PROBLEM TO BE SOLVED: To stop the loosening of an axle-side attachment part of a vehicle height adjustment device.SOLUTION: A vehicle height adjustment device (11) comprises: a lower metal (7) having a cylindrical part (71) formed at a vehicle body side, and attached to an axle; a joint (8) connected to a piston rod (3) extending to the vehicle body side, and having a male screw part (8B) which is inserted into the cylindrical part (71); and a lock nut (9) arranged at an external peripheral face of the cylindrical part (71), and having an end face (9D) abutting on the joint (8) as a seat face. The cylindrical part (71) has an inside female screw part (73) for screwing the cylindrical part (71) and the male screw part (8B) to each other at an internal peripheral face, and also has an outside male screw part (74) for screwing the cylindrical part (71) and the lock nut (9) to each other at an external peripheral face. A pitch (P2) of the inside female screw part (73) and a pitch (P1) of the outside male screw part (74) differ from each other.SELECTED DRAWING: Figure 2

    【課題】車高調整装置における車軸側取付部の緩みを止める。【解決手段】車高調整装置(11)は、車体側に形成された筒状部(71)を有し、車軸に取り付けられるロアメタル(7)と、車体側へ延伸するピストンロッド(3)と接続されると共に、筒状部(71)の内部に挿入される雄ねじ部(8B)を有するジョイント(8)と、筒状部(71)の外周面に配されると共に、ジョイント(8)に当接する端面(9D)を座面として有するロックナット(9)とを備える。筒状部(71)は、筒状部(71)と雄ねじ部(8B)とをねじ止めするための内側雌ねじ部(73)を内周面に有するとともに、筒状部(71)とロックナット(9)とをねじ止めするための外側雄ねじ部(74)を外周面に有し、内側雌ねじ部(73)のピッチ(P2)と外側雄ねじ部(74)のピッチ(P1)とは異なっている。【選択図】図2


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    Titel :

    LOOSENING PREVENTION MECHANISM OF VEHICLE HEIGHT ADJUSTMENT DEVICE AND HYDRAULIC SHOCK ABSORBER


    Weitere Titelangaben:

    車高調整装置の緩み止め機構および油圧緩衝器


    Beteiligte:
    MORISHITA ISAO (Autor:in)

    Erscheinungsdatum :

    2017-10-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B62K Fahrräder , CYCLES



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