Quick adjustment for straight ahead travel for a wheel-steered l

Details Quick adjustment for straight ahead travel for a wheel-steered l Quick adjustment for straight ahead travel for a wheel-steered l

1997-03-20

1998-10-20

Melius, Terry Lee

Harvesters

Motorized harvester

With selective control of drive means

56 108, 56 167, 56 135, A01D 6900

Patent

active

058229612

ABSTRACT:
An apparatus is provided for quickly adjusting a dual hydraulically powered, wheel-steered lawn mower to achieve straight line travel when steered to the straight ahead position. Right and left hydraulic pump controls interconnect the speed control of the mower to right and left hydraulic pumps which are fluidly connected to right and left hydraulic motors which drive right and left drive wheels on the mower. The left hydraulic pump control is length adjustable and is maintained in a set position by a pair of jam nuts. The right hydraulic pump control also includes a length adjustable rod, but the same is length adjustable through the use of an adjustment knob which may be quickly adjusted while the mower is moving. The output of the right hydraulic pump may be adjusted by means of the right hydraulic pump control so that the output of the right hydraulic pump may be varied with respect to the left hydraulic pump so that the mower will move ahead in a straight line manner.

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