Combination lock mechanism and method

Details Combination lock mechanism and method Combination lock mechanism and method

1989-04-28

1990-09-18

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70315, 70214, E05B 3700

Patent

active

049569856

ABSTRACT:
A combination locking assembly of simplified and robust construction. The combination assembly incorporating easily positionable slide members for setting the combination. The combination assembly also including incremental movement retaining apparatus wherein the locking bar is moved to the unlocked position only when the correct digits are sequentially depressed in the correct order. The combination assembly also allowing multiple use of the same combination digits.

REFERENCES:
patent: 1871303 (1932-08-01), Chesick
patent: 2029080 (1936-01-01), Mills
patent: 2536429 (1951-01-01), Dury
patent: 2750786 (1956-06-01), Sanowskis
patent: 3667261 (1972-06-01), McGourty
patent: 3751951 (1973-08-01), Gridley
patent: 4274272 (1981-06-01), Wang et al.
patent: 4627250 (1986-12-01), Kim
patent: 4827743 (1989-05-01), Kim

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