| 摘要 |
The present invention discloses a folding device for a bicycle body and transom which comprises bicycle body (8), a transom (10) jointed to the bicycle body (8) by means of hinge. A tightening lug bolt (3) and a eccentric axle (12) is inserted into a hole on head of said lug bolt (3) and body (8) of the bicycle successively to provide a hinge joint. A groove (11) for receiving and securing the end of the lug bolt (3) is provided on said transom (10). The end of lug bolt (3) is engaged with a nut (2) which is embedded into said groove (11) in order to join the transom (10) with the body (8). The folding device further comprises a torsion spring (7), one end of which is fixed to the bicycle body (8) and the other end is disposed on the lug bolt (3). The eccentric axle (12) is connected to a lever (6). The head of said nut (2) is fastened to the lug bolt (3) by a screw (1). The device has the advantages of reasonable construction, more convenient and timesaving folding procedure, safe and reliable manipulation and beautiful, tasteful outward appearance, etc.
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