Coaxial structure for a wheel set
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United States of America Patent
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Issued Date -
Mar 15, 2007
app pub date -
Sep 13, 2005
filing date -
Sep 13, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A coaxial structure for a wheel set includes a main wheel, a pair of side wheels and a wheel frame. The side wheels are coupled to respective sides of the main wheel. The main wheel and the side wheels comprise through holes at the center. Each side wheel comprises a recess at one side with a washer seating in the recess. The wheel frame has an axle to insert through the through holes of the side wheels and the main wheel as well as the washers.
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