Wheel having rotating bodies
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United States of America Patent
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Apr 15, 2003
Grant Date -
Feb 28, 2002
app pub date -
Aug 21, 2001
filing date -
Aug 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A plurality of rotating bodies rotated in the direction orthogonal to the straight-forward direction of a wheel are disposed around the wheel in the wheel having rotating bodies provided with non-turning type rotating bodies. Each rotating body is rotatably supported around the axis of rotation across the radial direction around an axle, and each rotating body is formed in a shape in which an arc of the outer circumferential circle of the wheel is formed by a circumferential surface with the diameter of a tip portion smaller than the diameter of a base end portion. As a result, generation of a space between the rotating bodies can be suppressed.
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