PROBLEM TO BE SOLVED: To provide a rotation transmission mechanism having high versatility capable of executing a bicycle or the like excellent in use ease and economical efficiency relative to prior ones.SOLUTION: A rotation transmission mechanism 100 comprises: an inner rotation member 300; and an outer rotation member 400 which is provided rotatably on the inner rotation member 300. The inner rotation member 300 comprises: a cylindrical ring-shaped inner rotation member body 300a; and four outer peripheral salient parts 300d which are integrally molded on the inner rotation member body 300a and protrude to an outer peripheral side of the inner rotation member body 300a. The outer rotation member 400 comprises four inner peripheral salient parts 400d which are integrally molded on an outer cylinder part 400b so as to protrude to an inner peripheral side of the outer cylinder part 400b, and the inner peripheral salient parts and the outer peripheral salient parts 300d of the inner rotation member 300 are arranged alternately. Between the outer peripheral salient part 300d and the inner peripheral salient part 400d on a rotation direction side of the outer peripheral salient part 300d, three elastic deformation parts 600 formed of a synthetic rubber are provided.SELECTED DRAWING: Figure 2
【課題】 従来よりも使用性及び経済性に優れた自転車等を実現することが可能な汎用性の高い回転伝達機構を提供する。【解決手段】 回転伝達機構100は、内部回転部材300と、内部回転部材300に回動自在に配設される外部回転部材400と、を備えている。内部回転部材300は、円筒リング状の内部回転部材本体300aと、内部回転部材本体300aに一体形成され内部回転部材本体300aの外周側に突出する4つの外周凸部300dと、を備えている。外部回転部材400は、外筒部400bの内周側に突出するように当該外筒部400bに一体形成され内部回転部材300の外凸部300dと交互に配置される4つの内周凸部400dを備えている。外周凸部300dと当該外周凸部300dの回転方向側の内周凸部400dとの間には、合成ゴム製の弾性変形部600が3個ずつ配設されている。【選択図】 図2
ROTATION TRANSMISSION MECHANISM AND BICYCLE COMPRISING THE SAME
回転伝達機構及びそれを備えた自転車
2018-03-29
Patent
Elektronische Ressource
Japanisch
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