
| 7032939 | Lock A lock has a lock casing and a spring-loaded trigger guided for reciprocating movement within the housing. A hook-like bolt is arranged within the housing to be movable between an unengaged position and an engagement position. In a first position, as support surface... | 04/25/2006 |
| 7007985 | Automatic deadbolt mechanism for a mortise lock An automatic mechanism and method for moving a deadbolt between a retracted deadbolt position and an extended deadbolt position. A trigger is operatively coupled to the deadbolt and to the auxiliary latch. The trigger is configured to cause a first movement of the d... | 03/07/2006 |
| 6962377 | Driving rod lock for a sliding door A driving rod lock for a sliding door, with a lock housing (2) which is arranged to the rear of a cuff plate (1) and which comprises a driving member for a driving rod (3) for driving bolt elements (4), which driving rod is displacable be... | 11/08/2005 |
| 6899361 | Self-locking latch and locking system equipped with said latch A self-latching lock (1) having a bolt (2), a catch (3), an auxiliary catch pin (4) and a reciprocator (5) includes a multi-part latch nut (6) that permits the deactivation of an nut-idling device (8) and thereby a te... | 05/31/2005 |
| 6851287 | Lock having a quick unlocking function A lock includes a quick unlocking device and a secondary locking device. Thus, when the inner handle is rotated, the latch bolt and the dead bolt are unlocked synchronously by operation of the quick unlocking device, so that the door plate can be opened rapidly, the... | 02/08/2005 |
| 6733050 | Bolt dock for door lock An improved bolt dock for a door lock and particularly a bolt dock capable of locking automatically when the door is closed and preventing the bolt from deforming mainly consists of an upper bolt set and a lower bolt set covered by a lid to couple with an inner hand... | 05/11/2004 |
| 6217087 | Lock mechanism A lock mechanism is provided which may actuate both a deadbolt and flush bolts in response to a single lock movement. The mechanism includes a dual element bolt throw and flush bolt actuator, which locks in place in the extended position if the end of the... | 04/17/2001 |
| 6196035 | Door lock assembly having an automatically actuated latch mechanism A door lock assembly includes a hollow casing, a latch, an actuator rod, and a drive mechanism. The casing has left and right side walls that are opposite to one another, and a rear wall interconnecting the left and right side walls. The left side wall ha... | 03/06/2001 |
| 6174004 | Mortise latch and exit device with concealed vertical rods A mortise latch and exit device includes active and passive mortise latch mechanisms with corresponding concealed vertical rods operated by links mounted within the mortise latch mechanisms. The mortise latch mechanisms latch double doors at a center poin... | 01/16/2001 |
| 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 |
| 6079756 | Oven door latch A latch mechanism for use with an oven having a door, the latch mechanism including a base plate which pivotably supports a latch member about a pivot point. The latch member is rotatable between a latched and unlatched position and includes a drive surfa... | 06/27/2000 |
| 6022056 | Method and apparatus for automated door latch actuator A door latch actuator operates a latch bolt assembly of a door. The door latch actuator employs a spring latch plunger and a dead latch plunger mounted in a housing that has a latch cavity sized to receive the spring latch bolt and the dead latch bolt pin... | 02/08/2000 |
| 5904384 | Push pad trigger release exit device with infinite deadlocking A push pad releasable exit device with continuous deadlocking for mounting near a door edge for engaging a lock strike includes a housing having first and second sidewalls upon which are mounted two end walls and an internal wall parallel to the end walls... | 05/18/1999 |
| 5820173 | Lock mechanism A lock mechanism is provided which may actuate both a deadbolt and flush bolts in response to a single lock movement. The mechanism includes a dual element bolt throw and flush bolt actuator, which locks in place in the extended position if the end of the... | 10/13/1998 |
| 5673948 | Remote lock operation control means A door lock is disclosed having a slidable lock bolt with a latching device for releasably retaining the lock bolt in a position intermediate of extended and retracted positions for the lock bolt. The door lock may be used in combination with a remote loc... | 10/07/1997 |
| 5542720 | Multipoint lock assembly for a sliding door A multipoint lock assembly is provided for securing a sliding door in a tightly closed and locked condition. The multipoint lock assembly comprises a plurality of latch cartridges mounted at vertically spaced positions along a free side edge of a sliding ... | 08/06/1996 |
| 5498038 | Multi-point door lock system A multi-point door lock system comprising an active lock and an inactive lock for use on single or double doors is self-teaching, provides one hand control of shoot bolts, and provides audible and tactile feedback associated with shoot bolt extension and ... | 03/12/1996 |
| 5322332 | Rim type latching system A latch assembly for use with a panic exit device, particularly a top latch having a U-shape which engages a stem portion of a T-shaped receiving lug mounted overhead to a top member of the door frame. The U-shaped top latch is pivotably mounted to the ac... | 06/21/1994 |
| 5092637 | Latch assembly for doors A latch assembly for a door movably mounted on a frame is disclosed together with its method of operation, the assembly including a housing mounted on the frame adjacent an opening for receiving the door, a first pin mounted in a first passageway of the h... | 03/03/1992 |
| 4950005 | Lock deadbolt protector Mortise lock has a guardbolt which, when depressed, moves a lever inside the lock. The end of the lever moves a vertically sliding interlock slide from a first position in which its fits in a recess in the deadbolt and blocks the throwing of the deadbolt,... | 08/21/1990 |
| 4890870 | Mortise lock assembly with automatic dead bolt and incremental stop A mortise lock assembly disposed within a housing for mounting in a door. The assembly includes a latch bolt and a dead bolt, both of which are movably mounted within the housing and reciprocal between an extended position cut out of the housing and a ret... | 01/02/1990 |
| 4779907 | Suitcase lock A suitcase lock comprises a manually operable actuator mounted in a bowed handle of a suitcase to actuate a guiding means which incorporates a combination lock and which in turn moves a release plate. The release plate has two opposite ends connecting wit... | 10/25/1988 |
| 4765663 | Spring-loaded dead bolt assembly A lock assembly is provided which contains a spring-loaded dead bolt and a spring-loaded plunger intercoupled to one another. The assembly is such that when the door is closed, the plunger is pushed in by the striker plate on the door frame, and this rele... | 08/23/1988 |
| 4762346 | Peripherally arrayed closure fastener system Peripheral locking system comprising a frame enclosing an aperture and a closure for the aperture having a polymeric member extending around a portion of the perimeter of the aperture and mounted in a track, designed to lock the closure at at least two po... | 08/09/1988 |
| 4671549 | Tubular automatic deadbolt latch An automatic tubular deadbolt lock assembly having the automatic actuator mechanism enclosed within the tubular housing of the lock. The assembly is dimensioned like a standard tubular deadbolt, to fit within standard borings of present doors. A special q... | 06/09/1987 |
| 4561684 | Automatic deadbolt A deadbolt door lock assembly wherein the deadbolt is automatically mechanically actuated with door closure for security. Door closure actuates a trigger mechanism that releases a deadbolt restraining means to allow a biased deadbolt to be thrown to exten... | 12/31/1985 |
