Time lock having releasable carrier latching deadbolt

Details Time lock having releasable carrier latching deadbolt Time lock having releasable carrier latching deadbolt

1979-02-02

1980-09-30

Lyddane, William E.

Locks

Operating mechanism

Predetermined time interval controlled

70267, 70416, E05B 4300

Patent

active

042248140

ABSTRACT:
A time lock for bank vault doors and the like having timer units of the settable dial type, a carrier assembly transversely movable in the housing between a locking position and a release position for locking and releasing a snubber bar blocking mechanism, the timer units having an actuator for engaging and moving the carrier assembly from said locking position to said release position when the dial reaches zero time position. The carrier assembly includes two relatively movable plates having abutment formations to be engaged by each actuator, the abutment formations of one plate extending a short distance ahead of the abutment formations of the other to be first engaged by the actuator and first move the one plate, and a pivoted deadbolt latch lever resiliently biased against a stationary stop for holding the carrier assembly against movement from said locking position and movable out of engagement with said stop upon movement of the one plate by the actuator.

REFERENCES:
patent: 293815 (1884-02-01), Stockwell et al.
patent: 976028 (1910-11-01), Benham
patent: 4062210 (1977-12-01), Uyeda

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