Title:
SHAPE-ALTERABLE BICYCLE
Document Type and Number:
WIPO Patent Application WO/2022/239782
Kind Code:
A1
Abstract:
Provided is a bicycle in which the wheelbase can be altered. A bicycle 1 is provided with a top tube 1011 that is constituted by a front-side top tube 1011F which is located on the front side and a rear-side top tube 1011B which is located on the rear side. The rear-side top tube 1011B is inserted into the front-side top tube 1011F, and fixed to the front-side top tube 1011F by a length adjustment mechanism. A user can adjust the length of the top tube 1011 in the front-rear direction by releasing the fixation by the length adjustment mechanism, sliding the rear-side top tube 1011B with respect to the front-side top tube 1011F in the front-rear direction, and using the length adjustment mechanism to fix the rear-side top tube 1011B at a desired position with respect to the front-side top tube 1011F.
Inventors:
SEI CHUGEN (JP)
Application Number:
PCT/JP2022/019869
Publication Date:
November 17, 2022
Filing Date:
May 10, 2022
Export Citation:
Assignee:
SEI CHUGEN (JP)
International Classes:
B62K13/08; B62H1/12; B62K15/00
Foreign References:
| US20140049022A1 | 2014-02-20 | |||
| JP2003246290A | 2003-09-02 | |||
| JP2010184523A | 2010-08-26 | |||
| JP3119552U | 2006-03-02 | |||
| JP2009143340A | 2009-07-02 |
Attorney, Agent or Firm:
ODANI Akio (JP)
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