Wheel-support assembly for rolling and stepping vehicles, especially cranes, excavating machinery and the like
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United States of America Patent
Stats
-
Dec 30, 1980
Grant Date -
N/A
app pub date -
Feb 23, 1979
filing date -
Feb 22, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wheel support (outrigger) for a rolling and stepping vehicle, especially a crane, excavator or like agricultural, industrial or construction machine in which a leg carries a wheel and is, in turn, connected by a parallelogrammatic linkage to a knuckle which articulates the parallelogrammatic linkage to the vehicle chassis. A further knuckle is provided between the wheel or its leg and the parallelogrammatic linkage. The wheel-carrying outrigger is swingable in a vertical plane while the first knuckle is provided with a vertical pivot axis on the chassis. The outrigger is also provided with an actuating device, preferably a fluid-powered cylinder, which swings the outrigger.
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