PROBLEM TO BE SOLVED: To provide a steering shaft which has high strength and rigidity in an axial direction, and to provide a steering device.SOLUTION: A rack shaft 1A includes: a rack shaft body 10; an intermediate layer 21; and a first CFRP layer 30. The rack shaft body 10 is a rod-like component and extends in a longitudinal direction. The rack shaft body 10 is made of metal and formed by, for example, carbon steel (S45C etc.) or aluminium alloy. However, the rack shaft body 10 may be made of resin or fiber reinforced plastic. In the structure, for example, the resin is injected into the cylindrical first CFRP layer 30 to form the rack shaft body 10.

    【課題】軸方向における強度、剛性の高い転舵軸及び操舵装置を提供する。【解決手段】ラック軸1Aは、ラック軸本体10と、中間層21と、第1CFRP層30と、を備えている。ラック軸本体10は、棒状の部品であって、左右方向に延びている。ラック軸本体10は、金属製であり、例えば、炭素鋼(S45C等)、アルミニウム合金で形成されている。ただし、ラック軸本体10は、樹脂製、FRP製である構成でもよい。この構成の場合、例えば、円筒状の第1CFRP層30内部に樹脂を充填することで、ラック軸本体10を形成できる。【選択図】図2


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    Title :

    STEERING SHAFT AND STEERING DEVICE


    Additional title:

    転舵軸及び操舵装置


    Contributors:
    OTA KAZUKI (author)

    Publication date :

    2015-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse



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