Locks – Operating mechanism – Combination
Patent
1980-07-11
1982-07-27
Wolfe, Robert L.
Locks
Operating mechanism
Combination
70318, E05B 3702
Patent
active
043411010
ABSTRACT:
A dial and sleeve type combination lock is provided with a shift member to move the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift member includes a manual actuator portion extending through an opening in the face plate of the lock. Axial movement of the sleeves out of coupling engagement with the respective dials is effected through a camming action by moving the manual actuator portion in the opening axially in the opposite direction to the direction of movement of the sleeves.
REFERENCES:
patent: 2163852 (1939-06-01), Pond
patent: 3555860 (1971-01-01), Atkinson
patent: 3720082 (1973-03-01), Feinberg et al.
patent: 3766758 (1973-10-01), Heine et al.
patent: 3800571 (1974-04-01), Heine
patent: 4048821 (1977-09-01), Bako et al.
patent: 4123923 (1978-11-01), Bako
Presto Lock, Inc.
Wolfe Robert L.
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