Hopper car gate opener and method of operating a hopper car gate

Details Hopper car gate opener and method of operating a hopper car gate Hopper car gate opener and method of operating a hopper car gate

1983-10-11

1985-06-11

Spar, Robert J.

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

105286, B65G 6724

Patent

active

045225451

ABSTRACT:
A hopper car gate opener comprising an elongated member having opposed flanges defining a fixed track; a trolley element mounted on the track supported by and movable along a top surface of each flange; and a portion of the trolley element underlaying and spaced from a bottom surface of each flange. A torque producing unit is mounted on the trolley element and is operable to generate a twisting moment in a predetermined rotational direction to drive a pinion of the gate. A method of operating the discharge gates of a hopper car having a plurality of gates where the gates are under control of rack and pinion sets individual thereto; providing a flanged track disposed generally parallel to the longitudinal axis of the car; mounting a trolley upon and movable along the track; and mounting a torque producing unit upon the trolley. The method additionally comprises positioning the trolley along the track so that the torque unit is aligned with the pinion, and connecting the torque unit to the pinion by means of an elongated shaft so that torque applied to the shaft drives the pinion which, in turn, drives the rack to operate the gate.

REFERENCES:
patent: 2393932 (1946-01-01), Petroe
patent: 2623476 (1952-12-01), Corrigan et al.
patent: 3187684 (1965-06-01), Ortner
patent: 3419165 (1968-12-01), Haditsch
patent: 3738511 (1973-06-01), Lemon et al.
patent: 3965760 (1976-06-01), Etheredge, Jr.
patent: 4075952 (1978-02-01), Burge

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