To provide a power transmission mechanism and an electric power steering device that can successfully transmit power.SOLUTION: A power transmission mechanism comprises: a rotary member for rotating around a rotating axis; a pulley supported by an outer peripheral surface of the rotary member to transmit power to the rotary member; and a power transmission member provided between the pulley and the rotary member, and including a first arc part having an arc shape as viewed from an axial direction, a second arc part, and a third arc part for connecting the first arc part and the second arc part. One of an inner peripheral surface of the pulley or the outer peripheral surface of the rotary member is provided with a first groove in which the first arc part is arranged, and a second groove in which the second arc part is arranged. The other of the inner peripheral surface of the pulley or the outer peripheral surface of the rotary member is provided with a third groove in which the third arc part is arranged.SELECTED DRAWING: Figure 6

    【課題】良好に動力を伝達することができる動力伝達機構及び電動パワーステアリング装置を提供する。【解決手段】回転軸を中心に回転する回転部材と、回転部材の外周面に支持され、回転部材に動力を伝達するプーリと、プーリと回転部材の間に設けられ、軸方向から見たときに円弧状の第1円弧部と、第2円弧部と、第1円弧部と第2円弧部とを連結する第3円弧部とを含む動力伝達部材を有し、プーリの内周面又は回転部材の外周面の一方には、第1円弧部が配置される第1溝と、第2円弧部が配置される第2溝が設けられ、プーリの内周面又は回転部材の外周面の他方には、第3円弧部が配置される第3溝が設けられる。【選択図】図6


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    Titel :

    POWER TRANSMISSION MECHANISM AND ELECTRIC POWER STEERING DEVICE


    Weitere Titelangaben:

    動力伝達機構及び電動パワーステアリング装置


    Beteiligte:

    Erscheinungsdatum :

    04.04.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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