| 摘要 |
A backing plate for connection to a clutch disc includes a pair of spaced friction material portions (or pads). A central channel extends between the two portions to allow air to flow over and cool a central area of the friction material. Clearances are defined at radially inner and outer areas of the channel and receive rivets to secure the backing plate to a clutch disc. The rivets are positioned radially between the radially inner and radially outer edge of the friction material, such that the backing plate is firmly secured to the clutch disc to prevent bowing. The improved backing plate ensures that the backing plate remains firmly secured to the clutch disc, and that the friction material is adequately cooled such that it efficiently transmits rotational forces from a drive source to a driven shaft.
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