| 摘要 |
PCT No. PCT/JP89/00407 Sec. 371 Date Dec. 7, 1989 Sec. 102(e) Date Dec. 7, 1989 PCT Filed Apr. 14, 1989 PCT Pub. No. WO89/10503 PCT Pub. Date Nov. 2, 1989.A damper disc comprising an annularly extending retainer plate assembly for holding in position a damper spring circumferentially connecting an annular input plate and an output plate, the retainer plate assembly having a stationary portion fixed to the input plate, a connector portion connected to the spring, and a support portion for supporting the outer periphery of the spring, the input plate being formed on its outer periphery with a cylindrical portion fitted on the outer periphery of the cylindrical support portion, the retainer plate assembly being comprised of an annular plate having the stationary portion, connector portion, and support portion, the stationary portion being fixed by rivets to the input plate, the retainer plate being formed with notches at the outer periphery thereof in the form of an opening and a slit.
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