A bicycle frame (100) with a basis consisting of the following components. A bottom column (110) with a ball-head tube (130), a seat post (140) and a structure (120) for a bottom bracket. The bottom column (110) and the structure (120) for the bottom bracket are made of metal plates whereby at least some of the plates are folded. At least some of the plates overlap and are joined to each other. The structure (120) for the bottom bracket is the bearing structure for the bottom column (110) and the seat post (140). The bearing structure (120), the bottom column (110) and the seat post (140) form a whole, and the bearing structure (120) is adapted to mount a bottom bracket.
BICYCLE FRAME AND METHOD OF MAKING A BICYCLE FRAME
FAHRRADRAHMEN UND VERFAHREN ZUR HERSTELLUNG EINES FAHRRADRAHMENS
CADRE DE BICYCLETTE ET PROCÉDÉ DE FABRICATION D'UN CADRE DE BICYCLETTE
20.12.2023
Patent
Elektronische Ressource
Englisch
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