Compound steering apparatus for tractors

Details Compound steering apparatus for tractors Compound steering apparatus for tractors

1991-03-05

1992-07-14

Marmor, Charles A.

Motor vehicles

Having at least one wheel both driven and steerable

With driven axle, mounting two or more wheels, swingable...

180266, 180156, 280 97, 280 98, B60K 1730

Patent

active

051294770

ABSTRACT:
A steering mechanism for improving the turning radius of a tractor is disclosed wherein the wheels are turned relative to the steering axle simultaneously with a pivotal movement of the steering axle relative to the chassis of the tractor. A connecting link interconnects the pivot mechanism pivotally supporting the steering axle relative to the chassis with the steering mechanism such that a manipulation of the steering mechanism to affect a turning of the wheels affects a pivotal movement of the steering axle in the same direction the wheels are being turned. The pivot mechanism allows for pivotal movement of the steering axle about longitudinally extending horizontal axis in addition to the pivotal movement of the steering axle about a generally vertical axis relative to the chassis. A lost motion linkage interconnecting the pivot mechanism and the steering axle accommodates differences in arcuate movements due to the pivot mechanism and the steering axle pivotally moving about longitudinally spaced pivot centers.

REFERENCES:
patent: 1733544 (1929-10-01), Langdon
patent: 3016987 (1962-01-01), Williamson
patent: 3027963 (1960-07-01), Nicholson
patent: 3370670 (1968-02-01), Love
patent: 4771851 (1988-09-01), Nystuen et al.
patent: 5046577 (1991-09-01), Hurlburst

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