Fluid pump control system for a tractor

Details Fluid pump control system for a tractor Fluid pump control system for a tractor

1979-08-01

1980-12-02

Husar, C. J.

Machine element or mechanism

Control lever and linkage systems

Resilient connections

60469, 74501R, 417222, G05G 100

Patent

active

042364221

ABSTRACT:
A fluid pump control for a tractor having a fluid pump controlled by an operator's handle connected to the pump by force-responsive members which do not transmit the pump vibration to the handle. The control is for a tractor transmission driven through a variable displacement pump which inherently develops vibrations. The handle is a pivotally mounted lever and the connections between the handle and the pump are four cables, and two intervening compression springs, all for transmitting the force on the lever to the pump while avoiding transmitting the pump vibrations back to the lever. The springs also are arranged with the cables to automatically return the pump to a neutral position when the operator releases hand force on the lever.

REFERENCES:
patent: 2424198 (1947-07-01), Tauscher
patent: 2515274 (1950-07-01), Stevenson
patent: 2921481 (1960-01-01), Phelan
patent: 3016760 (1962-01-01), Wrighton et al.
patent: 3188878 (1965-06-01), Chelminski et al.
patent: 3388821 (1968-06-01), White, Jr.
patent: 3446502 (1969-05-01), Damron et al.
patent: 3614273 (1971-10-01), Wallace
patent: 3635365 (1972-01-01), Bauer
patent: 3788438 (1974-01-01), Reno

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