| 摘要 |
The present invention relates a folding bicycle which can be folded in the longitudinal direction, and comprises: a cross-bar for connecting the head tube, which supports the front wheel, and the seat tube, which supports the rear wheel, wherein said cross-bar has a structure which allows folding at one end or both ends; a joint-operation block attached to said tubes; and fixing joint blocks attached on both ends of the cross-bar such that longitudinal folding at a predetermined angle and slope are permitted, and transverse folding is restricted. |
