Trailer door lock system

Details Trailer door lock system Trailer door lock system

1985-09-23

1986-12-09

Wolfe, Robert L.

Locks

Special application

For closures

292207, 292218, 292337, 292DIG32, E05C 314, E05B 6514

Patent

active

046272488

ABSTRACT:
A lock device for a hinged cargo door of a truck trailer has a housing with a vertically extended groove in one side wall for receiving the rotatable cargo door lock bar. A transversely extended lock pin in the housing is transversely movable through an opening in the same side wall for insertion into a registered hole in the cargo door lock bar in the locked position thereof. Transverse movement of the lock pin is controlled by a simple lock mechanism including a key operated lock shaft having a rocker arm rotatable therewith and having a free end connected to the lock pin for transverse movement of the lock pin in response to rotation of the lock shaft.

REFERENCES:
patent: 1579107 (1926-03-01), Hanle
patent: 2083796 (1937-06-01), Schlage
patent: 3197247 (1965-07-01), Russell
patent: 3815390 (1974-06-01), Stoia
patent: 4023388 (1977-05-01), Morvai
patent: 4057273 (1977-11-01), Carr
patent: 4136540 (1979-01-01), Coralli et al.
patent: 4157653 (1979-06-01), Dohanyos
patent: 4565079 (1986-01-01), Smith

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