Patent ID: 6742777
Filing Date: 2004-06-01
Classification: B25B,B25H

Abstract:
A clamping device having a clamping section for clamping a workpiece movably provided on a cylindrical guide shaft along the axis of the guide shaft, wherein the clamping section and a locking section are each provided to make a pair at ends of the guide shaft and the locking section is fixedly secured to the clamping section in position on the guide shaft and is provided to move in a locking direction and in an unlocking direction on the guide shaft and forms a one way mechanism whereby when the locking section is moved in the locking direction, the locking section prevents movement of the clamping section only in an unclamping direction relative to the workpiece and when the locking section is moved in the unlocking direction, the locking section makes the movement of the clamping section free.