Locks – Operating mechanism – Key
Patent
1994-09-19
1996-02-27
Boucher, Darnell M.
Locks
Operating mechanism
Key
70370, 70451, 411180, 411399, E05B 908
Patent
active
054938830
ABSTRACT:
A lock shell comprising a tubular outer shell for receiving lock components, illustratively a spindle, the shell having an annular key way at the front face; the shell has an enlarged head portion at the front and a reduced diameter cylindrical portion extending from the head portion to the rear of the shell; at least one longitudinally extending lug member is disposed on the outer periphery of the cylindrical portion; the at least one lug starts at the enlarged head and extends rearwardly a minor portion of the length of the shell; the lug has portions successively from the enlarged head consisting of straight top and side walls, inwardly tapering top and side walls, and diminishingly angled walls.
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2 pages from Fort Lock Catalog No. 12.
Boucher Darnell M.
Fort Lock Corporation
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