E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 47/00 (2006.01) E05B 65/00 (2006.01) E05B 65/08 (2006.01)
Patent
CA 2435478
The present invention relates to an improved door locking mechanism for locking an overhead door having engageable means movable in a channel of a track when the door is in a closed position and which is disengageable to allow for opening movement of the door. The locking mechanism includes a frame means capable of being mounted in proximity to the door; a movement obstruction member on the frame means; camming means associated with the movement obstruction member; and means for automatically shifting the obstruction member to a position out of the channel to allow opening movement of the door. The movement obstruction member is shiftable into an obstructing position in the channel to engage an element on the door and thereby preclude opening movement of the door when the door is in the closed position the summing means automatically forces the obstruction member out of the obstructing position in the channel when the door is being moved from the opened position to the closed position.
Automated Security Technologies Inc.
Mcfadden Fincham
Shoemaker Rodney
LandOfFree
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