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E - Fixed Constructions

05

C

292/26

E05C 3/14 (2006.01)

Patent

CA 1060920

ABSTRACT OF THE DISCLOSURE Fastening means for a hinged door consists of a locking cam shaped like an elongated hooked finger, swingable about a vertical axis to and from overengaged relation with a keeper pin to secure and release the door. The cam is tapered to reduced vertical thickness toward its free end and is keystone-shaped in cross section. The keeper pin is contained in a keeper housing into and out of which the cam moves. The keeper housing has wall portions with which the cam is engageable if the door is sagged or misaligned, so that due to its tapered form the cam urges the door toward realignment during closing. Due to the cross-sectional shape of the cam, the area of contact between the cam and such wall portions of the housing is limited (theoretically to a point) during movement of the cam to and from the locked position.

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