| 摘要 |
<p>The device has a series of knives operated by an upper knife box (C1) and a lower knife box, and equipped with a guiding system. The system has a connecting rod (202) articulated around a first axis. The system is independent from knife box driving rods, and comprises levers (204, 206) respectively articulated on a connecting rod around second and third axes. The levers are articulated on supports of the device around fourth and fifth axes, respectively. The fourth and fifth axes are located on both sides of a vertical straight line secant with the first axis, where the axes are parallel.</p> |
