| 摘要 |
<p>The bending device has a firm bending head (2) fastened to a plate (1) of a device frame and a rotatable bending head (3) arranged on an arm (31) rotated around an axis common with a longitudinal axis of the firm bending head. The rotatable bending head has external teeth (322) and the firm bending head exhibits external teeth (212) coupled with one another. The teeth are formed with a gear wheel and an interlocked segment. The rotatable bending head is pivoted on the arm.</p> |
