PROBLEM TO BE SOLVED: To suppress a projection amount from a wheel to an axial direction outer side.SOLUTION: A drive unit 20A comprises: a motor 21 with a speed reducer for rotating an output member 237; a wheel 13r which is so supported as to be rotatable relatively to the output member 237; and a clutch mechanism 300 which can perform changeover between an assist state that a turning force of the output member 237 is transmitted to the wheel 13r and a free state that transmission of the turning force of the output member 237 to the wheel 13r is blocked. The clutch mechanism 300 comprises a drive plate 240 which rotates integrally to the output member 237 on an inner peripheral side of the wheel 13r, and a shaft body 321 which moves in a radial direction of the wheel 13r thereby performing engagement and disengagement between the drive plate 240 and the wheel 13r.SELECTED DRAWING: Figure 3

    【課題】車輪から軸方向外側への突出量を抑える。【解決手段】駆動ユニット20Aは、出力部材237を回転させる減速機付モータ21と、出力部材237に対して相対回転可能に支持された車輪13rと、車輪13rに出力部材237の回転力を伝達するアシスト状態と、車輪13rへの出力部材237の回転力の伝達を遮断するフリー状態とに切替可能なクラッチ機構300と、を備え、クラッチ機構300は、車輪13rの内周側で出力部材237と一体に回転する駆動プレート240と、車輪13rの径方向に移動することで駆動プレート240と車輪13rとを係脱するシャフト本体321と、を備える。【選択図】図3


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    Title :

    POWER-ASSISTED WHEEL UNIT AND HAND MOVABLE BODY EQUIPPED WITH SAME


    Additional title:

    電動アシスト車輪ユニット、およびそれを備えた手押し移動体


    Contributors:
    HONMA BUNJI (author)

    Publication date :

    2017-04-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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