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| Number | Title | Issue Date |
| 7364181 | Self locking coupling device A coupling device that requires no manual actuation to achieve coupling features a locking bolt movable along a hole extending into a mouth of a hook body to secure a coupling pin therein. A control lever pivotally connected to the locking bolt opposite the mouth en... | 04/29/2008 |
| 7322072 | Fast disassembling joint structure A fast disassembling joint structure includes a base part and a removable part. One end of the removable part is secured to a desired structure; the other end is a connection arm. The housing has a raceway and a first semi-circular concavity. The movable clamp has a... | 01/29/2008 |
| 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 |
| 7198305 | Load floor latch A load floor latch that can be installed in a vehicle floor for storage having a biasing means for actuation but allows slam action closure. The latch comprises an actuation assembly that is attached to a housing or lid and is designed to accommodate a pawl member f... | 04/03/2007 |
| 7155945 | Lock having a lockable handle shaft A lock including a frame, a handle operated latch bolt, a handle shaft, a latch bolt actuating mechanism and a mechanism for locking the handle shaft. The latch bolt locking mechanism includes a locking lever which is fixed with respect to the handle shaft and arran... | 01/02/2007 |
| 7155946 | Mortise lock having double locking function A mortise lock having a double locking function is provided, which includes: a deadbolt for performing a locking function of a door by going in and out the door; a latchbolt going in and out the door by a handle installed on the door; and a locking member for mainta... | 01/02/2007 |
| 7144053 | Electric strike assembly An electric strike includes a housing and a two-position mode selector for selecting a mode of the electric strike. Specifically, the two-position mode selector is operable from outside the housing, and the two-position mode selector is configured to allow the elect... | 12/05/2006 |
| 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 |
| 7118143 | Temporary door latch A temporary door latch for a door having a face bore and an edge bore where the edge bore extends from the face bore to a lateral edge of the door. The edge bore is disposed in substantial alignment with a strike bore of a door jam. The temporary door latch includes... | 10/10/2006 |
| 7083205 | Double-acting load floor slam latch The present invention relates to a latch for securing together a panel to a keeper thus permitting opening and closing of a portion of the panel while allowing the remaining portion of the panel to remain closed. When the latch is unlatched from a keeper, a user can... | 08/01/2006 |
| 7036854 | Flush bolt A flush bolt mechanism to be mounted into a recess at the vertical edge of an inactive door of a pair of swinging doors. The flush bolt mechanism has a manually-activated trigger, a shaft connected to the trigger by a pin, a spring clip biasing the shaft, and a bolt... | 05/02/2006 |
| 6978646 | Installation arrangement for controlling handle operation in a door lock and a door lock provided with an installation arrangement of this kind An installation arrangement for a solenoid controlled handle operation in a door lock in which force transmission from an operation axis for a handle or the like to a follower acting on a bolt of the lock is arranged by means of a movable coupling member, which rece... | 12/27/2005 |
| 6953210 | Solenoid arrangement for controlling handle operation in a door lock A solenoid arrangement for controlling handle operation in a door lock, in which force transmission from an operation axis of a handle or the like to a follower acting on a bolt of the lock is provided by a movable coupling member which receives its guidance from th... | 10/11/2005 |
| 6926319 | Rose locking mechanism A rose locking mechanism developed with a hybrid lock architecture for a door designed to incorporate the functionality of a cylindrical lock architecture with the ease of installation of a tubular lock architecture is provided by the present invention. The hybrid l... | 08/09/2005 |
| 6913299 | Closing sheet for escape doors The present invention relates to a locking device for doors with mortise sashlock and remote-controlled door opener or pull or push plates, intended to be openable without being influenced by the spring bolt. The invention is characterized in that the lock also comp... | 07/05/2005 |
| 6802546 | Convertible door lock latch mechanism A convertible door latch assembly convertible between a non-locking configuration and a locking configuration. The convertible door latch assembly including a bolt housing, a bolt slidably engaging the bolt housing and having a first slot and a second slot, a drawba... | 10/12/2004 |
| 6793254 | Automatic door latch An automatic door latch is disclosed. In a preferred embodiment, the latch includes a dead bolt which is automatically moved from a partially retracted or trigger position to a fully extended locking position when a door in which the lock is mounted is closed. When ... | 09/21/2004 |
| 6793253 | Lock A lock which includes a bolt, a catch, a handle for manually moving the catch from an operative position to an inoperative position, first link means, and electrically actuable means for causing movement of the first link means between first and second positions, th... | 09/21/2004 |
| 6735993 | High strength lever handle lock mechanism A lock mechanism for use with lever handles includes a lock core and a latch mechanism that is rigidly connected to the lock core to prevent the lock core from rotating in the door. Through-bolts are not needed, allowing a small diameter rose to be used. Stops and a... | 05/18/2004 |
| 6698803 | Door latching mechanism A door latching mechanism includes a slide housed within a frame adapted for sliding motion of the slide within the frame and a spindle rotatably mounted to the frame and adapted to move the slide between a retracted and an extended position. A void is de... | 03/02/2004 |
