Truck with steerable rear wheels

Details Truck with steerable rear wheels Truck with steerable rear wheels

1979-05-29

1981-09-01

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Running gear

180 23, 180140, 280 91, 280 99, B62D 704

Patent

active

042867983

ABSTRACT:
A motorized vehicle having both steerable front wheels and driven steerable rear wheels. The front wheel suspension is such that a greater degree of turn is possible. The orientation of the rear wheels relative to the line of travel of the vehicle may be controlled by the operator or alternatively may be automatically oriented to properly track the front wheels. A zero center spool valve is mounted such that proper tracking is assured, an additional change in the front wheel angularity results in the appropriate and necessary change in their rear wheel angularity. The valve body is mounted to change its position in response to orientation of the rear wheels and the spool position is directly related to the orientation of the rear wheels such that appropriate relative positioning of the front wheels centers the spool terminating fluid flow to front wheel orientation controlling cylinders.

REFERENCES:
patent: 2502946 (1950-04-01), Hart
patent: 2532151 (1950-11-01), Dibert et al.
patent: 2560501 (1951-07-01), Webster, Jr. et al.
patent: 2648392 (1953-08-01), Brown
patent: 2906358 (1959-09-01), Tucker, Sr.
patent: 3044795 (1962-07-01), Standing et al.
patent: 3048422 (1962-08-01), Payne et al.
patent: 3237957 (1966-03-01), Harbers
patent: 3380547 (1968-04-01), Granryd
patent: 3591203 (1971-07-01), Steiner
patent: 3740070 (1973-06-01), Butler et al.
patent: 3873129 (1975-03-01), Schmidt
patent: 3981512 (1976-07-01), Westover
patent: 4010816 (1977-03-01), Powell

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