| 摘要 |
<p>PURPOSE:To provide the curvature correction device for the neck which can securely and speedily correct the neck into a flat state even if the neck 4 is curved around a specific position. CONSTITUTION:When the neck 4 is curved around the specific position, a rotary screw member 15 is rotated up to the specific position to move a moving body 17. In this state, adjustment members 21 and 21 and adjustment members 23 and 23 are rotated in specific directions to curve the neck 4 in the opposite direction from its current curve direction around the moving body 17 as a fulcrum of rotation, thereby correcting the neck 4 into the flat state.</p> |
