The invention provides a bicycle frame which comprises a first frame body, a second frame body and a plurality of rib plates. The rib plates are arranged between the first frame body and the second frame body and used for enlarging the bearing force of the first frame body and the second frame body. The first frame body, the second frame body and the rib plates are integrally formed through extrusion molding. A central shaft installation part is arranged on the second frame body. The invention further provides a method for manufacturing the bicycle frame. The method includes the steps of material preparing, die heating, ingot casting heating, extruding, dragging, straightening and saw cutting. In addition, the method provides a bicycle comprising the bicycle frame.
Bicycle frame and manufacturing method thereof
2015-09-23
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |
BICYCLE FRAME, BICYCLE AND METHOD OF MANUFACTURING BICYCLE FRAME
European Patent Office | 2020
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