| 摘要 |
In a clutch disc assembly in which facings comprising cerametallic pads stuck to one faces of back plates are secured to both faces of a plate at an outer peripheral part of the clutch disc, a heat insulating material having a thickness which increases from the radial inside to the radial outside is held between the above-mentioned plate at the outer peripheral part and at least one back plate of a facing so that failure in engagement and disengagement of clutch can be avoided by preventing a strain caused by heat to be produced on the part of plate on which the facings are provided.
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