Clutch lever taking advantage of centrifugal forces
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United States of America Patent
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Oct 5, 2004
Grant Date -
Mar 13, 2003
app pub date -
Sep 10, 2001
filing date -
Sep 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plurality of specially shaped clutch levers transmit rotation between an engine and a transmission in a clutch. The clutch levers are shaped such that the center of mass is on opposing sides of an axis of the clutch levers when the clutch levers are in the engaged and disengaged positions. The axis is the radial line passing through the pivot point of the clutch lever and is substantially perpendicular to the rotation of the clutch. In the engaged position, the center of mass is positioned on the pressure plate side of the axis, the moment rotating the clutch levers against the pressure plate to increase the clamp load. In the disengaged position, the center of mass is positioned on the transmission side of the axis, the moment rotating the clutch levers against the retainer to increase clutch lift. These conditions are satisfied during the entire life of the clutch.
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