Hopper discharge door operating mechanism

Details Hopper discharge door operating mechanism Hopper discharge door operating mechanism

1979-03-27

1980-09-16

Bertsch, Richard A.

Railway rolling stock

Special car bodies

Dumping

B61D 702, B61D 718, B61D 726

Patent

active

042223342

ABSTRACT:
An operating mechanism for sequentially opening and closing hopper discharge door is provided. Longitudinally extending gates are arranged in pairs and are suspended from the hopper by hinge links at one end and by an operator arm located near the center of each gate. A hopper-mounted rotating link is attached to one operator arm and a hopper-mounted bell crank is attached to the other operator arm; both the rotating link and the bell crank are interconnected to sequentially operate the doors. A power cylinder and linkage are connected with the bell crank for automatically opening and closing the doors.

REFERENCES:
patent: 1294051 (1919-02-01), Clark
patent: 1421439 (1922-07-01), Finckh
patent: 3314558 (1967-04-01), Dorey
patent: 3339500 (1967-09-01), Dorey
patent: 3385231 (1978-05-01), Dorey
patent: 3452886 (1969-07-01), Dorey
patent: 3633515 (1972-01-01), Shaver et al.
patent: 3650221 (1972-03-01), Nagy
patent: 3717109 (1973-02-01), Miller

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