| 摘要 |
<p>Bicycle with essential main parts consisting of cast light metal components or injection moulded plastic composite components, comprising a cast or moulded rear section (6, 7, 8, 9) with bearings for a rear wheel and a crank as well as integrated details, such as a baggage rack (9) and a mud-guard, a front fork (3) cast or moulded in one piece and with integrated details, in particular bearings (25, 26) for the steering movements and a front wheel, as well as a middle section comprising two frame tubes (1, 2) bent to shape from a continous length of tube and at two rear ends (11, 12) being rigidly joined to the rear section (6). These frame tubes (1, 2) have a common intermediate portion (4) which constitutes an anchoring piece extending substantially in parallel to the front fork (3) for coupling thereto and pivoting thereof.</p> |
