Rear wheel steering apparatus for four-wheel steering vehicle

Details Rear wheel steering apparatus for four-wheel steering vehicle Rear wheel steering apparatus for four-wheel steering vehicle

1993-08-26

1995-01-17

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74104, 180140, 280 91, B62D 504, B62D 304

Patent

active

053817052

ABSTRACT:
A crank spindle formed with an eccentric pin at one end thereof is pivotally supported by bearings within a casing. The crank spindle is driven by a motor and a worm mechanism. A cross pin member formed with an upper axle and a lower axle is pivotally fitted to the eccentric pin of the crank spindle. An upper holder is fitted to the upper axle of the cross pin member and a lower holder is fitted to the lower axle thereof. A steering bar is fastened to the lower holder. When the eccentric pin is pivoted by the motor and the worm mechanism, since the cross pin member is pivoted, the upper and lower holders are also pivoted to shift the steering bar in the horizontal direction. The rear wheel steering apparatus can be installed within a small space.

REFERENCES:
patent: 4779880 (1988-10-01), Hyodo
patent: 5078018 (1992-01-01), Saita et al.
patent: 5131485 (1992-07-01), Io et al.

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