Motorized electronic lock

Details Motorized electronic lock Motorized electronic lock

1993-12-13

1995-12-12

Boucher, Darnell M.

Locks

Operating mechanism

Key

70333R, 70280, 292144, E05B 4702

Patent

active

054739225

ABSTRACT:
A motorized electronic lock is disclosed including an electric motor, a screw powered by the motor, a nut threadedly engaged with the screw and having two extending arms projecting therefrom, one of which arms is a cam follower arm that rides along a cam surface on a cam bracket, and the other of which is a locking arm that is engageable with a slot in a bolt in order to provide a dead-bolting feature for the bolt, and a relocking spring which is either held out of the way of the bolt by a downwardly extending leg of the cam bracket or is biased to a position behind the bolt, blocking the bolt from being able to retract.

REFERENCES:
patent: 4364249 (1982-12-01), Kleefeldt
patent: 4633688 (1987-01-01), Beudat et al.
patent: 4800741 (1989-01-01), Kerschenbaum et al.
patent: 4833465 (1989-05-01), Abend et al.
patent: 4893704 (1990-01-01), Fry et al.
patent: 4926664 (1990-05-01), Gartner et al.
patent: 5033282 (1991-07-01), Gartner et al.
patent: 5078436 (1992-01-01), Kleefeldt et al.
patent: 5246258 (1993-09-01), Kerschenbaum et al.

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