Four wheel steering tractor having a mid-mount mower

Details Four wheel steering tractor having a mid-mount mower Four wheel steering tractor having a mid-mount mower

1989-02-10

1990-12-18

Britts, Ramon S.

Harvesters

Motorized harvester

Including motorized vehicle causing transit of harvester

56DIG22, 180234, 180236, 280 91, 280 99, A01D 3466, B62D 700

Patent

active

049777335

ABSTRACT:
A four wheel steering tractor comprising a grass cutting system vertically movably mounted in a lower space of the tractor between front and rear wheels. The grass cutting system carries gauge wheels disposed at opposite lateral sides in rear regions thereof. An interlocking structure between a steering wheel and the front and rear wheels includes a front drag link extending from a pitman arm toward the left (or right) front wheel, and a rear drag link extending from the pitman arm toward the right (or left) rear wheel. This interlocking structure places the center of tractor turning approximately on a straight line extending through the gauge wheels and adjacent one of the gauge wheels.

REFERENCES:
patent: 3063226 (1962-11-01), Pfauser
patent: 3118266 (1964-01-01), Colburn
patent: 3198541 (1965-08-01), Christenson et al.
patent: 3874150 (1975-04-01), Boeck
patent: 4671376 (1987-06-01), Ito et al.

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