Continuously variable transmission belt and method of...

Details Continuously variable transmission belt and method of... Continuously variable transmission belt and method of...

2007-01-30

2007-01-30

Johnson, Vicky A. (Department: 3682)

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

Reexamination Certificate

active

10351423

ABSTRACT:
A continuously variable transmission belt, including a metal ring assembly including a plurality of metal rings, and a plurality of metal elements which are retained by the metal ring assembly and each has a saddle surface contacted with an inner circumferential surface of the metal ring assembly. The saddle surface includes opposed end peripheries spaced from each other in a traveling direction of the belt and a curved portion located at each of the opposed end peripheries. The curved portion has a range length extending in the traveling direction of the belt and a radius of curvature larger than the range length. The metal element is produced by a method including subjecting a metal sheet to presswork to form a workpiece, subjecting the workpiece to heat treatment and deburring and then to preliminary beveling and subsequent beveling.

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