Electrically controlled type cylinder for locks

Details Electrically controlled type cylinder for locks Electrically controlled type cylinder for locks

1987-11-23

1989-01-17

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

70277, E05B 4700

Patent

active

047980680

ABSTRACT:
In a cylinder for locks having an outer barrel and an inner cam with a keyhole. In order to lock the movement of the inner cam, a pin is provided in the outer barrel and the pin is engaged into a hole defined in the inner cam to lock the inner cam. The pin is urged by a spring so as to eject the pin from the hole and the pin is inserted into the hole by a driving mechanism utilizing a manual force. The engaging state of the pin with respect to the hole is held by a hold mechanism without any electric power consumption. The hold mechanism is responsive to an electric signal to release the engaging state between the pin and the hole.

REFERENCES:
patent: 1695518 (1928-12-01), Watson
patent: 3690538 (1972-06-01), Curry
patent: 4603564 (1986-08-01), Kleinhany
patent: 4712390 (1987-12-01), Clarkson

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