Vehicle with improved steering system device

Details Vehicle with improved steering system device Vehicle with improved steering system device

1979-12-17

1982-03-23

Pekar, John A.

Motor vehicles

Steering by driving

Combined with manual steering

180 648, B62D 1104

Patent

active

043208100

ABSTRACT:
A steering assist device for a vehicle of the type having a pair of drive wheels in which steering is accomplished by applying differential hydraulic flow to the drive wheels and a non-driven castor wheel. The steering assist device includes a power cylinder for rotating the non-driven castor wheel about a vertical axis, a device for sensing or providing access to the hydraulic pressure driving the drive wheels and a control device for controlling the actuation of the power cylinder in response to the hydraulic pressure driving the drive wheels in such a way that the non-driven castor wheel is rotated to assist the drive wheel being driven by the greater hydraulic pressure.

REFERENCES:
patent: 2651377 (1953-09-01), Lapsley et al.
patent: 3584537 (1971-06-01), Schulz
patent: 4077490 (1978-03-01), Casterton et al.

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