Steerable wheel vehicle suspension system

Land vehicles – Wheeled – Running gear

Patent

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Details

280 963, B62D 708

Patent

active

041293169

ABSTRACT:
A steering gear for a vehicle chassis provides first and second steerable wheels journaled on first and second spindle members. The chassis is provided with first and second yoke structures, each of which has an upper arm and a lower arm. The arms of each yoke encompass portions of a separate one of the spindle members. The arms of the first yoke define upper and lower king pin mounting locations which lie along a common first axis. The arms of the second yoke define upper and lower king pin mounting locations which lie along a common second axis. A first pair of king pins are positioned in the mounting locations defined by the arms of the first yoke, and pivotally mount the first spindle member on the first yoke. A second pair of king pins are positioned in the mounting locations defined by the arms of the second yoke, and pivotally mount the second spindle member on the second yoke. Each wheel has a rim which intersects and overhangs the common axis of its associated king pins sufficiently to locate the tread of its associated tire at a location intersecting and overhanging this axis. The mounting locations are arranged such that the first and second axes are inclined at equal degrees from the vertical, and such that the upper mounting location of each pair is positioned rearwardly with respect to the vehicle chassis from its associated lower mounting location. By this arrangement, the first and second axes are inclined forwardly and downwardly and cause the wheels to tilt into a turn to equal degrees to improve the turning characteristics of the vehicle.

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patent: 3096994 (1963-07-01), Primeau et al.
patent: 3632127 (1972-01-01), Grosseau
patent: 3827711 (1974-08-01), Muller

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