Railway hopper car closure actuating mechanism

Details Railway hopper car closure actuating mechanism Railway hopper car closure actuating mechanism

1977-10-28

1980-09-16

Love, John J.

Railway rolling stock

Special car bodies

Dumping

105251, 105307, B61D 702, B61D 718, B61D 726

Patent

active

042223334

ABSTRACT:
A discharge gate arrangement for railroad hopper cars having longitudinally extending discharge openings arranged in a horizontal plane beneath the hopper. Gate members arranged in pairs swing in opposite directions transversely of the car. Each gate member is pivotally hung and attached to an operating mechanism that includes a transversely extending shaft having two oppositely threaded portions. The operating mechanism includes split nuts located on the threaded shaft portions with attached links connected to the gate members in order that rotation of the shaft in one direction moves the split nuts in opposite directions and causes the cooperating gates to open and close simultaneously.

REFERENCES:
patent: 483200 (1892-09-01), Anderson
patent: 1908096 (1933-05-01), Yost
patent: 2927541 (1960-03-01), Lunde
patent: 3145057 (1964-08-01), Taggart
patent: 3173381 (1965-03-01), Charles et al.
patent: 3227100 (1966-01-01), Smith et al.
patent: 3316858 (1967-05-01), Fritz
patent: 3385231 (1968-05-01), Dorey
patent: 3447485 (1969-06-01), Dorey

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