Land vehicles – Wheeled – Running gear
Patent
1992-05-28
1993-08-24
Focarino, Margaret A.
Land vehicles
Wheeled
Running gear
74499, B62D 306
Patent
active
052382575
ABSTRACT:
A rear wheel steering device comprising an input shaft which rotates about an axis oriented from front to rear in response to a steering angle of front wheels, a screw shaft which is united with the input shaft and has an axis eccentrically arranged with the axis of the input shaft, a nut which is meshed with the screw shaft, a rack formed on the nut, and a pinion meshed with the rack and connected to the nut. The pinion is supported in a manner that it is rotatable about a substantially vertical axis and movable in the rightward and leftward transverse direction. The pinion is meshed with a rear wheel steering rack. The rotation of the input shaft causes the screw shaft to rotate and whirl. In response to the rotation and the whirling motion of the screw shaft, the rear wheel steering rack moves in the rightward and leftward transverse direction. The rear wheels are steered by the transverse movement of the rear wheel steering rack.
REFERENCES:
patent: 4249456 (1981-02-01), Luchel et al.
patent: 4295657 (1981-10-01), Sano et al.
patent: 4614351 (1986-09-01), Sano et al.
patent: 4758012 (1988-07-01), Ogura et al.
patent: 4779880 (1988-10-01), Hyodo
patent: 5020812 (1991-06-01), Sugiyama
Matsushita Shigehisa
Sano Osamu
Dickson Paul
Focarino Margaret A.
Koyo Seiko Co. Ltd.
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