| 摘要 |
A workpiece clamping device is formed of a first handle and a second handle which is pivoted with the first handle by a pivot in conjunction with a torsion spring. The first and the second handles are provided with a clamping portion having a head end. The head end is provided with a spherical cavity and a spring for fastening a clamping block which can be adjusted in angle and surface to facilitate the clamping of workpieces of various dimensions. The first and the second handles are provided in the pivoting portions thereof with a ratchet for providing a retaining mechanism so as to hold securely a workpiece. The workpiece is let go by a press block which causes the disengagement of the ratchets.
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