Rear wheel steerable working vehicle

Details Rear wheel steerable working vehicle Rear wheel steerable working vehicle

1990-10-11

1994-03-22

Focarino, Margaret A.

Motor vehicles

Special wheel base

Having only three wheels

180215, 180252, B60K 1730

Patent

active

052955532

ABSTRACT:
A working vehicle comprises front wheels, steerable rear wheels steerable up to a minimum radius turning region lying in a transverse direction substantially perpendicular to a longitudinal direction of a vehicle body, and a rear wheel control device for steering the rear wheels. A restraining device is provided for preventing the rear wheels from being steered to the minimum radius turning region by the rear wheel control device.

REFERENCES:
patent: 565718 (1896-08-01), Boardman
patent: 3539195 (1970-11-01), Swanson et al.
patent: 4157125 (1979-06-01), Bushell et al.
patent: 4369855 (1983-01-01), Buschbom et al.
patent: 4572316 (1986-02-01), Kanazawa et al.
patent: 4597462 (1986-07-01), Sano et al.
patent: 4674761 (1987-06-01), Kassai
patent: 4697816 (1987-10-01), Kawamoto et al.
patent: 4887686 (1989-12-01), Takei et al.
patent: 4986387 (1991-01-01), Thompson
patent: 5099939 (1992-03-01), Elser et al.

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