B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
180/3
B62D 11/02 (2006.01)
Patent
CA 1064402
ABSTRACT OF THE DISCLOSURE A front-end loader having a hydrostatic drive means. The front-end loader is characterized by a pair of stanchions at the rear of the body and loader arms pivotally mounted to the stanchions projecting forwardly and downwardly on opposite sides of the operator's seat terminating at a material handling member at the lower front of the body. Means is provided for lifting the loader arms and tilting the material handling member. Two hydrostatic transmission units each consisting of a variable displacement pump and a fixed (or variable) displacement hydraulic motor serve to drivingly connect the engine with the respective wheels on each side of the body. The power system is of modular design and includes the following modular com- ponents: engine, transfer case, two hydrostatic transmissions (each including a variable displacement pump and a fixed (or variable) displacement hydraulic motor both of the swash plate type),and gear reduction unit for each of the transmissions. The disclosure also includes an adjustable linkage for indepen- dently tilting the swash plate to vary the displacement of each hydraulic pump. The adjustability relates to varying the rate at which the pump displacement is changed per increment of movement of a control lever which actuates the linkage. The combination of this hydrostatic drive and loader structure is not disclosed by the prior art.
224390
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