To inhibit occurrence of abnormal noise of a worm speed reducer including an anti-backlash system (ABLS).SOLUTION: A worm speed reducer 150 includes a worm shaft 164, a worm wheel 163, and a housing 153. The worm speed reducer 150 further includes: a bearing 161 which holds the worm shaft 164 at the inner side of the housing 153; a coil spring 170 which contacts with an outer peripheral surface of the bearing 161 to apply a biasing force acting in a direction of the worm wheel 163; and determination means 168 which restricts circumferential rotation of the coil spring 170 relative to the housing 153 and determines a position of a bearing side tip that is a bearing side tip of a wire forming the coil spring 170.SELECTED DRAWING: Figure 2

    【課題】ABLSを備えたウォーム減速機の異音の発生を抑制する。【解決手段】ウォームシャフト164と、ウォームホイール163と、ハウジング153と、を備えるウォーム減速機150であって、ハウジング153の内側においてウォームシャフト164を保持する軸受161と、軸受161の外周面に当接しウォームホイール163方向の付勢力を与えるコイルバネ170と、ハウジング153に対するコイルバネ170の周方向の回転を規制し、コイルバネ170を形成する線材の前記軸受側の先端である軸受側先端の位置を決定する決定手段168と、を備えるウォーム減速機150。【選択図】図2


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    Titel :

    WORM SPEED REDUCER


    Weitere Titelangaben:

    ウォーム減速機


    Beteiligte:
    NARUSAWA ASATO (Autor:in) / MACHIDA SEIICHI (Autor:in) / SHINODA KOSAKU (Autor:in) / UESUGI YOSHIYUKI (Autor:in)

    Erscheinungsdatum :

    19.11.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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