Structure of a running system in a work vehicle

Details Structure of a running system in a work vehicle Structure of a running system in a work vehicle

1981-02-19

1983-05-10

Song, Robert R.

Land vehicles

Body elevation or tilt

Establishing riding or trim height

280 611, 280112R, 280714, B60P 118

Patent

active

043826040

ABSTRACT:
A structure for a running system, in a work vehicle, has right and left running wheels, hydraulic cylinders extensible and retractable in opposition to each other in response to axle-tilting displacement of the wheels as they rise and lower in turn in opposition to each other, a conduit connecting the cylinders with each other with an on-off valve interposed therein to be arbitrarily maneuverable thus to enable the lock up of both cylinders, and, a supply conduit made connectable to the cylinder-connecting conduit. There are provided valves in order to permit oil to be supplied only when inner pressure within this cylinder-connecting conduit has dropped to show negative pressure below a preset threshold.

REFERENCES:
patent: 3184867 (1965-05-01), Symmank
patent: 3396984 (1968-08-01), Cadiou
patent: 4152000 (1979-05-01), Meisel, Jr.
patent: 4152004 (1979-05-01), Schroder
patent: 4170279 (1979-10-01), Pelletier
patent: 4205864 (1980-06-01), Hoefer
patent: 4236591 (1980-12-01), Molby

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