Detent torque overload clutch
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United States of America Patent
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-
Sep 10, 2002
Grant Date -
N/A
app pub date -
Oct 13, 2000
filing date -
Oct 13, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A detent type torque overload clutch has a regressive disc spring that exerts a lower engagement force in the disengaged position than in the engaged position. The force exerted by the spring initially increases to a maximum upon compression from the engagement preload on the spring, and then decreases upon further compression as the disengaged position of the detents is approached. In the disengaged position, the spring moves past flat to a concave shape in which the re-engagement force is small so that re-engagement can only occur at small relative speeds and torques.
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