Title:
BICYCLE
Document Type and Number:
Japanese Patent JP2020082913
Kind Code:
A
Abstract:
To reduce a load applied to a second lock portion when a handle support portion and a front fork are forcibly rotated to a head tube.SOLUTION: A bicycle includes: an attached portion 14 disposed at one of a handle support portion 13 and a front fork 11; a locked member 16 rotatably mounted on the outer side of the attached portion and formed with a first lock portion 15; a movement mechanism 19 provided with a case portion 17 fixed to a head tube 12, and a second lock portion 18 movably supported by the case portion movably to the first lock portion; and a corotation portion 21 mounted on the outer side of the attached portion to move in the up-down direction while being restricted from rotating by the attached portion, and disposed next to the locked member in the up-down direction. Engagement recessed and protruded portions 16a, 21a engageable in a circumferentially overlapped manner are respectively formed opposed to each other in the up-down direction at the locked member and the corotation portion. A support portion 22 supporting the locked member from the opposite side of the corotation portion in the up-down direction is disposed at the attached portion.SELECTED DRAWING: Figure 2
Inventors:
FUJIKI YUSUKE
Application Number:
JP2018217579A
Publication Date:
June 04, 2020
Filing Date:
November 20, 2018
Export Citation:
Assignee:
BRIDGESTONE CYCLE CO
International Classes:
B62H5/06; B62K21/02
Attorney, Agent or Firm:
Sumio Tanai
Nishizawa Kazumi
Hiroki Ninai
Makiko Otsuki
Nishizawa Kazumi
Hiroki Ninai
Makiko Otsuki