Continuously variable transmission
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
May 27, 2014
filing date -
May 28, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
In a continuously variable transmission, driving force from a drive source is transmitted via the path: first input switching mechanism→first input path→first countershaft→first pulley→endless belt→second pulley→second countershaft→first output path→second input shaft→first output switching mechanism→output shaft to thus establish a LOW mode. A large torque that is transmitted in the LOW mode passes through the first output switching mechanism, but since the second input shaft is relatively rotatably disposed on the outer periphery of the first input shaft and the first output switching mechanism is disposed on the second input shaft, it is possible to enhance the rigidity of the input shaft due to the double tube structure formed from the first input shaft and the second input shaft and to support the first output switching mechanism with high rigidity without carrying out special reinforcement.
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