PROBLEM TO BE SOLVED: To provide a rear wheel steering device capable of setting various output characteristics by the minimum of component change.SOLUTION: The rear wheel steering device for a vehicle includes: an electric motor 20 supported by a housing 10; a speed reduction mechanism 30 connected to an output shaft 21 of the electric motor, for decelerating output of the electric motor; and a linear motion mechanism 50 having a nut member 51 connected to the speed reduction mechanism, and a rod 52 threadedly engaged with the nut member and connected to at least one of first and second connection members 11, 12, for converting rotary motion of the nut member into linear motion of the rod. The speed reduction mechanism includes: a driving pulley 31 connected to the output shaft of the electric motor; a driven pulley 32 connected to the nut member, and supported by the housing rotatably around an axis of the rod; and a belt 33 stretched between the driving pulley and the driven pulley. The speed reduction mechanism decelerates the output of the electric motor and transmits the output to the linear motion mechanism.SELECTED DRAWING: Figure 1

    【課題】最小限の部品変更によって種々の出力特性を設定し得る後輪操舵装置を提供する。【解決手段】ハウジング10に支持される電動モータ20と、その出力軸21に連結されその出力を減速する減速機構30と、この減速機構に連結されるナット部材51及びこれに螺合すると共に第1及び第2の連結部材11、12の少なくとも一方に連結されるロッド52を有し、ナット部材の回転運動をロッドの直線運動に変換する直動機構50とを備える。減速機構は、電動モータの出力軸に連結される駆動プーリ31と、ナット部材に連結しロッドの軸を中心に回転可能にハウジングに支持される被駆動プーリ32と、これらに張設されるベルト33を備え、電動モータの出力を減速して直動機構に伝達する。【選択図】図1


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    Title :

    REAR WHEEL STEERING DEVICE FOR VEHICLE


    Additional title:

    車両の後輪操舵装置


    Contributors:

    Publication date :

    2016-05-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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