Helical Tooth Belt and Belt Transmission
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United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Mar 27, 2019
filing date -
Apr 6, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a helical toothed belt including: a back portion; a tension member buried in the back portion; and a plurality of tooth portions arranged at a predetermined interval along a belt longitudinal direction on one surface of the back portion, in which the plurality of tooth portions have a tooth pitch of 1.5 mm or more and less than 2.0 mm, the back portion has a thickness of 0.4 mm or more and 1.2 mm or less, the tension member is formed of a twisted cord containing a high-strength glass fiber or a carbon fiber, and the ratio of the total value of an interval between the tension members adjacent to each other to the belt width is 20% or more and 60% or less.
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