Vehicle with bogie-mounted wheels and raising device for a pair

Details Vehicle with bogie-mounted wheels and raising device for a pair Vehicle with bogie-mounted wheels and raising device for a pair

1980-03-17

1982-04-13

Song, Robert R.

Land vehicles

Wheeled

Running gear

280681, 280704, B60G 1130

Patent

active

043244173

ABSTRACT:
A vehicle such as a dumper with articulated steering has a load-carrying portion supported by two wheel-pairs mounted on bogies. One wheel-pair can be raised from the ground while the other, still on the ground, has softer suspension. In a vehicle with its two portions relatively swingable around a longitudinal axis, the two wheels on the ground are coupled so as to move relatively identically in relation to the vehicle frame. With one wheel-pair raised and the other suspended, the vehicle is still laterally stable. Spring suspension is obtained by tipping the bogies using a mechanism actuated by a hydraulic cylinder with a gas accumulator attached to the feeder line of the hydraulic cylinder. Gas spring suspension thus occurs only when one wheel-pair is raised.

REFERENCES:
patent: 2999695 (1961-09-01), Bixby
patent: 3175841 (1965-03-01), Smith
patent: 3366399 (1968-01-01), Hunger
patent: 3499663 (1970-03-01), Hedlund
patent: 3992039 (1976-11-01), Hiruma
patent: 4165884 (1979-08-01), Allison

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