A manufacturing method of a bicycle unit has the following steps. In a pressing step: press metal sheets to form casing parts being overlappable. In an abutting step: abut the casing parts to form an abutting line. In a connecting step: connecting the two casing parts along the abutting line to form a motor mount prestructure having side plates and a motor-installation space formed therebetween. A prestructure of a bicycle frame is thereby made. In a motor mount forming step: cut the two side plates of the motor mount prestructure in compliance with a pre-determined motor system so as to form a bicycle frame unit with a motor mount.


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    Titel :

    MANUFACTURING METHOD, PRODUCT OF BICYCLE FRAME UNIT AND PRESTRUCTURE OF BICYCLE FRAME ADAPTABLE FOR DIFFERENT MOTOR SYSTEMS


    Beteiligte:
    HU SAMUEL (Autor:in) / LIU LIU-CHENG (Autor:in) / HU CHIA-WEI (Autor:in)

    Erscheinungsdatum :

    03.08.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62K Fahrräder , CYCLES / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs



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