| 摘要 |
<p>An object of the invention is to provide a pierce cam which is compact, can save space, can be easily mounted, can reduce a cost, and can be mounted even to an inclined surface. <??>The invention provides a pierce cam comprising a pierce punch (2), a body (1) which is detachably and slidably provided with the pierce punch, a stripper (4) which is fitted to a leading end portion of the pierce punch and is energized by a bising member like a coil spring (3), a rotating arm (5) which is pivotably provided to the body and is brought into contact with a rear end surface of the pierce punch and a driver (6) such that a descending movement of the driver is transferred to a sliding movement of the pierce punch (2) via the oscillating arm (5). The driver (6) is adapted to engage with the oscillating arm (5) in an ascending movement of the driver (6) and to pivot the oscillating arm (5) back to a retracted position. <IMAGE></p> |
