192 clutches and power-stop control – Clutches – Operators
Patent
1986-09-17
1987-11-24
Scott, Samuel
192 clutches and power-stop control
Clutches
Operators
F16D 2314
Patent
active
047082305
ABSTRACT:
A device for disengaging the friction clutch of a motor vehicle wherein a sleeve is movable along a tubular guide under the action of two arms of an actuating fork and wherein the sleeve has two platforms disposed diametrically opposite each other and serving to receive motion from the respective arms so that a bearing on the sleeve can engage the prongs of the diaphragm spring in the clutch. The sleeve is formed with an internal surface an annular section of which flares toward one axial end of the sleeve so as to allow the sleeve to rock in a plane including the axis of the sleeve and halving the platforms. Such design of the internal surface of the sleeve ensures that the latter can change its orientation with reference to the guide in order to enable both arms to simultaneously engage the respective platforms in spite of manufacturing tolerances in connection with the making of the sleeve and/or fork and/or inaccurate mounting of the fork relative to the guide and/or thermally and/or otherwise induced deformation of parts of the device. Simultaneous engagement of both arms with the respective platforms prevents jamming of the sleeve as well as premature wear upon and/or excessive resistance to movement of the sleeve to disengaging or retracted position.
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Kontler Peter K.
LuK Lamellen und Kupplungsbau GmbH
Odar H. A.
Scott Samuel
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