| 摘要 |
A clutch disk having a plate and a spline hub and a organic and ceramic-metallic facing fixed to the opposite faces of the plate in back-to-back positions on the opposite faces and fixed to the plate with rivets passing through the plate and facings, the opposite ends of the rivets being recessed in the facings, the organic facing having a plurality of equally spaced notches extending radially inwardly from and circumferentially along the periphery of the disk, the peripheral edge of the notches being open for the circumferential length of the notches, the ceramic-metallic friction facing filling the notches.
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