| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction of a dynamic damper 1 for a motor for improving productivity and facilitating change of a characteristic. SOLUTION: An annular elastic body 13 made of rubbery resilient material is pressed between the outer peripheral surface 11a of a boss 11 mounted to a rotating shaft 31 of the motor 3 and the inner peripheral surface 12a of an annular mass body 12 concentrically arranged on the outer peripheral side. A circumferentially continuous recessed part 11b is formed in the outer peripheral surface 11a of the boss 11. A circumferentially continuous projecting part 12b is formed on the inner peripheral surface 12a of the mass body 12 correspondingly to the recessed part 11b. COPYRIGHT: (C)2004,JPO
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