To provide a belt transmission device in which reliability is improved.SOLUTION: A belt transmission device 101 includes: a driving pulley 153 rotational driven by a drive device 150; a driven pulley 130 rotationally provided about a shaft body 110; and an annular belt 160 for transmitting the rotationally driving force by the driving pulley 153 to the driven pulley 130. A tapered flange 154 is provided on one end of both ends of the driving pulley 153 in an axial direction. The driving pulley 153 and the driven pulley 130 and the belt 160 transmits a rotational driving force by an engagement of bevel teeth. In a predefined range from an end edge on an inner peripheral side of the belt 160 in a thickness direction of the belt 160 on a first side surface 161 which is a side surface facing the flange 154 of the belt 160, a first tapered part 161a is formed in which the predefined range is inclined in the same direction as the flange.SELECTED DRAWING: Figure 3

    【課題】信頼性が向上されたベルト伝動装置を提供すること。【解決手段】ベルト伝動装置101は、駆動装置150により回転駆動される駆動プーリ153と、軸体110を中心に回動可能に配置された従動プーリ130と、駆動プーリ153による回転駆動力を従動プーリ130に伝達する環状のベルト160とを備える。駆動プーリ153の、軸方向における両端の内の一端にはテーパ状のフランジ154が設けられている。駆動プーリ153及び従動プーリ130とベルト160とは、はす歯同士の噛み合いによって回転駆動力を伝達する。ベルト160の、フランジ154に対向する側面である第一側面161の、ベルト160の厚み方向におけるベルト160の内周側の端縁から所定の範囲には、当該所定の範囲がフランジと同じ向きに傾けられた第一テーパ部161aが形成されている。【選択図】図3


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    Title :

    BELT TRANSMISSION DEVICE AND STEERING DEVICE


    Additional title:

    ベルト伝動装置及びステアリング装置


    Contributors:

    Publication date :

    2021-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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