Chain guide
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United States of America Patent
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Oct 3, 2017
Grant Date -
Apr 27, 2017
app pub date -
Oct 13, 2016
filing date -
Oct 21, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
To provide a chain guide that implements stable running of a chain, causes less wear or damage on the inner surface of mounting holes or on mounting shafts, and improves the durability of a reinforcing plate thereof without increasing production cost. A guide shoe includes a guide rail and a plate holding part accommodating a reinforcing plate inserted thereinto from the backside of the guide rail. The reinforcing plate includes a tubular part integral with a first plate surface and protruding from the edge of a mounting hole that extends through the reinforcing plate in a guide width direction. In the chain guide, a plurality of surface irregular parts are provided on a peripheral outer side of the tubular part in stripes along a plurality of imaginary circles concentric to the tubular part on at least one of the first plate surface and a second plate surface.
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