Belt for continuously variable transmission

Details Belt for continuously variable transmission Belt for continuously variable transmission

2005-05-24

2005-05-24

Charles, Marcus (Department: 3682)

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

C474S201000

Reexamination Certificate

active

06896633

ABSTRACT:
A belt for a continuously variable transmission includes a metal ring assembly and a plurality of metal elements formed of a carbon steel and supported on the metal ring assembly. A recess of the metal element at which stress concentrates, namely, undercut portions of a root of a neck, a root of an engaging projection, and recesses of an element body, are removed. The carbon concentration in the removed portions is lower than that in the other potions, thereby enhancing the toughness, fatigue strength, and impact strength while maintaining, at a high level, the surface hardness of portions at which stress does not concentrate, thereby obtaining a wear resistant belt.

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Patent Abstracts of Japan; Pub. No. 08-134700, published May 28, 1996.
Patent Abstracts of Japan; Pub. No. 03-229038, published Nov. 10, 1991.

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