B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
142/4, 138/41.14
B62D 11/18 (2006.01)
Patent
CA 1036462
A B S T R A C T A hydrostatic control system for a ground driven vehicle comprises a pair of hydrostatic pumps each controlled by a rotatable arm extending from a servo valve mounted there- on along with a pair of hydrostatic motors each driven by a respective one of the pumps and a pair of ground engaging means each on respective sides of the vehicle. A pair of pump adjusting means, one for each of the pumps, comprises a first crank having a first end and a second end, pivotally mounted intermediate said ends adjacent a respective one of the pumps, a steering linkage pivotally mounted adjacent the first end of the first crank; a connecting link pivotally mounted adjacent a first end thereof adjacent the second end of the first crank; a first linear member pivotally mounted adjacent its first end adjacent a second end of the connecting link and pivotally mounted adjacent its second end to the arm of the servo valve; a second linear member pivotally mounted adjacent its first end adjacent the first end of the first member and the second end of the connecting link and a second crank pivotally mounted adjacent its first end adjacent a second end of the second member. Tying means pivotally mounted adjacent a second end of each of the second cranks directly link their movement.
255112
Caterpillar Tractor Co.
Na
LandOfFree
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