Land vehicles – Wheeled – Running gear
Patent
1982-09-30
1984-12-11
Mitchell, David M.
Land vehicles
Wheeled
Running gear
280691, B62D 902
Patent
active
044874294
ABSTRACT:
A vehicle suspension system includes an independent suspension unit for each wheel pivotally secured to the chassis and interconnected with control linkage to simultaneously tilt the wheels into a turn when the vehicle is negotiating a turn. Each of the suspension units includes a generally cylindrical pod having a vertically oriented shaft mounted therein on which is mounted an axle support arm that is adapted to slidably move vertically with respect to the vehicle on the splined shaft and includes a spring of the coil-type disposed within the pod maintaining the axle support arm to the lower position within the pod. The front wheels are adapted to steer on the splined shaft with the spline shaft rotatably mounted within the pod. The rear wheels are adapted to slide only vertically with respect to the splined shaft and the wheel support arms are secured nonrotatably to the nonrotatable shaft. The tilting of the wheels is accomplished by direct gearing and pivotally interconnected linkage with the upper portion of the suspension pods and power assisted by means of hydraulic linear motors that are actuated in response to a tilt control lever on which is mounted the steering wheel of the vehicle. The steering of the front wheels is accomplished by direct gearing and rotatable shafts connected to the splined shaft rotatably mounted in the front suspension units and power assisted by means of a hydraulic linear motor that is activated in response to the rotation of the steering wheel of the vehicle. A support means of antifriction roller bearings fixed to the chassis and rotationally bearing against the forward and rear faces of the front and rear tie links near the suspension units, upper pivotal mounting means stabilizing the suspension units, through the complete tilt travel.
REFERENCES:
patent: 2299926 (1942-10-01), Phelps
patent: 2310821 (1943-02-01), Wimbish
patent: 2998263 (1961-08-01), Muller et al.
patent: 3092397 (1963-06-01), Dullabaun et al.
patent: 3278197 (1966-10-01), Gerin
patent: 3679017 (1972-07-01), Roe
patent: 3741581 (1973-06-01), Patrin
patent: 4191274 (1980-03-01), Goldberg et al.
patent: 4236728 (1980-12-01), Policy et al.
patent: 4274338 (1981-06-01), Uozumi
Mitchell David M.
Weaver Ross
LandOfFree
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