Traction drive rotary assembly and process for producing rolling element thereof
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United States of America Patent
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Oct 7, 2003
Grant Date -
N/A
app pub date -
Sep 7, 2000
filing date -
Sep 7, 1999
priority date (Note) -
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Abstract
A rotary assembly for traction drives, including a plurality of rolling elements having a rotation axis and traction contact surfaces around the rotation axis and associating with each other to transmit a motive power between the rolling elements via a traction oil film formed between the traction contact surfaces, in which at least one of the traction contact surfaces has a microstructure with irregularities which sizes are larger than a thickness of the traction oil film. The process for the traction contact surface is also disclosed.
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