The invention relates to the eld of the bicycle industry and concerns a method for manufacturing and building frames for bicycles or kick scooters. The technical result of the invention is to reduce the time and increase the productivity of bicycle frame manufacture, which is achieved by mounting a press die in a press tool, then mounting a blank made of a sheet material between the mating parts of the press die, then activating the press tool and carrying out a pressing operation in which the sheet material blank is simultaneously cut and deformed in accordance with the press die, then bending the lateral portions of the blank of the frame so that apertures for a bottom bracket and dropouts for securing the rear wheel axle are disposed in axial alignment with one another, and also rounded portions on the ends of tongues form a head tube.
METHOD FOR MANUFACTURING A PRESSED BICYCLE FRAME
VERFAHREN ZUR HERSTELLUNG EINES GEPRESSTEN FAHRRADRAHMENS
PROCÉDÉ DE FABRICATION D'UN CADRE DE BICYCLETTE PAR EMBOUSTISSAGE
2022-11-02
Patent
Electronic Resource
English
BICYCLE FRAME, BICYCLE AND METHOD OF MANUFACTURING BICYCLE FRAME
European Patent Office | 2020
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