| 摘要 |
PROBLEM TO BE SOLVED: To provide a workpiece gripping device capable of retaining gripping capacity even the roundness of the outer peripheral surface of a workpiece is fluctuated unproperly without using power such as oil pressure, moreover simply gripping the workpiece without needing troublesome operation. SOLUTION: This device is equipped with first and second frames 11 and 12 provided movably toward the outer peripheral surface of a workpiece on both the sides of the workpiece, first and second arms 14 and 15 rotatably provided on the respective frames 11 and 12, first and second rollers 17 and 17 rotatably provided on the respective arms 14 and 15, and first and second energizing members 27 and 27 for energizing the respective arms 14 and 15 in a direction for press-contacting the rollers 17 and 17 to the outer peripheral surface of the workpiece. In this case, the outer peripheral surface of the workpiece W2 can be nipped by the rollers 14 and 15 of the frame 11, and the rollers 14 and 15 of the frame 12.
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