E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
292/35
E05C 1/08 (2006.01) E05B 65/00 (2006.01)
Patent
CA 1042947
A B S T R A C T The invention concerns a child-proof door catch device which requires a sequence of unconnected manipulations to operate the mechanism opening a door. The mechanism includes a housing and operating and latching elements, the operating and latching elements being normally held apart by a biasing means. When the correct sequence of manipulations is performed on the operating element, the latching element is caused to disengage from a striker plate to allow the door to be opened.
273892
Clinch Colin W.f.
Harley David N.
Palmer John P.
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