Improved door locking device

Details Improved door locking device Improved door locking device

E - Fixed Constructions

05

C

E05C 9/00 (2006.01) E05B 63/14 (2006.01) E05C 17/38 (2006.01) E05C 17/48 (2006.01) E05B 63/00 (2006.01) E05C 1/06 (2006.01)

Patent

CA 2356587

An improvement to Del Nin s security locking device outlined by U.S Patent No. 5,983,680 issued November 16, 1999 is described wherein the improvement comprises of new gearing arrangement and vertical deadbolt design so as to strengthen the device s vulnerability to forced breakage, and so that such locking device may operate on doors opening from either left or right sides of its door frame. This improved vertical deadbolt design additionally replaces need for any spring-like mechanisms prone to attack and vulnerable to wear and tear, with more sturdy bayonette latch mechanism resulting in solid precision control over deadbolt s vertical movement.

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