To provide a front two-wheel tricycle which can improve turning performance without damaging attitude stability of a crewman.SOLUTION: A front two-wheel tricycle 11 comprises: a handle shaft body 25 which is so supported by a head tube 15a of a frame 15 as to be rotatable around a steering shaft line Sx; a seesaw member 27 which is so supported by the handle shaft body 25 below the head tube 15a as to be rotatable around a first axis Lx extending in a cross direction, and supports, at left and right ends, a left front wheel 12a and a right front wheel 12b so as to be inclinable around a second axis Xp, Xq extending in the cross direction with respect to a flat ground GR; and a linkage 28 which is connected to the seesaw member 27, and the left front wheel 12a and the right front wheel 12b, and inclines the left front wheel 12a and the right front wheel 12b in the same direction with respect to the flat ground GR at a second inclination angle β that is larger compared to a first inclination angle α of the handle shaft body 25 inclining in a longitudinal direction with respect to the flat ground GR.SELECTED DRAWING: Figure 2

    【課題】乗員の姿勢安定性を損なうことなく旋回性を高めることができる前二輪三輪車を提供する。【解決手段】前二輪三輪車11は、操舵軸線Sx回りで回転自在にフレーム15のヘッドチューブ15aに支持されるハンドル軸体25と、前後方向に延びる第1軸線Lx回りに回転自在にヘッドチューブ15aの下方でハンドル軸体25に支持され、左右端に、前後方向に延びる第2軸線Xp、Xq回りに平地GRに対して傾斜自在に左前輪12aおよび右前輪12bを支持するシーソー部材27と、シーソー部材27並びに左前輪12aおよび右前輪12bに連結されて、平地GRに対して左右方向に傾斜するハンドル軸体25の第1傾斜角αに比べて大きい第2傾斜角βで平地GRに対して同方向に左前輪12aおよび右前輪12bを傾斜させるリンク機構28とを備える。【選択図】図2


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    Titel :

    FRONT TWO-WHEEL TRICYCLE


    Weitere Titelangaben:

    前二輪三輪車


    Beteiligte:
    MIZUNO TAKAMASA (Autor:in) / HIRAMATSU MASAO (Autor:in)

    Erscheinungsdatum :

    2022-10-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES



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