| 6626018 | High strength lever handle lock mechanism A lock mechanism for use with lever handles includes a lock core and a latch mechanism that is rigidly connected to the lock core to prevent the lock core from rotating in the door. Through-bolts are not needed, allowing a small diameter rose to be used. ... | 09/30/2003 |
| 6536248 | Door lock-and-handle assembly A door lock-and-handle assembly includes a housing receiving a latch bolt therein, a spindle for driving the latch bolt between extended and retracted positions, a handle coupled to the spindle, a sliding member connected to the latch bolt, a driving memb... | 03/25/2003 |
| 5909919 | Auxiliary lock assembly with additional interior locking An auxiliary lock assembly includes a casing securely attached to the inner side of the door plate and including a first hole, a mount plate securely attached to the casing and including a second hole in alignment with the first hole, and a latch plate mo... | 06/08/1999 |
| 5816085 | Remote entry knobset A knobset comprising a latch mechanism including an extendable deadbolt, a lock housing, a first spindle, a slide actuator, a slide housing mounted on the first spindle for supporting the slide actuator for linear displacement, spring means interconnectin... | 10/06/1998 |
| 5813255 | Lock mechanism with closed case changeovers The invention is a mortise lock constructed for very simple conversion between multiple functions and left and right hand openings. The lock can include or omit retraction of the latch bolt from either side with a key, permanent locking of either side's r... | 09/29/1998 |
| 5758527 | High security deadbolt lock assembly A high security deadbolt assembly for a door which bolt has a housing extending from the edge of the door inwardly of the transverse bore between the door surface. A deadbolt is reciprocable in the housing and has a recess at its inner end. A cylindrical ... | 06/02/1998 |
| 5636882 | Privacy adaptor for door furniture A releasable snib mechanism for a door latch assembly includes a body and a first rotary member disposed in the body and adapted to be engaged by and rotated with a door latch spindle. A snib member is mounted on the body for movement between a snibbing p... | 06/10/1997 |
| 5474348 | Motorized actuator for mortise lockset A motorized lock actuator is provided for moving a locking bar in a mortise lock. The lock actuator includes a pivot hub having a pivot axis and a shaft-receiving aperture, a spring mounted on the pivot hub, a motor, and a rotatable drive shaft inserted i... | 12/12/1995 |
| 5364139 | Door latch assembly A door latch assembly (10) includes a latch bolt mechanism (60) having a bolt (62) movable between a door latching position and a door unlatching position. Assembly (10) further includes handle lever (16) and (36) at opposite ends of a square spindle 64. ... | 11/15/1994 |
| 5020343 | Lockset having improved actuator A lockset for a door comprising a latchbolt assembly movable between a partially extended latching position, a fully extended deadbolt position and a retracted position. A spindle extends through the latchbolt assembly in a direction transverse of the dir... | 06/04/1991 |
| 4945737 | Lockset assembly A lockset for a door comprising a latch bolt assembly including a bolt movable between a partially extended latching position, a fully extending dead bolt position, and a retracted position. A spring biases the bolt toward its dead bolt position and a spi... | 08/07/1990 |
| 4741190 | Lockset assembly A lockset for a door comprising a latchbolt assembly including a bolt movable between a fully extended deadbolt locked position, and a retracted position. A spindle extends through the latch assembly in a direction transverse of the direction of movement ... | 05/03/1988 |
| 4688406 | Deadbolt lock mechanism A deadbolt lock mechanism for a door comprises a lock cylinder secured to a lock housing and having a movable locking tab connected thereto, a lock bolt slidably mounted within a channel in the housing, a disk rotatably mounted within the housing having a... | 08/25/1987 |
| 4682799 | Latch lock mechanism A latch lock comprising a latch bolt adapted for movement between a latching and a retracted position, a first part including a boss adapted to be rotated by a door handle, and a second part adapted to move the latch bolt between these positions. A clutch... | 07/28/1987 |
| 4656850 | Electric lock An electric lock comprising a solenoid which has a permanent magnet for attracting a plunger and an electromagnetic coil which is positioned adjacent the permanent magnet so as to control the magnetic flux of the permanent magnet. A cam member which has a... | 04/14/1987 |
| 4643007 | Deadbolt locking system A positive deadbolt locking system having a spring-biased deadbolt normally biased toward a retracted unlocked position or selectively and alternatively toward an overcenter locked position. The deadbolt is selectively in the fully unlocked or fully locke... | 02/17/1987 |
| 4594864 | Lockset assembly A lockset assembly which includes a bolt (12) movable between a partially extended latching position and a fully extended dead bolt position. When the bolt (12) is in the dead bolt position, the inside lever (10) can be used to retract the bolt. The outsi... | 06/17/1986 |
| 4529234 | Electrical operating means for door lock mechanisms A door locking assembly in which the latching mechanism of the assembly comprises a latch bolt operated by rotary means, which can be the door knob or a key operated tumbler, for normally operating the latch bolt, dead lock means for blocking the retracti... | 07/16/1985 |
| 4428212 | Cylinder lock retractor and chassis assembly A cylinder lock chassis is composed of three self-contained subassembly units, namely, a central retractor assembly and two "face assemblies" such as inside and outside knob assemblies or others prepared to provide various different "functions" for the lo... | 01/31/1984 |
| 4390197 | Electrically controlled latch A latch is provided with a rotary solenoid having an eccentrically mounted drive pin for driving a latch hub dogging means. The solenoid assembly can be easily demounted, rotated 180°, and remounted in the latch housing so that the drive pin can be made ... | 06/28/1983 |
