Clutch friction button

摘要

A clutch button is provided including a friction pad having first and second surfaces. The friction pad has a radial outer and inner edges. The friction pad also has first and second upper outward circumferential edges adjacent to the radial outer edge. The friction pad has first and second lower outward circumferential edges adjacent to the radial inner edge. The friction pad has first and second inward circumferential outer edges joining the respective first and second outward upper and lower circumferential edges. The friction pad has a first groove formed in the first surface extending from the first upper outward circumferential edge to one of the second upper and lower outward circumferential edges. A second groove is formed in the first surface extending from the first lower outward circumferential edge to the other one of the second upper or lower circumferential edges the first groove does not extend to. A backing plate is bonded to the second surface.