Radio operated latch dead-bolting system

Details Radio operated latch dead-bolting system Radio operated latch dead-bolting system

1978-11-20

1981-06-02

Lyddane, William E.

Locks

Special application

For closures

70265, 70282, E05B 6314

Patent

active

042703700

ABSTRACT:
A container locking system for vending machines, buildings, vehicles, or other containers comprising a door latch, a primary door lock assembly locking and controlling the latch, and a radio lock assembly comprising a radio transmitter, a radio receiver inside of the container, a solenoid operated when the receiver receives a signal from the transmitter, and a dead-bolt operated by the solenoid and preventing unlatching of the door latch except at times when the solenoid is operated by the transmitter whereby a thief who has a way of opening the door lock without force cannot open the door without noticeable forcible entry.

REFERENCES:
patent: 1152776 (1915-09-01), Wolfe et al.
patent: 1670277 (1928-05-01), Albach
patent: 2153088 (1939-04-01), Knell
patent: 2729089 (1956-01-01), Pelcin
patent: 3725939 (1973-04-01), Saltzstein
patent: 3919869 (1975-11-01), Fromm
patent: 3953991 (1976-05-01), Grossman
patent: 3996591 (1976-12-01), Hayward

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