Tag axle support for concrete mixer units

Details Tag axle support for concrete mixer units Tag axle support for concrete mixer units

1977-06-13

1979-06-05

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Running gear

280 4323, 280704, B60G 1700

Patent

active

041571886

ABSTRACT:
A tag axle is mounted to the frame at the rear of a vehicle on an articulated linkage which extends downwardly and rearwardly. Springs bias the tag axle and its bearing-supported wheels in an upward direction. The tag axle is actuated downwardly by two air bags, one at each end of the tag axle. The tag axle provides vertical support at the rear of the vehicle through the air bag actuators. The tag axle is guided vertically by means of two upright arms, one at each side of the frame, and including anti-friction roller bearings and associated tracks which permit free vertical movement of the tag axle but prohibit lateral and torsional, and limit differentially vertical, movement of the wheels. A greater vertical movement of the tag axle is permitted because of the location and disposition of the tag axle and associated components, thereby preventing ground-bottoming or ploughing by any component at the rear portion of the vehicle. The total package is lighter and more compact to reduce weight and cost.

REFERENCES:
patent: 2771304 (1956-11-01), LaPere
patent: 2859949 (1958-11-01), Willard
patent: 3019002 (1962-01-01), Prichard
patent: 3111335 (1963-11-01), Hickman
patent: 3286657 (1966-11-01), Browne
patent: 3694001 (1972-09-01), McGee
patent: 3704896 (1972-12-01), Buelow
patent: 3713663 (1973-01-01), Granning
patent: 4082305 (1978-04-01), Allison et al.

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