To provide a rotation transmission mechanism capable of realizing a bicycle or the like more excellent in usability than before.SOLUTION: A rotation transmission mechanism 1 is provided with: an internal rotary member 3 comprising an internal rotary member body 3a, and an elastically-deformable long body 3g whose base end is attached to the inner rotary member main body 3a, and distal end is locked to an external rotary member 4; and the external rotary member 4 comprising an annular part 4b rotatably disposed on the internal rotary member 3 on the outer peripheral side with respect to the inner rotary member 3, and a protrusion part 4c protruding from the inner peripheral surface of the annular part 4b in the center direction of the annular part 4b. The base end of the long body 3g is rotates with the rotation of the internal rotary member 3 when the internal rotary member 3 and the external rotary member 4 are relatively rotated, and then the long body is elastically deformed until a projection part 3f of the internal rotary member 3 comes into contact with the protrusion part 4c of the external rotary member 4.SELECTED DRAWING: Figure 4
【課題】従来よりも使用性に優れた自転車等を実現することが可能な回転伝達機構を提供する。【解決手段】回転伝達機構1は、内部回転部材3が、内部回転部材本体3aと、内部回転部材本体3aに基端が取り付けられ、先端が外部回転部材4に係止され、弾性変形可能な長尺体3gと、を備え、外部回転部材4が、内部回転部材3より外周側で内部回転部材3に回動自在に配設された円環部4bと、円環部4bの内周面から、円環部4bの中心方向に突起する突起部4cと、を備え、長尺体3gは、内部回転部材3と外部回転部材4が相対的に回転する際に、基端が内部回転部材3の回転に伴い回転することで、内部回転部材3の突出部3fが外部回転部材4の突起部4cに当接するまで、弾性変形する。【選択図】図4
ROTATION TRANSMISSION MECHANISM AND BICYCLE INCLUDING THE SAME
回転伝達機構及びそれを備えた自転車
2019-10-31
Patent
Elektronische Ressource
Japanisch
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