| 摘要 |
PURPOSE:To smooth the connecting operation of a clutch with a push button and to make the manufacture of a clutch easy, by forming a clutch shaft in one body at the front end of a tuning shaft and devising the shape of the shaft. CONSTITUTION:A clutch shaft 24 with cross-shaped cross section is formed in one body at the front end of a tuning shaft 20. A taper 26 widened to the cross shaped tip is formed at a fine diameter 25 of the shaft 24 and the surface of the taper is formed as a circular arc along the broadwise direction of cross-shape. A groove 27 for C-rig fitting is provided at the center of the shaft 24. Further, the outer circumference of the shaft 24 is inserted with a cylindrical subbutton 28. The button 28 is provided with a seat 29 in which cross-shaped clutch hole is opened. |
