Title:
走行練習用自転車
Document Type and Number:
Japanese Patent JP6812609
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a bicycle for training to bicycle, which enables easy and speedy attachment/detachment of a bracket unit pivotally supporting a pedal crank and which excels in strength and durability.SOLUTION: A bicycle for training to bicycle, in which a coupling part 31 projecting from a bracket unit 30 is attachable to or detachable from a cylindrical part 21 extending downward from a body frame of a vehicle body, comprises: a vertically long slit 22 formed at the lower end of the cylindrical part 21; a body-side through-hole 23 formed above the slit 22; a projection 32 formed on the coupling part 31 and engaged with the slit 22 so as to be vertically disposed in contact with the inside faces of the slit; and a bracket-unit-side through hole 33 formed in the coupling part 31 in a position where this through-hole coincides with the body-side through-hole 23 when the slit 22 and the projection 32 are engaged. The coupling part 31 is fixed to the cylindrical part 21 by means of a bolt 40 and a nut 41 inserted into both the through-holes 23, 33.SELECTED DRAWING: Figure 1
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Inventors:
Kazuo Shoda
Akihiko Kubo
Akihiko Kubo
Application Number:
JP2016201596A
Publication Date:
January 13, 2021
Filing Date:
October 13, 2016
Export Citation:
Assignee:
Alpen Co., Ltd.
International Classes:
B62H7/00; B62K15/00; B62M3/00
Domestic Patent References:
| JP2013147199A | ||||
| JP56103383U | ||||
| JP64070285A | ||||
| JP3205625U |
Attorney, Agent or Firm:
Takanobu Takekawa