Gravity discharge hopper gate assembly

Details Gravity discharge hopper gate assembly Gravity discharge hopper gate assembly

1990-05-11

1991-10-22

Oberleitner, Robert J.

Railway rolling stock

Special car bodies

Dumping

105424, B67D 560

Patent

active

050585100

ABSTRACT:
A gate assembly for closing and opening a bottom discharge opening of a railway car hopper, the gate assembly comprising upper and lower plates with cooperating wedges thereon wherein the hopper is provided with an elastomeric sealing ring about the discharge opening and the lower plate moves the upper plate evenly upwardly against the sealing ring, the wedges being spread over extensive vertically aligned areas of the plates so that upper plate is urged evenly upwardly into sealing contact about its borders with the sealing ring.

REFERENCES:
patent: 2112698 (1938-03-01), Hull
patent: 2989008 (1961-07-01), Lindstrom
patent: 3100457 (1963-08-01), Dorey
patent: 4785966 (1988-11-01), Waltke

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