To inhibit diffusion of abrasion powder generated to inhibit harmful effect on peripheral devices in a pulley, a power transmission device, and an electric power steering device.SOLUTION: A pulley includes: a pulley body 31 forming a ring shape; multiple tooth parts 32 provided on an outer peripheral surface of the pulley body 31 at a predetermined interval in a circumferential direction; flange parts 33, 34 provided at an end part as seen in an axis O1 direction of the pulley body 31; and protruding parts 35, 37 protruding from outer peripheral parts of the flange parts 33, 34 to the tooth part 32 side.SELECTED DRAWING: Figure 3
【課題】プーリ及び動力伝達装置並びに電動パワーステアリング装置において、発生した摩耗粉の拡散を抑制することで周辺機器への悪影響を抑制する。【解決手段】リング形状をなすプーリ本体31と、プーリ本体31の外周面に周方向に所定間隔で設けられる複数の歯部32と、プーリ本体31の軸心O1方向における端部に設けられるフランジ部33,34と、フランジ部33,34の外周部から歯部32側に突出する突出部35,37とを備える。【選択図】図3
PULLEY AND POWER TRANSMISSION DEVICE AND ELECTRIC POWER STEERING DEVICE
プーリ及び動力伝達装置並びに電動パワーステアリング装置
2020-02-06
Patent
Electronic Resource
Japanese
PULLEY AND POWER TRANSMISSION DEVICE AND ELECTRIC POWER STEERING DEVICE
European Patent Office | 2020
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