Restraint assembly for the hopper door actuator of a rapid disch

Details Restraint assembly for the hopper door actuator of a rapid disch Restraint assembly for the hopper door actuator of a rapid disch

1980-03-10

1981-08-18

Bertsch, Richard A.

Railway rolling stock

Special car bodies

Dumping

105240, 105250, B61D 702, B61D 726, B61D 728

Patent

active

042840112

ABSTRACT:
A restraint assembly for the door-actuating means of a railroad hopper car. The door-actuating means is shifted by the piston of a fluid cylinder between door-closing and door-opening positions. The restraint mechanism comprises a first bracket mounted on the center sill and rotatively supporting a shaft on which a lever is mounted. The free end of the lever is pivotally joined to a first end of a spring assembly. The second end of the spring assembly is pivotally mounted to a second bracket affixed to the center sill. One end of the shaft has a notch formed therein. The door-actuating means has a laterally extending lug. When the door-actuating means is in its retracted door-closing position the restraint assembly will be in an over center restraining condition. Abutment of the door-actuating means lug against the shaft notch will prevent longitudinal shifting of the door-actuating means due to inertia. Shifting of the actuating means by the cylinder to its door-opening position will cause the abutment of the lug and the shaft notch to result in shifting of the restraint assembly to its non-restraining position and the door-actuating means lug no longer abuts the shaft notch. The door-actuating means is free to shift to its door-opening position. When the cylinder is actuated to shift the door-actuating means to its door-closing position, the door-actuating means lug engages the restraint shaft notch causing the assembly to return to its restraining position.

REFERENCES:
patent: 3187684 (1965-06-01), Ortner
patent: 3596609 (1971-08-01), Ortner et al.
patent: 3710729 (1973-01-01), Schuller
patent: 3772996 (1973-11-01), Schuller
patent: 4132177 (1979-01-01), Funk

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