Pin-roller chain
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United States of America Patent
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Oct 6, 2015
Grant Date -
N/A
app pub date -
Dec 10, 2014
filing date -
Dec 10, 2014
priority date (Note) -
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Abstract
A chain link comprises a first plate having a first hole in it, a second plate having a second hole in it, a pin which passes through the first hole and the second hole, and a plurality of rolling elements arranged circumferentially around the pin, wherein when the chain link is engaged with a tooth of a sprocket, the tooth directly contacts one or more of the plurality of rolling elements. The plurality of rolling elements may roll along a surface of the tooth as the chain link conveys, or is conveyed by, the tooth. One or more of the plurality of rolling elements may roll along a surface of the pin as the chain link conveys, or is conveyed by, the tooth.
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