Door chain lock and release system

Details Door chain lock and release system Door chain lock and release system

E - Fixed Constructions

05

C

292/10

E05C 17/36 (2006.01)

Patent

CA 1037991

Abstract A door security and release system wherein a door safety chain or similar linkage is tautly held in door securing condition against any efforts to release it from outside the door, with release means associated with the inside door operating member and adapted to be actuated by turning the door operating member.

257972

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