Lock assembly

Details Lock assembly Lock assembly

1983-09-02

1986-05-13

Wolfe, Robert L.

Locks

Operating mechanism

Key

70379R, 70381, 70448, 70452, 292337, E05B 6300

Patent

active

045878161

ABSTRACT:
A lock assembly of the type mounted on a door or like closure structure and including two lock cylinders each at least partially encased and surrounded by a casing structure each of which has reinforcing means formed thereon so as to prevent collapse or destruction of said casing structure upon receiving an extreme force such as a blow with a hammer or the like. An activating structure is interconnected between a bolt element and each of the lock cylinders such that rotation of either lock cylinder, as by a key, causes at least partial rotation of the activating structure and linear movement of the bolt element into either an extended or retracted position.

REFERENCES:
patent: 200156 (1878-02-01), Towne et al.
patent: 631431 (1899-08-01), Phelps
patent: 1549603 (1925-08-01), Murmann
patent: 1675594 (1928-07-01), Bouchery
patent: 3699788 (1972-10-01), Gerlach et al.
patent: 4073172 (1978-02-01), Schlage
patent: 4422314 (1983-12-01), Cooper

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