E - Fixed Constructions – 05 – C
Patent
E - Fixed Constructions
05
C
292/57
E05C 1/12 (2006.01) E05B 55/12 (2006.01) E05B 63/06 (2006.01)
Patent
CA 1229358
Abstract of the Disclosure An extended latch tube housing comprises a standard deep-drawn tubular shell having a front mounting flange and rear end wall, and a a coaxial second deep drawn shell of equal diameter with its end wall fixed to the end wall of the standard shell. The standard hell of the extended housing contains a conventional latch bolt and deadlocking mechanism, and this is actuated by tailpiece means which extends to the rear of the extended housing for connection with the retractor of a cylinder lock chassis. The rear of the extended housing carries ears for connection with such chassis, preferably as part of a back plate which also locates and guides the tailpiece means. With a short housing extension, the tailpiece means may be a lengthened standard tailpiece. With a longer extension, the standard front shell assembly includes a standard tailpiece, and a second standard tailpiece member is attached thereto by a rotatably engaged connector. The back plate guides the second tailpiece member in a fixed orientation so as to maintain the connector in engagement.
420202
Best Walter E.
Foshee William R.
Best Lock Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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