Driving force transmitting device
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United States of America Patent
Stats
-
Sep 4, 2012
Grant Date -
Nov 13, 2008
app pub date -
Mar 21, 2008
filing date -
Mar 27, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A driving force transmitting devices is able to engage a main clutch with a small amount of hydraulic pressure. The driving force transmitting device includes an input shaft and an output shaft, and a main clutch. The device is formed of a primary clutch that intermittently transmits the driving force transmitted from the input shaft, a hydraulic pump that generates a hydraulic pressure, a piston that presses the primary clutch with the hydraulic pressure by the hydraulic pump, and a cam mechanism that presses the main clutch with a press-contact force which is amplified to be larger than the press-contact force of the piston by utilizing the driving force from the input shaft through the primary clutch, so as to engage the main clutch.
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