High lift tag axle for trucks

Details High lift tag axle for trucks High lift tag axle for trucks

1990-01-26

1991-05-28

Bertsch, Richard A.

Motor vehicles

Special wheel base

Five or more wheels

280704, 280 4323, B62D 6112

Patent

active

050185934

ABSTRACT:
A high lift tag axle for a concrete mixer truck or the like is pivotally attached to the rear of the truck through a pair of tag arms each having a lever arm, with a linkage arrangement interconnecting each lever arm to the truck frame, and a hydraulic cylinder connected to said linkage arrangement to align the linkage arrangement in a plane sufficient to lock the lift axle in a downward position where the wheels engage the road surface, and whereby the hydraulic cylinder can pivot as the linkage arrangement sufficient to pivot the tag axle into a position whereby the wheels are raised off of the road surface.

REFERENCES:
patent: 3544127 (1970-12-01), Dobson
patent: 3877715 (1975-04-01), Thayer et al.
patent: 4065153 (1977-12-01), Pringle
patent: 4079798 (1978-03-01), Ferris
patent: 4102424 (1978-07-01), Heinze
patent: 4588201 (1986-05-01), Mohrbacker
patent: 4705133 (1987-11-01), Christenson et al.
patent: 4762421 (1988-08-01), Christenson et al.
patent: 4848783 (1989-07-01), Christenson et al.

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