| 摘要 |
PURPOSE:To enable to rapidly regulate the length of a drive shaft by a simple operation by forming male threads on the lower end of the shaft, and rotatably holding an adapter to be engaged with the threads in a slide lock. CONSTITUTION:A stripper coupling portion 19 is mounted on the end of a drive shaft 9 through a joint 18, and a moving screw 20 formed with male threads on the outer periphery is coaxially mounted on the lower end of the shaft 9. An adapter 21 to be engaged with the screw 20 is rotatably held in a slide lock 16. the shaft 9 is axially moved via threads by rotating the adapter 21. |
