Foot operated latch for hopper cars

Details Foot operated latch for hopper cars Foot operated latch for hopper cars

1976-07-15

1977-12-20

Moore, Richard E.

Closure fasteners

Clamps

Hatch fastener

292DIG4, E05C 304

Patent

active

040637646

ABSTRACT:
A latch mechanism for hatch covers utilized on railway hopper cars comprises a hand or foot operated latch arm which is held in a closed position by a balanced retaining member pivotally mounted on a keeper element. The retaining member includes a nose engaging latch arm for retaining the same in a closed position. The retaining member also includes a foot element disposed below the arm. Sudden downward movement of the arm within the keeper element against the foot element causes the balanced retainer to be swung to an out-of-the-way position whereupon the arm can be unlatched from the keeper.

REFERENCES:
patent: 1338052 (1920-04-01), Voight
patent: 3041099 (1962-06-01), Stewart et al.
patent: 3804026 (1974-04-01), McNally

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