PROBLEM TO BE SOLVED: To provide a spline telescopic shaft having high assemblability in assembling and capable of suppressing hammering in use.SOLUTION: A spline telescopic shaft (first column shaft 11) includes a male shaft 14 and a female shaft 13. The male shaft 14 includes a first male spline tooth 42, and a second male spline tooth 43. The first male spline tooth 42 includes tooth surfaces 71, 72 engaged with a male spline tooth 52 adjacent thereto in a circumferential direction Y, in a state of free from backlash, and a back surfaces 71B, 72B disposed at a side opposite to the tooth surfaces 71, 72 and facing a clearance space S in the circumferential direction Y. The second spline tooth 43 is engaged with the female spline tooth 52 adjacent thereto in the circumferential direction Y with backlash. The first male spline tooth 42 is composed of a material having rigidity lower than that of the second male spline tooth 43.SELECTED DRAWING: Figure 4

    【課題】組立時の組付性が良く使用時の打音を抑制するスプライン伸縮軸を提供する。【解決手段】スプライン伸縮軸(第1コラムシャフト11)が、雄軸14と雌軸13とを含む。雄軸14は、第1雄スプライン歯42と、第2雄スプライン歯43とを含む。第1雄スプライン歯42は、周方向Yに隣り合う雌スプライン歯52に対してバックラッシのない状態で噛み合わされた歯面71,72と、歯面71,72の反対側に配置されて周方向Yの隙間空間Sに面する背面71B,72Bとを含む。第2雄スプライン歯43は、周方向Yに隣接する雌スプライン歯52に対してバックラッシを有して噛み合わされている。第1雄スプライン歯42は、第2雄スプライン歯43よりも剛性の低い材料で形成されている。【選択図】図4


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    Title :

    SPLINE TELESCOPIC SHAFT


    Additional title:

    スプライン伸縮軸


    Contributors:

    Publication date :

    2018-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B62D MOTOR VEHICLES , Motorfahrzeuge



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