| 摘要 |
PROBLEM TO BE SOLVED: To simplify structure of a damper mechanism while securing a torsional characteristic the same as a conventional one. SOLUTION: The damper mechanism is furnished with an input rotor 2, an output rotor 3 and at least two coil spring assembly bodies 9. The coil spring assembly bodies 9 elastically connect the input rotor 2 and the output rotor 3 in the rotating direction, and they are a member to absorb torsional torque. Each of the coil spring assembly bodies has at least one coil spring 41, the central shaft of which is roughly rectilinear. At least the one coil spring assembly body 9 absorbs 35-50% of the torsional torque.
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