To provide a rack biasing device which makes sealing and suppresses striking sounds while achieving downsizing.SOLUTION: A rack biasing device 180 generates a biasing force for pressing a rack shaft body 130 to an assist pinion shaft body 160. The rack biasing device 180 includes: a rack guide 183 which guides the rack shaft body 130; a guide member 189 which guides the rack guide 183; a first sealing member 181 which seals a space between the guide member 189 and the rack guide 183; a biasing member 184; an engaging member 185 which engages with the guide member 189 to cause the biasing member 184 to generate a biasing force; and a second sealing member 182 which seals a space between the guide member 189 and the rack guide 183 and contacts with the engaging member 185. The rack guide 183 includes a distribution part which causes the second sealing member to generate a second biasing force in between the guide member 189 and the rack guide 183 and generates a third biasing force different from the second biasing force in between the engaging member 185 and the rack guide 183.SELECTED DRAWING: Figure 3

    【課題】小型化しつつ封止と打音抑制の両立を図る。【解決手段】ラック軸体130をアシストピニオン軸体160に押しつける付勢力を発生させるラック付勢装置180であって、ラック軸体130を案内するラックガイド183と、ラックガイド183を案内する案内部材189と、案内部材189とラックガイド183間を封止する第一封止部材181と、付勢部材184と、案内部材189と係合し付勢力を付勢部材184に発生させる係合部材185と、案内部材189とラックガイド183間を封止し係合部材185に当接する第二封止部材182と、を備え、ラックガイド183は、第二封止部材に案内部材189とラックガイド183との間において第二付勢力を発生させ、係合部材185とラックガイド183との間において第二付勢力とは異なる第三付勢力を発生させる分配部を備えるラック付勢装置100。【選択図】図3


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    Titel :

    RACK BIASING DEVICE


    Weitere Titelangaben:

    ラック付勢装置


    Beteiligte:

    Erscheinungsdatum :

    06.05.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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