FRICTION TRANSMISSION BELT
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United States of America Patent
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Issued Date -
Nov 3, 2022
app pub date -
Apr 11, 2022
filing date -
Apr 11, 2022
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Abstract
A friction transmission belt includes a belt body which transmits power to a pulley. In a relationship between a friction coefficient and a slipping speed which is a difference between a speed of the belt body and a speed of the pulley, when a slipping speed at which a maximum friction coefficient is indicated is defined as a first slipping speed, a friction coefficient when the slipping speed is increased from the first slipping speed to a second slipping speed is defined as a reference friction coefficient, and a difference between the second slipping speed and the first slipping speed is 500 mm/s, a decrease rate Dm of the friction coefficient indicated by the following equation (1) with the maximum friction coefficient being denoted by μx and the reference friction coefficient being denoted by μr is not greater than 20%.
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