Steering apparatus for a vehicle of the type having revolving up

Details Steering apparatus for a vehicle of the type having revolving up Steering apparatus for a vehicle of the type having revolving up

1975-12-12

1976-11-09

Betts, Kenneth H.

Motor vehicles

Steering by driving

Controlled from rotatably mounted superstructure

180 648, 180 666, B62D 1102

Patent

active

039905276

ABSTRACT:
A steering apparatus for a vehicle of the type having a revolving upper body with respect to a lower body thereof in which a directional control valve is provided in a hydraulic circuit to maintain the same steering control when upper body of the vehicle is rotated to 180.degree.. The apparatus comprising a pair of valves for steering, a pair of steering pedal connected to said pair of valves, a directional control valve connected to said pair of valves through hydraulic conduits for right and left steering, a cam provided at around revolving center of the lower body of the vehicle, a switch connected to the directional control valve and, a rocking lever provided on the upper body of the vehicle.

REFERENCES:
patent: 2380619 (1945-07-01), Terrill
patent: 3312318 (1967-04-01), Ryan
patent: 3489235 (1970-01-01), Watson
patent: 3494439 (1970-02-01), Kline
patent: 3774707 (1973-11-01), Bridwell

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