Guide shoe
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United States of America Patent
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Oct 24, 2017
Grant Date -
May 19, 2016
app pub date -
Nov 9, 2015
filing date -
Nov 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An object is to provide a guide shoe having a simple structure and suppressing a significant shift in pitch line while reducing friction losses and preventing possible noise. In a guide shoe having a shoe surface on which a traveling chain is guided, the shoe surface includes a plate guide surface which is formed on an upstream side of the shoe surface in a shoe longitudinal direction and on which only chain plates are slidably guided, a guiding protruding portion which is formed on a downstream side of the plate guide surface and on which only a chain roller or a chain bush is guided, and a continuously transitioning protruding portion that smoothly connects the plate guide surface and the guiding protruding surface together. Plate escaping portions are formed on opposite sides across the guiding protruding portion in a shoe width direction to avoid contact with the chain plates.
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