| 摘要 |
<p>A punch for punching a workpiece. The punch includes a base and a workpiece support coupled to the base and arranged to support the workpiece in a substantially upright position. A punch member is coupled to the workpiece support and is movable between a ready position and a punch position. A lever arm is movable through an angle greater than or equal to about 60 degrees to move the punch member between the ready position and the punch position and a linkage interconnecting the lever arm and the punch member.</p> |
