Main body structure of combination lock

Details Main body structure of combination lock Main body structure of combination lock

1995-09-27

1997-06-10

Boucher, Darnell M.

Locks

Operating mechanism

Combination

70312, 70 30, E05B 3700

Patent

active

056365390

ABSTRACT:
A combination lock is provided wherein force is maintained by convex blocks of a thimble member to displace a setting push ring and allow setting of a new combination. The convex blocks of the thimble are engaged with arcuate edges of a push ring by rotation of the thimble. Subsequent to setting of a new combination, the thimble is rotated back to its original position.

REFERENCES:
patent: 3349586 (1967-10-01), Russell et al.
patent: 4302955 (1981-12-01), Kawakami
patent: 5027623 (1991-07-01), Ling
patent: 5235831 (1993-08-01), Lauria et al.

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