To deal with multiple resonance frequencies of a seat with one vibration damping device.SOLUTION: A vibration damping device 40 includes: a shoulder bolt 42 attached to a seat frame 10A; an inner weight member 46 which has a first through hole 46A, into which the shoulder bolt 42 is inserted, and may move along an axial direction D of the shoulder bolt 42; an outer weight member 50 which has a second through hole 50A, into which the shoulder bolt 42 is inserted, and may move along the axial direction D of the shoulder bolt 42; and an inner coil spring 48 and an outer coil spring 52 which are disposed at both sides of the inner weight member 46 and the outer weight member 50 in the axial direction D and allow the inner weight member 46 and the outer weight member 50 to vibrate separately.SELECTED DRAWING: Figure 6

    【課題】1つの振動減衰装置で、シートの複数の共振周波数に対応させる。【解決手段】振動減衰装置40は、シートフレーム10Aに取り付けられた段付きボルト42と、段付きボルト42が挿通される第1貫通孔46Aを有し、段付きボルト42の軸方向Dに沿って移動可能な内側錘部材46と、段付きボルト42が挿通される第2貫通孔50Aを有し、段付きボルト42の軸方向Dに沿って移動可能な外側錘部材50と、内側錘部材46及び外側錘部材50の軸方向Dの両側に配置され、内側錘部材46と外側錘部材50を別々に振動可能とする内側コイルばね48と外側コイルばね52と、を備えている。【選択図】図6


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    Title :

    VIBRATION DAMPING DEVICE AND VEHICLE SEAT INCLUDING THE SAME


    Additional title:

    振動減衰装置及びこの振動減衰装置を備えた車両用シート


    Contributors:
    OKI TAKUMA (author)

    Publication date :

    2023-05-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / F16F SPRINGS , Federn



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