To achieve both of a step height that can be overcome and reduction of a torque required for overcoming a step.SOLUTION: A travel assistance device 1 comprises an auxiliary mechanism 10 which is rotationally driven in a grounding state to transmit upward external force to a travel device 5. A difference between a maximum distance (yd_max) and a minimum distance (yd_min) between a rotation axis and a grounding point of the auxiliary mechanism 10 when the same is rotationally driven in the grounding state is larger than two times of a distance (xd_max) between the rotation axis and the grounding point in a horizontal direction.SELECTED DRAWING: Figure 21

    【課題】乗り越え可能な段差高さと段差乗り越えに必要なトルクの低減を両立させることを目的とする。【解決手段】走行補助装置1は、接地状態で回転駆動させることで、走行装置5に対して上方への外力を伝達する補助機構10を備え、接地状態での回転駆動時における補助機構10の回転軸と接地点との垂直方向の最大距離(yd_max)と最小距離(yd_min)の差分は、回転軸と接地点との水平方向の距離(xd_max)の2倍よりも大きい。【選択図】図21


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    Title :

    TRAVEL ASSISTANCE DEVICE AND TRAVEL DEVICE


    Additional title:

    走行補助装置および走行装置


    Contributors:

    Publication date :

    2021-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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