| 摘要 |
A torque fluctuation absorber (1) includes a first rotary member (10) formed into an annular shape and including a first protruding portion (10b) formed at an inner circumferential surface, a second rotary member (11, 12) connected to the first rotary member (10), a third rotary member (20, 20b) including a second protruding portion (20d) formed at an outer circumferential surface, a damper portion (2) absorbing torque fluctuations caused by torsion generated between the second rotary member (11, 12) and the third rotary member (20, 20b), and an elastic member (16, 30, 31) arranged between the first protruding portion (10b) and the second protruding portion (20d) and absorbing a shock generated when the first protruding portion (10b) directly makes contact with the second protruding portion (20d) when the damper portion (2) absorbs the torque fluctuations caused by the torsion generated between the second rotary member (11, 12) and the third rotary member (20,20b).
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