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| Number | Title | Issue Date |
| 7178839 | Latch assembly for sliding doors A latch assembly connected to a lock face of a sliding door includes two hooks which are connected to two activation plates respectively. Two rotation gears each have teeth engaged with the activation plates which are moved to pivot the two hooks when the two gears ... | 02/20/2007 |
| 7178840 | Dome clamp for tanker trucks A dome clamp for retaining the dome lid of a tanker truck in a closed position. The dome clamp includes an upper tube, right and left clamp members, and a vertically adjustable locking means adapted to be movable from an unextended position out of contact with a dom... | 02/20/2007 |
| 7040671 | Lock assembly with two hook devices A lock assembly includes a casing, two pivotable members pivotally mounted in the casing and meshed with each other, two linking rods, and two hook device each including a hook member and a rocker arm that is pivotally mounted in the casing. Each hook member has a f... | 05/09/2006 |
| 7040675 | Linkage operated latching system A latching system includes a control unit that houses a remote signal responsive relay and a crank arm that is pivoted by the armature of the relay when the relay is energized to oppositely move a pair of elongate links each of which is connected to a separate latch... | 05/09/2006 |
| 7025394 | Lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door A lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door. The lock system includes a plurality of conventional deadbolt assemblies, a plurality of pinion ge... | 04/11/2006 |
| 6871884 | Bar lock for a locking system A bar lock for a locking system is provided, and comprises a lock body having guide slots and two recessed areas symmetrically disposed on opposite sides between the guide slots and separated from one another by a central member. Two lock bars are received in the gu... | 03/29/2005 |
| 6682109 | Door latching mechanism A door latching mechanism comprises two oppositely-directed, vertically-slideable rods adapted to engage at their outer ends respectively with the top and bottom of a door frame, and a main latch member adapted to engage with a keeper provided on or in th... | 01/27/2004 |
| 6334636 | Remotely controllable lock A remotely controllable lock includes a turn knob rotatably mounted to a main housing. The turn knob includes an axle rod with a non-circular hole through which a spindle of the lock extends. A power element is mounted in the main housing for driving a re... | 01/01/2002 |
| 5120087 | Bulkhead door locking An apparatus and method is disclosed for selectively locking and unlocking a large, heavy bulkhead door at several points about its periphery. A plurality of locking fingers are slidably mounted on the door for selective extension and retraction with resp... | 06/09/1992 |
| 4368905 | Exit door locking mechanism having multiple bolts A panic exit door locking mechanism in which a manually operable panic exit actuator device is mountable on the inside face of a hinged door having a tubular narrow stile frame along its swinging edge; top and bottom adjustable bolt mechanisms at the uppe... | 01/18/1983 |
