Patent ID: 8579272

Claim:
A clamping apparatus for securing a workpiece, the clamping apparatus comprising: a fixing base; and a first and a second clamping device mounted on opposing sides of the fixing base, and the first clamping device comprising: a plurality of stacked clamping sheets, each of which is moveable and comprises an inclined clamping edge for contacting the workpiece; a positioning member defining a positioning groove thereon, each of the plurality of stacked clamping sheets defining a positioning hole therein, and the positioning member is received in the positioning hole; a support assembly to support the plurality of stacked clamping sheets; and an operating member slidable relative to the support assembly and contacting the plurality of staked clamping sheets, wherein the operation member is capable of moving at least one of the plurality of stacked clamping sheets relative to another one when the operation member slides relative to the support assembly and moving at least one of the inclined clamping edge toward or away from the second clamping device to accommodate workpieces of varying sizes.