Double-wishbone-type front wheel suspension system

Details Double-wishbone-type front wheel suspension system Double-wishbone-type front wheel suspension system

1991-10-31

1993-09-21

Graysay, Tamara L.

Land vehicles

Wheeled

Running gear

280675, 280691, B60G 320

Patent

active

052462455

ABSTRACT:
A double-wishbone type suspension system includes a hub carrier for rotatably supporting a front wheel of a vehicle, and upper and lower link devices for connecting upper and lower ends of the hub carrier to a vehicle body, respectively. The upper link device is connected to the vehicle body and the hub carrier at first and second connecting points, respectively. The lower link device includes a link element to be applied with a steering force such that the hub carrier is rotated about a kingpin axis which passes a point between the upper and lower ends of the hub carrier. The suspension system has a novel geometrical arrangement such that, in the case of a front wheel which is situated on outer side with reference to a cornering center, the second connecting point is caused during a steering operation to move along an arcuate path about the first connecting point so that the kingpin axis is tilted inwardly. During a steering operation, the front wheel has a camber characteristic which exhibits a negative camber tendency while minimizing a force component tending to lift the front wheel to ensure a natural steering feel.

REFERENCES:
patent: 4948161 (1990-08-01), Tonomura
patent: 5048860 (1991-09-01), Kanai et al.
patent: 5094472 (1992-03-01), Oyama et al.
patent: 5102159 (1992-04-01), Sato et al.

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