High-load drive V-belt
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United States of America Patent
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May 28, 2013
Grant Date -
Jul 1, 2010
app pub date -
Jul 24, 2008
filing date -
Aug 7, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention aims at improving the shock resistance of a block without lowering the power transmission property or the wear resistance of a belt while suppressing the separation of the contact portion off of the reinforcing member. A high-load drive V-belt B includes: at least one tension band 10 extending in an endless loop; and a plurality of blocks 20 engaged and secured to the tension band 10 at a predetermined pitch in a belt length direction of the tension band 10, wherein the plurality of blocks 20 are each formed by a reinforcing member 27 and a resin on both sides of the reinforcing member 27 in a belt width direction, and each include a contact portion 28 having a contact surface 30 to be in contact with a pulley, and a thickness w of the contact portion 28 in a direction perpendicular to the contact surface 30 is set to 1.0 mm or more and 1.8 mm or less.
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