| 摘要 |
PROBLEM TO BE SOLVED: To provide a vibration absorber with which an enough vibration absorbing effect is obtainable. SOLUTION: The vibration absorber 100 includes a damper principal body 110 formed with a housing chamber 102. The housing chamber 102 includes a broad region whose length in a rotary centerline O1 direction is longer than that in the centerline direction of a pendulum 111 and narrow regions 140, 141 each of whose lengths in the rotary centerline O1 direction is shorter than that of the broad region and through which the pendulum 111 can pass. Inside the housing chamber 102, a rolling region 200 where the pendulum 11 performing a pendulum motion rolls is positioned so as to pass through the broad region and the narrow regions 140, 141. COPYRIGHT: (C)2011,JPO&INPIT
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