| 摘要 |
PURPOSE:To obtain the title pressure-free fastening adjuster in which a couple of springs which act as the die comes down and parts can be fastened and mounted without adjustment in spring pressure, even when fastening force differs, resulting in increased operation efficiency without complication. CONSTITUTION:Shaft 19 is connected to the lower part of die 14 and equipped with collar 20 and passed through the frame 12 fixed to the main body 11 at the bottom end of the shaft 19. The first spring 24 is set between the bottom 21 of the frame 12 and the collar 20 and the second spring 27 is set between the washer 25 projecting inward at the top of the frame 12 and the bottom 21 of the frame 12 on the outside of the first spring so that a gap G is provided between the second spring 27 and the collar 20. |
