| 摘要 |
PURPOSE:To facilitate the positioning of a back slide, by fixing a lever to a screw for fixing back slides each having plural spindles to a roller stand and connecting the lever to a piston shaft of a cylinder. CONSTITUTION:A back slide of a roller stand 40 is attached to every roller stands interposing plural spindles therebetween counting from the roller stand 25 and is fixed with a screw 41. When the gauge of the back slide is to be changed, air is supplied to a cylinder 43 to rotate and loosen the screw 41, the back slide is shifted to a prescribed position, the piston shaft 43' of the cylinder 43 is driven to fasten the screw 41 and the back slide is fixed at the prescribed position. |
