E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 17/20 (2006.01)
Patent
CA 2118342
Most door locks use the strength of the door jam to hold the door closed.My invention,Doorguard, is a device that connects the door to a nearby wall,or post,or flooring, and uses triangulation and compression to hold the door closed. Doorguard allows the door to be locked,and it allows the door to be opened a small amount without being disconnected
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