Dual clutch
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United States of America Patent
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Jan 17, 2017
Grant Date -
Jun 11, 2015
app pub date -
Aug 1, 2013
filing date -
Aug 3, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A dual clutch for coupling an engine drive shaft with a transmission shaft and/or an auxiliary power take-off. A first friction clutch presses a first clutch plate that is couplable with the transmission shaft between a first contact plate, displaceable in an axial direction to engage the first friction clutch and a first counter plate. A second friction clutch presses a second clutch plate that is couplable with the auxiliary power take-off between a second contact plate, displaceable in the axial direction to engage the second friction clutch and a second counter plate. First and second actuating elements move the first and second contact plates; respectively. The second contact plate is connected to a thrust ring connected to the second actuating element to transfer displacing movement. The second actuating element has a spring element, situated between the second actuating element and the thrust ring, for pre-stressing so that a reduction of contact force is avoided in case of wear and tolerance dependency of the contact force and/or actuating force is decreased.
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