Power transmission chain, method for manufacturing power transmission member of the power transmission chain, and power transmission device
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United States of America Patent
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Oct 18, 2011
Grant Date -
Feb 28, 2008
app pub date -
Aug 3, 2007
filing date -
Aug 4, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The end faces of a first pin contain bulging curved faces having an egg-like shape, when viewed along a chain width direction. Each bulging curved face includes a first end portion, a second end portion and a maximum width portion with respect to a chain advancing direction. With respect to perpendicular directions, the distance between the center of the maximum width portion and the first end portion is relatively large, whereas the distance between the center of the maximum width portion and the second end portion is relatively short. It is possible to enlarge the surface area of the bulging curved face.
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