Load booster wheel assembly

Details Load booster wheel assembly Load booster wheel assembly

1978-01-09

1979-08-28

Bertsch, Richard A.

Motor vehicles

Special wheel base

Five or more wheels

280112R, B60G 2100

Patent

active

041657926

ABSTRACT:
The rear end of the truck frame carries a load boosting wheel assembly. The wheels are mounted on a transverse axle which is supported by a forwardly extending wishbone, the front of which has a ball and socket connection to a depending support bracket. The rear portion of the wishbone is guided for vertical movement between the load carrying position and an elevated position. The wheels are actuated to the downward position by air pressure inside the air bag assembly mounted between the wishbone and the frame. The midsection of the air bag assembly is provided with a rigid annulus which is contained to linear motion.

REFERENCES:
patent: 2599043 (1952-06-01), Bissell
patent: 3197237 (1965-07-01), Smith
patent: 3617072 (1971-11-01), Turner, Jr.
patent: 3713663 (1973-01-01), Granning
patent: 4053170 (1977-10-01), Hyler et al.

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