Motor vehicles – Having at least one wheel both driven and steerable – Steerable wheel has exclusive axis of pivot
Patent
1986-11-07
1989-01-17
Mitchell, David M.
Motor vehicles
Having at least one wheel both driven and steerable
Steerable wheel has exclusive axis of pivot
74391, 74424, 180255, B60K 1730
Patent
active
047982608
ABSTRACT:
A steering apparatus for a front wheel drive tractor comprising, at each of opposite lateral sides thereof, a front axle, a front axle case housing the front axle, a kingpin, a transmission case provided in an outer end region of the front axle case to be pivotable about the kingpin, and a front wheel attached to the transmission case and including a hub shaft. The kingpin is operatively connected to the front axle through a bevel gear transmission, and the hub shaft is operatively connected to the kingpin through a bevel gear transmission and a planetary reduction mechanism. The front wheel has a substantially zero camber angle, and the kingpin is inclined such that a lower portion of the transmission case disposed inwardly with respect to a center of the tractor is substantially contained inside a rim of the front wheel.
REFERENCES:
patent: 4516654 (1985-05-01), Nishihara
Kitao Yuichi
Nakata Masaru
Diederiks, Jr. Everett G.
Greigg Edwin E.
Kubota Ltd.
Mitchell David M.
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