Wheel structure
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 14, 2006
app pub date -
Mar 11, 2005
filing date -
Mar 11, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wheel structure includes a main wheel body, a pair of extension sections extending from respective sides of the main wheel body, and a pair of auxiliary sections coaxially extending from the extension sections, respectively. The main wheel body of the wheel has a larger outer diameter than the outer diameters of the auxiliary sections. Both the main wheel body and the auxiliary sections are provided with outer tires made in a different material. The wheel increases contact surfaces with the ground when making turns, so as to prevent overturning.
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