Power lawnmower with hydrostatic drive

Details Power lawnmower with hydrostatic drive Power lawnmower with hydrostatic drive

1987-06-17

1988-11-29

Hart, Douglas

Harvesters

Motorized harvester

With selective control of drive means

56 113, 56 118, A01D 6906

Patent

active

047871954

ABSTRACT:
A self-propelled lawnmower having a hydrostatic transmission and a differential mechanism to power the rear drive wheels which are situated behind a forward mowing deck. The hydrostatic drive has infinitely variable adjustment of speed from reverse, through neutral, to a maximum forward speed. There are independently actuated disc brakes for the rear drive wheels, with right and left brake levers situated adjacent the operator hand grips. The engine is situated with its center of gravity behind the drive wheel shaft to balance the weight of the mowing deck. The operator can control the speed and direction of the mower without removing his hands from the hand grips. By selecting actuation of the disc brakes, the machine can be effortlessly turned without a reduction in speed.

REFERENCES:
patent: 2689620 (1954-09-01), Hainke
patent: 3742685 (1973-07-01), Lian
patent: 4326368 (1982-04-01), Hoff
patent: 4558558 (1985-12-01), Horner

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