To provide a bicycle frame that allow two members to be welded at an angle that can be changed, as well as to provide a bicycle and a method of manufacturing the bicycle frame.SOLUTION: A bicycle frame 2 includes a first member and a second member connected to the first member. The first member includes a fittable portion 350. An opening 351 is formed in the fittable portion 350. The second member includes protruding portions 410 fitted into the opening 351. An outer peripheral surface of the protruding portions 410 has inclined surfaces configured such that at least two opposed surfaces are located inward toward a tip end of the protruding portion 410. The protruding portion 410 is welded to the fittable portion 350.SELECTED DRAWING: Figure 6

    【課題】二つの部材を角度を変更して溶接することができる自転車用フレーム、自転車及びこの自転車用フレームの製造方法を提供する。【解決手段】自転車用フレーム2は、第1部材と、第1部材に接続された第2部材とを備えている。第1部材は、嵌込部350を有している。嵌込部350には、開口部351が形成されている。第2部材は、開口部351に嵌まり込んだ突部410を有している。突部410の外周面は、少なくとも互いに反対側に面する二つの部分が、突部410の先端側に行くほど内側に位置するように傾斜した面である。突部410と嵌込部350とが溶接されている。【選択図】図6


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    Title :

    BICYCLE FRAME, BICYCLE AND METHOD OF MANUFACTURING BICYCLE FRAME


    Additional title:

    自転車用フレーム、自転車及び自転車用フレームの製造方法


    Contributors:
    ITO SHUNYA (author)

    Publication date :

    2020-08-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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