| 摘要 |
PROBLEM TO BE SOLVED: To provide a nut runner capable of changing rotation speed of drive motor at optional timing of an operator. SOLUTION: In the nut runner, a switch is arranged on a nut runner body, and the rotation speed of the drive motor can be changed by this switch. For example, the rotation speed of the drive motor can be changed so that steps of a program for controlling an operation of the drive motor are progressed by this switch. COPYRIGHT: (C)2009,JPO&INPIT
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