WHEEL UNIT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 18, 2008
app pub date -
Sep 28, 2007
filing date -
Jun 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A wheel unit includes a wheel and a pressure adjusting device installed on the wheel to adjust the pressure in the tire. The pressure adjusting device includes a cylinder and a piston provided in the cylinder. The piston moves in the cylinder by centrifugal force generated by rotation of the wheel so that air introduced into the cylinder from the outside is injected to an internal space of the tire. The wheel includes a mounting hole, which extends in the radial direction of the wheel and opens to the internal space of the tire. The pressure adjusting device is installed in the mounting hole such that the moving direction of the piston agrees with the radial direction of the wheel and that the pressure adjusting device is not exposed to the outside from an outer surface of the wheel except in the internal space of the tire.
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