Hopper outlet having vertically movable door bearing

Details Hopper outlet having vertically movable door bearing Hopper outlet having vertically movable door bearing

1977-10-26

1980-07-29

Beltran, Howard

Railway rolling stock

Special car bodies

Dumping

105282A, 105305, 105424, B61D 720, B61D 722, B61D 726

Patent

active

042145368

ABSTRACT:
In accordance with the present invention a hopper outlet is provided including transversely spaced, fixed racks on opposite sides of the outlet which extend longitudinally away from the outlet. At least one door bearing is attached to the outer end of a generally horizontally moving outlet gate. A ramp including an inclined cam surface is located below the inner outlet end wall. U-shaped elastomeric seals extend below the outlet sides and end walls and the lower leg of the seal engages the gate. A transversely extending pinion shaft includes pinions which ride upon the racks in moving between open and closed position. The pinion shaft extends through a slot in the door bearing. The slot is elongated vertically to allow vertical movement of the gate and the door bearing relative to the pinion shaft as the gate is ramped upwardly into closed position and downwardly into open position.

REFERENCES:
patent: 743504 (1903-11-01), Hart
patent: 1014768 (1912-01-01), Meissner
patent: 2738735 (1956-03-01), Zimmer
patent: 2738739 (1956-03-01), Dorey
patent: 3138116 (1964-06-01), Dorey
patent: 3255714 (1966-06-01), Dorey
patent: 3495549 (1970-02-01), Dorey
patent: 3626866 (1971-12-01), Fritz
patent: 3631813 (1972-01-01), Dorey
patent: 3807318 (1974-04-01), Chierici
patent: 3877392 (1975-04-01), Akester et al.

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