Non-contact automatic latch lock

Details Non-contact automatic latch lock Non-contact automatic latch lock

1987-11-09

1989-09-19

Wolfe, Robert L.

Locks

Special application

For closures

70277, E05B 6506

Patent

active

048669610

ABSTRACT:
A non-contact automatic latch lock mainly composed of magnet coil, counter, micro-switch, counter, magnetic induction switch, lock mandrel locating plate, axial rod locating plate, brake lever and lock mandrel control axle, wherein by means of first magnet coil, second magnet coil, counter, micro-switch and magnetic induction switch, lock tongue being able to automatically draw back inside lock body for the opening of door and being able to automatically protrude beyond lock body for the closing of door.

REFERENCES:
patent: 4125008 (1978-11-01), Genest
patent: 4232353 (1980-11-01), Mosciatti
patent: 4573723 (1986-03-01), Morita
patent: 4656850 (1987-04-01), Tabata
patent: 4665727 (1987-05-01), Ujedo
patent: 4744231 (1988-05-01), Takagi

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