Railway rolling stock – Special car bodies – Dumping
Patent
1979-05-14
1981-02-03
Beltran, Howard
Railway rolling stock
Special car bodies
Dumping
49428, 105299, 105304, 222512, 308 36, B61D 720, B61D 722, B61D 726, F16C 2900
Patent
active
042481589
ABSTRACT:
An outlet assembly for application to hoppers of railroad hopper cars and the like, and slidably mounting a gate for movement between open and closed positions, in which the gate slideway is defined by trackway forming members disposed at either side edge of and across the mid portion of the gate outlet port, and having the respective load supporting surfaces each lined with a special liner formed from an ultra high molecular weight polymeric material that is of dry self lubricating characteristics. The gate side edges ride on the liners of the track forming members at the respective side edges of the outlet port, and the respective gate side edges and the liners supporting same cooperate to effect a bulk material seal at the respective side edges of the gate. The liner across the mid portion of the outlet assembly outlet port is mounted for limited lost motion movement relative to the gate and cooperates with a stop forming abutment to provide a gate break away action when the gate is opened under loaded conditions.
REFERENCES:
patent: 472003 (1892-03-01), Snyder et al.
patent: 2989931 (1961-06-01), Juy
patent: 3127852 (1964-04-01), Beauchamp
patent: 3635170 (1972-01-01), Chierici
patent: 4006692 (1977-02-01), Chierici
Chierici Osvaldo F.
Murphy Richard F.
Beltran Howard
Holland Company
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