Spring bolt combination lock

Details Spring bolt combination lock Spring bolt combination lock

1979-12-20

1982-05-11

Wolfe, Robert L.

Locks

Operating mechanism

Combination

70269, 70314, E05B 3708, E05B 4300

Patent

active

043286895

ABSTRACT:
A combination lock having a lock housing with a spring bolt. A manually operable combination dial is provided outside the housing to operate a standard combination mechanism and a bolt retracting cam. A bolt retracting element is secured to the bolt and engageable by the bolt retracting cam when the combination mechanism is operated to a predetermined condition. By turning the dial the retracting cam is operated and the bolt is retracted. A disengagement mechanism disengages the bolt retracting element from the retracting cam, after the dial is released and the bolt is then displaced to its locked position.

REFERENCES:
patent: 2065867 (1936-12-01), Miller
patent: 2079703 (1937-05-01), Diesel
patent: 2152258 (1939-03-01), Hirn
patent: 3481167 (1969-12-01), Berner

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