| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball screw shaft with a simple structure capable of absorbing warpage occurring to a ball screw. SOLUTION: The screw shaft 2 comprises a supporting member 3 and a screw part 4 each swingably connected to a joint member 8 in the direction orthogonal to the axis and in the rotating direction. COPYRIGHT: (C)2003,JPO
|
