Electrically controlled lock

Details Electrically controlled lock Electrically controlled lock

1987-03-16

1988-07-05

Wolfe, Robert L.

Locks

Special application

For control and machine elements

70277, 70278, E05B 4900

Patent

active

047546255

ABSTRACT:
The knob spindle of a door lock is locked by a locking element supported for movement about an axis parallel to the spindle axis, and a latch, also supported for movement about an axis parallel to the spindle axis, latches the locking element in both locking and unlocking positions. Spring means urge the latch into latching position. Electromagnets are energized sequentially to move the latch into unlatching position and the locking element into unlocking position.

REFERENCES:
patent: 3894417 (1975-07-01), Taniyama
patent: 3939315 (1976-02-01), Schlage
patent: 3967846 (1976-07-01), Schlage
patent: 4148092 (1979-04-01), Martin
patent: 4457148 (1984-07-01), Johansson
patent: 4603564 (1986-08-01), Kleinhanj
patent: 4633687 (1987-01-01), Fane
patent: 4640110 (1987-02-01), Fish
patent: 4641868 (1987-02-01), Mirom

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