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Document |
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7520542 |
Childproof gate latch
A childproof gate latch for an enclosure such as a fence is provided with a latching member attached to a gate. The latching member is received through a lock opening in a fence support as the gate...
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5203215 |
Mechanical component attachment safety system
A mechanical component attachment safety system is disclosed wherein a position of a blcoking rod is controlled by an over-center lever assembly having a drive lever connected to the blocking rod...
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5149153 |
Self-disengaging locking device
An automatically disengaging locking device is provided for use on a container having a hinged lid pivotable between open and closed positions. The locking device consists of a housing mounted to...
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4924929 |
Folding firedoor lead post assembly
In order to reduce heat transfer from one side of a folding fire door lead post assembly to the other side, the lead post assembly includes a central lead post which forms the leading edge of the...
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3953064 |
Gate latch
A gate latch suitable for sliding and swinging doors which includes a vertically sliding self-engaging bolt, and a manually positioned bolt blocking member. The latch is particularly applicable for...
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3801145 |
DOOR LOCKING APPARATUS
Apparatus for locking a door of a vehicle including a U-shaped spring mounted on the vehicle to receive and embrace the vehicle, the spring having one position in which it clamps the door of the...
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3563586 |
FLOOR BAR LOCK: FAIL SAFE
A vertical member is disposed in a floor mounted vertical hollow cylinder adjacent a door. Means are provided to move the member upwardly from the cylinder to block movement of the door or to move...
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3004420 |
Door latch and lock
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2927811 |
Garage door locking and release device
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2798751 |
Electrically actuated lock mechanism
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