Safe door lock with servo motor operated cam

Details Safe door lock with servo motor operated cam Safe door lock with servo motor operated cam

1996-10-11

1999-01-26

Boucher, Darnell M.

Locks

Operating mechanism

Using a powered device

70303A, 70333R, 70475, E05B 4900

Patent

active

058626921

ABSTRACT:
A safe door lock with a servo motor operated cam is described. A retracting lever is pivotally secured to the locking bolt and is displaced on a pivot connection with the bolt by the cam. The position of the cam and the bolt are detected by microswitches. When the retracting lever is in a locking position, the bolt cannot be retracted within the lock housing. The cam is operated by a servo motor and locked in position by the gear train which includes a worm gear. The locking bolt may be a slam bolt having a spring biased latch which slides therewith or the locking bolt may be a deadbolt when the lock is used with a boltwork system of a vault door.

REFERENCES:
patent: 3733861 (1973-05-01), Lester
patent: 4135377 (1979-01-01), Kleefeldt et al.
patent: 4148092 (1979-04-01), Martin
patent: 4438962 (1984-03-01), Soloviff et al.
patent: 4455552 (1984-06-01), Greiner et al.
patent: 4745784 (1988-05-01), Gartner
patent: 5249831 (1993-10-01), Maniaci
patent: 5542272 (1996-08-01), Heinemann
patent: 5592838 (1997-01-01), Clark

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