Driving and steering device for a loading platform

Details Driving and steering device for a loading platform Driving and steering device for a loading platform

1974-12-10

1976-03-30

Betts, Kenneth H.

Motor vehicles

Special wheel base

Five or more wheels

180 52, 180119, 280 4323, B60P 100, B62D 5904, B60V 300

Patent

active

039468232

ABSTRACT:
A low profile air cushion loading platform is provided with a driving and steering device comprising a plurality of laterally spaced steering boxes located under the platform. Each steering box includes a plurality of wheel members adapted to be driven by motors about horizontal axes of rotation, with the wheel members and their driving motors being located within a ball race and rotatable with said ball race as a unit about a vertical axis. The ball race has gear teeth which cooperate with a driving gear operated by an electrohydraulic steering system to rotate the ball races of different ones of the steering boxes through different angles respectively during the steering operation, to cause the wheel members of all the steering boxes to be driven along arcs having a common center of curvature.

REFERENCES:
patent: 1106217 (1914-08-01), Hoag
patent: 1190194 (1916-07-01), Schleicher
patent: 1267503 (1918-05-01), Blocher
patent: 3154162 (1964-10-01), McCaleb et al.
patent: 3280931 (1966-10-01), Cahill et al.
patent: 3404746 (1968-10-01), Slay
patent: 3680653 (1972-08-01), Murata et al.
patent: 3693741 (1972-09-01), Scheuerle

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