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7354081 |
Single bolt mortise lock
The present invention comprises a reversible, single bolt mortise lock assembly for hinged doors. The lock assembly combines live bolt and dead bolt functions utilizing only a single bolt. The...
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6688063 |
Wood core exterior door with mortise lock
A storm door construction includes an internal rectangular frame providing a pane opening, the frame including left and right vertical members, a head panel and a base panel. One of the left and...
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6318136 |
Electromagnetically controllable safety lock
An electromagnetically controllable safety lock includes a locking bar which moves a slider, which is provided with teeth and which carries a blocking plate equipped with a passage pin channel. The...
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5974842 |
Locking slide latch
A locking slide latch comprises components that are easily assembled without the need for separate fasteners or adhesives. A presently preferred latch comprises a housing, a pawl received within...
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5897147 |
Locking slide latch
A locking slide latch comprises components that are easily assembled without the need for separate fasteners or adhesives. A preferred latch comprises a gripable base member having a spring member...
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5713227 |
Lever activated dead-bolt lock
A push lever activated dead-bolt lock for a door is described. The dead-bolt lock includes a dead-bolt axially mounted within a sleeve, the sleeve having a slot formed in each lateral side of the...
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5209168 |
Secure closure system for metal cabinet doors
A security system for a metal cabinet door comprises a latch adapted to be locked by a lock operating the latching members of the door. These comprise upper and lower strip members each having a...
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4472143 |
Method for securing doors, and the like
This invention is a unique method and apparatus for securing doors, windows, and the like, from unwarranted entry so that limited opening of the door, or the like, can be accomplished. The...
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4363227 |
Door lock construction
An improved door lock construction comprising a lock bolt formed in U-shape operable in association with an actuating mechanism, an interlocking device, a dog device and a hold-release device...
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4257193 |
Grate lock device
A device is disclosed for locking a grate or the like to its receiving frame to make difficult the removal of the grate by an unauthorized person utilizing a makeshift tool. The locking device has...
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4231597 |
Flush-type door lock
A flush mountable door lock includes a recessed body member, a lock bolt slidably mounted on the body member, and a paddle-shaped operating handle for moving the bolt. The handle is movable between...
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3999411 |
Lock knob control mechanism
Lock knob control mechanism comprising a three-piece cam assembly made up of a central cam actuator and two outside knob guides that may be selectively assembled to make the two knobs at opposite...
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3971241 |
Operating device for locking mechanisms in doors, hatches and the like
An operating device for locking mechanisms in doors or the like, especially on vehicles. A sealed system of flexible bellows interconnected by pipes is used to transfer a manual compression of an...
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3967478 |
Door latching apparatus actuated by cleansing agent sensor
An apparatus for unlatching a door to a hygienic area actuated by sensor electrodes in contact with the electrolytic residue of a cleansing agent upon the hand or limb of a person desiring access...
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3950970 |
Pre-shipment protective device
A pre-shipment protective device is used on a teller's locker to protect monies to be transferred. Only the transfer agent has a key to open the pre-shipment protective device. Only the bank has a...
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3944040 |
Apparatus for facilitating pick up of dry cleaning
Apparatus used to facilitate pick up of dry cleaning which uses a multi-drawered cabinet with each drawer having a separate access door. The door is unlocked when a coin is deposited therein and...
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3431754 |
LOCK CONSTRUCTION
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3418017 |
Cylinder spring latch lockset
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3365919 |
Latching arrangement
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3157042 |
Motor-driven or operated locks, and the like
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3110513 |
Latch mechanism
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3045464 |
Swing door latch-lock mechanism
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3023600 |
Permutation locks
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2931675 |
Spring latch
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2922297 |
Snap lock
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3605459 |
Title is not available
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