Four-wheel-drive articulated frame steering vehicle

Details Four-wheel-drive articulated frame steering vehicle Four-wheel-drive articulated frame steering vehicle

1977-06-15

1979-01-23

Silverstrim, John P.

Motor vehicles

Steered by walking attendant

180 51, 180 77H, 180 77HT, 180134, 74471R, B62D 5104, B60K 4100

Patent

active

041355920

ABSTRACT:
The disclosure relates to a four-wheel drive articulated frame steering vehicle for material handling in difficult terrain, the vehicle having a control bar assembly which projects ahead of the vehicle and is connected to a valve system for forward and reverse movement and to a valve system for turning to the left and right.

REFERENCES:
patent: 2957534 (1960-10-01), Burdett
patent: 3117649 (1964-01-01), Parton
patent: 3275093 (1966-09-01), Pawl
patent: 3444945 (1969-05-01), Coordes
patent: 3768328 (1973-10-01), Campbell
patent: 3814531 (1974-06-01), Carnahan

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