To realize a structure making it possible to cause sliding resistances in an axial direction of an inner column and outer column to fall within a proper range.SOLUTION: A steering column includes: a cylindrical outer column 24; and a cylindrical inner column 23 fitted into and supported by the outer column 24. An internal surface of the outer column 24 and a peripheral surface of the inner column 23 come into contact with each other in such a manner that an interference is present only at plural points where the internal surface and the peripheral surface are separated from each other in a circumferential direction. Radial rigidity of the inner column 23 at least at portions thereof engaged with the outer column 24 is lower than radial rigidity of the outer column 24 at least at portions thereof engaged with the inner column 23.SELECTED DRAWING: Figure 2

    【課題】インナコラムとアウタコラムとの軸方向の摺動抵抗を適正範囲に収めることが容易な構造を実現する。【解決手段】筒状のアウタコラム24と、アウタコラム24に内嵌支持された筒状のインナコラム23とを備える。アウタコラム24の内周面とインナコラム23の外周面とが、周方向に離隔した複数箇所でのみ締め代を有する状態で接触している。インナコラム23のうちで少なくともアウタコラム24と嵌合する部分の径方向に関する剛性が、アウタコラム24のうちで少なくともインナコラム23と嵌合する部分の径方向に関する剛性よりも低い。【選択図】図2


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    Title :

    STEERING COLUMN AND STEERING UNIT


    Additional title:

    ステアリングコラムおよびステアリング装置


    Contributors:

    Publication date :

    2021-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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