Railway wheel apparatus for a road vehicle
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United States of America Patent
Stats
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Apr 22, 1986
Grant Date -
N/A
app pub date -
Oct 29, 1984
filing date -
Oct 29, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For mounting to the frame of a road vehicle, a railway wheel apparatus comprises an axle, a pair of flanged wheels mounted in spaced relation on the axle, a first pair of laterally spaced toggle structures pivotally connected at the lower ends thereof to the axle, a second pair of spaced toggle structures pivotally connected at one end thereof respectively to the upper ends of the first pair of toggle structures and pivotally connected at the other ends thereof to the frame, so that extension of said toggle structures into substantial alignment with each other effects a downward lowering of the axle and wheels and so that bodily angular movement of the toggle structures effects upward raising of the axle and wheels, and a pair of fluid motors for extending and retracting the toggle structures respectively whereby the wheels are lowered and raised relative to the vehicle frame.
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