To absorb vibration energy of a seat in two directions.SOLUTION: A vibration damping device 40 includes: a shoulder bolt 42 attached to a seat frame 10A; a weight member 46 in which a through hole 46A into which the shoulder bolt 42 is inserted is eccentrically provided and which may move in an axial direction D of the shoulder bolt 42 and in a circumferential direction E of the shoulder bolt 42; and coil springs 50 which are disposed at both sides of the weight member 46 in the axial direction D and allow the weight member 46 to vibrate in the axial direction D and the circumferential direction E.SELECTED DRAWING: Figure 4

    【課題】二方向において、シートの振動エネルギーを吸収する。【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が挿通される貫通孔46Aが偏心して設けられ、段付きボルト42の軸方向D及び段付きボルト42の周方向Eに移動可能な錘部材46と、錘部材46の軸方向Dの両側に配置され、錘部材46を軸方向D及び周方向Eに振動可能とするねじりコイルばね50と、を備えている。【選択図】図4


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    Titel :

    VIBRATION DAMPING DEVICE


    Weitere Titelangaben:

    振動減衰装置


    Beteiligte:
    HIRAO KAZUKI (Autor:in)

    Erscheinungsdatum :

    2023-06-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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