Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1993-05-17
1994-03-29
Focarino, Margaret A.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
180156, 180 794, 280117, B62D 500
Patent
active
052976483
ABSTRACT:
A steering mechanism for a tractor having a transverse axle with pivotally movable steering wheels and a laterally shiftable chassis is disclosed wherein a first tie rod interconnects the steering arms of the opposing steerable wheels to couple the movements thereof and a second tie rod interconnects the chassis and the first tie rod to couple the laterally shifting movements of the chassis to the pivotal movements of the steerable wheels. The second tie rod is selectively re-positionable to the transverse axle to disassociate the lateral shifting movements of the chassis from the pivotal movements of the steerable wheels, thereby allowing a selection between a compound steering operation and a conventional-type simple steering operation.
REFERENCES:
patent: 1733544 (1928-08-01), Langdon
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patent: 3016987 (1962-01-01), Williamson
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patent: 3063173 (1962-11-01), Wardle
patent: 3370670 (1968-02-01), Love
patent: 4771851 (1988-09-01), Nystuen
patent: 5046577 (1991-09-01), Hurlburt
patent: 5129477 (1992-07-01), Hurlburt
Hansen Charles A.
Hurlburt Joseph C.
Focarino Margaret A.
Ford New Holland Inc.
Hurley Kevin T.
Miller Larry W.
Seemar Frank A.
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