| 摘要 |
PROBLEM TO BE SOLVED: To reduce malfunctions such as a breakage of a friction facing used for a friction disc of a clutch disk, etc. SOLUTION: The friction facing and the friction disc are characterized in that the friction facing 11, 12 is pressed to a flywheel to make it possible to frictionally engage therewith and is provided with an annular plate having a main face making a friction block 11h. Holes 11a, 12a fixing a plurality of rivets are formed in the annular plate and recesses 11f, 12f surrounding the holes 11a, 12a are formed in the main face.
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