Drive belt pulley and belt drive system

Endless belt power transmission systems or components – Friction drive pulley or guide roll – Cylindrical rim interconnected to axially spaced support...

Reexamination Certificate

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Details

C474S094000, C474S199000, C474S902000

Reexamination Certificate

active

07387584

ABSTRACT:
A hollow cylindrical pulley body5is carried rotatably by a hollow cylindrical shaft member11. A support rod8is inserted in the shaft member11, and the shaft member11is elastically supported to the support rod8through an elastic body10. The elastic body10is provided within a quarter of the periphery of the support rod8that is located, when viewed along the axis of the shaft member11, forward of the line of action of a radial shaft load on the shaft member11with respect to the direction of rotation of the pulley body5. With this configuration, when the drive belt3deviates to one side, the pulley body5is immediately angularly moved so that it is inclined with a level difference with respect to the direction of the radial shaft load and is positioned obliquely relative to the drive belt3. In this manner, a force of compensating for the deviation of the drive belt3is produced to avoid its wobbling.

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Specification and Drawings for U.S. Appl. No. 10/875,296 filed Jun. 25, 2004.
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Notice of Reasons of Rejection, JP 2004-060354, Sep. 12, 2006.

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