E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/48, 292/51
E05B 9/10 (2006.01) E05B 17/00 (2006.01) E05B 17/04 (2006.01) E05B 55/00 (2006.01) E05B 13/00 (2006.01)
Patent
CA 1184773
Abstract of the Disclosure A cylinder lock chassis is composed of three self-contained subassembly units, namely, a central retractor assembly and two "face assemblies" such as inside and outside knob assemblies or others prepared to provide various different "functions" for the lock. The retractor assembly has a retractor held and guided in a frame by guide means, preferably a pair of guide lugs on low-friction shoes riding in guide slots in spaced walls of the frame. The unitary retractor assembly is clamped between end plates of selected face assembly units and interlocked therewith so as to hold the face assemblies in coaxial relation with each other and the retractor unit. This permits selective assembly of various lock chassis from stocks of different self contained and unitary subassemblies to facilitate original manufacture of locks with different functions, and allows interchange of unitary subassemblies in field service.
413001
Best Walter E.
Foshee William R.
Best Lock Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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