Hydrostatic control - pivot steering

Details Hydrostatic control - pivot steering Hydrostatic control - pivot steering

1974-10-29

1976-07-27

Wood, Jr., M. H.

Motor vehicles

Steering by driving

Independently operable drive motors

180 66R, B62D 900

Patent

active

039714535

ABSTRACT:
A pivot steering vehicle having a pair of hydrostatically operated driving wheels; and motors for driving those wheels which are driven by variable speed, reversible pumps; a control system is provided, having valve means for controlling the pressure applied to the pumps for controlling the speed and direction of the pumps; and cam means is provided which, in response to turning movements of the steering wheel, reduces the speed of the inside driving wheel, and after a predetermined point in the turning movements of the steering wheel, reverses the direction of that wheel.

REFERENCES:
patent: 2872000 (1959-02-01), Herndon et al.
patent: 3017941 (1962-01-01), Baker
patent: 3125201 (1964-03-01), Fisher
patent: 3523597 (1970-08-01), Lemieux
patent: 3540220 (1970-11-01), Lauck
patent: 3595343 (1971-07-01), Williamson
patent: 3640360 (1972-02-01), Dollase
patent: 3696897 (1972-10-01), Momose
patent: 3715017 (1973-02-01), Jenney
patent: 3757915 (1973-09-01), Momose
patent: 3774736 (1973-11-01), Shin Ito
patent: 3862668 (1975-01-01), Ward

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