Combination locks

Details Combination locks Combination locks

1982-02-16

1984-05-29

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70334, E05B 3702, E05B 6300

Patent

active

044506988

ABSTRACT:
Combination locks employ dial-driven rotary elements for controlling the position of a locking member between locking and unlocking positions by peripheral cooperating of the respective elements with the locking member. Each rotary element is formed in a manner whereby no audible sound or difference in feel is produced during rotation of the element when the on-combination setting of the element is reached. This reduces the possibility that the lock may be picked.

REFERENCES:
patent: 1655840 (1928-01-01), Nichin
patent: 3120117 (1964-02-01), Maynard
patent: 3633388 (1972-01-01), Atkinson
patent: 3983727 (1976-10-01), Todd
patent: 4308731 (1982-12-01), Remington

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