Combination lock

Details Combination lock Combination lock

1977-11-29

1978-11-07

Wolfe, Robert L.

Locks

Special application

For portable articles

70312, 70316, E05B 3702, E05B 6548

Patent

active

041239237

ABSTRACT:
A combination lock in which an actuator is movable in a predetermined dirion from a rest position to an unlocking position to unlock the lock and is further movable in the predetermined direction beyond the unlocking position to a combination-changing position to permit the combination to be changed. Movement of the actuator to the unlocking position can only occur when combination dials and sleeves coupled thereto are "on-combination". In the combination-changing position of the actuator, the sleeves are uncoupled from the dials. A stop mechanism is normally effective to prevent movement of the actuator to the combination-changing position and is rendered ineffective by depressing a plunger. The same stop mechanism holds the actuator at the combination-changing position during changing of the combination.

REFERENCES:
patent: 3597945 (1971-08-01), Feinberg
patent: 3736778 (1973-06-01), Bako
patent: 3800571 (1974-04-01), Heime
patent: 3952561 (1976-04-01), Bako

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