Mobile cargo-container lock

Details Mobile cargo-container lock Mobile cargo-container lock

1978-01-12

1979-07-24

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

292150, 292DIG32, E05B 4900

Patent

active

041618700

ABSTRACT:
A method and electro-mechanical device for locking and unlocking mobile cargo-container doors, utilizing a re-settable electronic combination lock arrangement installed within the cargo container, which electro-mechanically retains a special locking pin inserted through a channel in the container door structure, such locking pin being mechanically coupled to the existing latching handle on the door exterior. The locking pin, when retained by the electronic lock mechanism, restricts travel of the container door handle sufficient to prevent opening of the container door. A keyboard array of switches on the exterior of the cargo container, coupled to the electronic lock circuitry on the container interior, must be actuated in pre-selected code sequence to energize the electronic lock mechanism, thus releasing the locking pin and enabling manual movement of the door handle as required to open the container door.

REFERENCES:
patent: 3731963 (1973-05-01), Pond
patent: 3795417 (1974-03-01), Cohen
patent: 3873892 (1975-03-01), Dettling
patent: 3881332 (1975-05-01), Ballew
patent: 4038846 (1977-08-01), Klann
patent: 4082330 (1978-04-01), McAhorter

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