Title:
磁歪軸結合構造及び自転車
Document Type and Number:
Japanese Patent JP5872973
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a magnetostriction shaft coupling structure capable of suppressing occurrence of rattling between a crankshaft and a magnetostriction shaft and improving workability during assembly, and a bicycle.SOLUTION: A magnetostriction shaft coupling structure 50 comprises: a crankshaft 30; a male screw portion 88 provided on one end side of an axial direction of the crankshaft 30; and a hollow magnetostriction shaft 66 which is provided to be rotatable relative to a hanger pipe 28 of a bicycle 10 and includes a female screw portion 86 to be fastened to the male screw portion 88 at one end of the axial direction. The magnetostriction shaft 66 is externally inserted into an outer peripheral surface on the other end side of the axial direction of the crankshaft 30 and is rotated integrally with the crankshaft 30 by fastening of the female screw portion 86 to the male screw portion 88.
Inventors:
Nomura Keiei
Application Number:
JP2012139951A
Publication Date:
March 01, 2016
Filing Date:
June 21, 2012
Export Citation:
Assignee:
Bridgestone Cycle Co., Ltd.
International Classes:
B62M3/00; B62J99/00
Domestic Patent References:
| JP2006015986A | ||||
| JP8297059A | ||||
| JP2011093526A | ||||
| JP2000053069A | ||||
| JP63182535A | ||||
| JP368218Z2 |
Foreign References:
| US20110174110 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda