To obtain a reduction gear which has an extremely-large reduction ratio, and is high in a setting freedom of the reduction ratio.SOLUTION: A reduction gear G comprises: an input shaft 1 arranged at a housing 3, and having a first sun gear gs1 and a second sun gear gs2; and a ring member R having a second planetary gear gp2 having a plurality of stages of tooth parts, and screwed with the second sun gear gs2, a first planetary gear gp1 having one stage of the tooth parts, and screwed with the first sun gear gs1, a second ring gear gr2 screwed with the second planetary gear gp2, and a first ring gear gr1 screwed with the first planetary gear gp1. Either of a second carrier C2 for supporting the second planetary gear gp2, and a first carrier C1 for supporting the first planetary gear gp1 is fixed to the housing 3, and the other is made to serve as an output shaft 2.SELECTED DRAWING: Figure 2

    【課題】非常に大きな減速比を有し減速比の設定自由度が高い減速装置を得る。【解決手段】ハウジング3に設けられ、第1サンギアgs1および第2サンギアgs2を有する入力軸1と、複数段の歯部を有し第2サンギアgs2に歯合する第2プラネタリギアgp2と、一段の歯部を有し第1サンギアgs1に歯合する第1プラネタリギアgp1と、第2プラネタリギアgp2に歯合する第2リングギアgr2と、第1プラネタリギアgp1に歯合する第1リングギアgr1とを備えたリング部材Rと、を備え、第2プラネタリギアgp2を支持する第2キャリヤC2および第1プラネタリギアgp1を支持する第1キャリヤC1のうち一方がハウジング3に固定され、他方が出力軸2とされる減速装置G。【選択図】図2


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    Titel :

    REDUCTION GEAR


    Weitere Titelangaben:

    減速装置


    Beteiligte:
    ISONO HIROSHI (Autor:in)

    Erscheinungsdatum :

    2023-10-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / F16H Getriebe , GEARING



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