Railway hopper car with bottom door discharge mechanism

Details Railway hopper car with bottom door discharge mechanism Railway hopper car with bottom door discharge mechanism

1975-06-27

1976-11-30

Kunin, Stephen G.

Railway rolling stock

Special car bodies

Dumping

105299, 105304, 214 58, 214 63, B61D 730

Patent

active

039942384

ABSTRACT:
A bottom door discharge mechanism for a railway hopper car includes a bell crank arm for each of the doors located in pairs at the bottom of the hopper. The arms are tripped from track side cams on opposite sides of the car for movement to open and closed positions. A safety locking mechanism is provided which during transit positively locks the arms against rotation to an open position. The locking mechanism includes arms or cam followers which are actuated from the track side opening cam thereby disengaging said locking mechanisms just prior to engagement of a second cam follower with said track side cam whereupon the bell crank levers are actuated to move the doors to their open position.

REFERENCES:
patent: 3452886 (1969-07-01), Dorey
patent: 3459317 (1969-08-01), Shaver
patent: 3474920 (1969-10-01), Miller
patent: 3872796 (1975-03-01), Adler et al.
B555,772, Jan. 1976, Miller, 214/58.

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