Chain bearing, chain pin, and chain
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United States of America Patent
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May 31, 2016
Grant Date -
Apr 23, 2015
app pub date -
Oct 15, 2014
filing date -
Oct 21, 2013
priority date (Note) -
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Abstract
At least one member composing a chain bearing, such as a pin, includes a surface layer composed of vanadium carbonitride (VCN) coating on a surface of a base material of the at least one member. An oxide (VO) film having a predetermined thickness is also formed on a surface of the surface layer such that the oxide film is interposed between the surface layer and another member, such as a pin hole, composing the chain bearing.
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