| 摘要 |
<p>An apparatus and method for punching a hole in the end of a battery terminal bushing having a head at one end, a frustum at the other end and a spline ring intermediate the head and the frustum, the bushing including a tapered recess and terminating at a blank wall or disc at the end of the frustum, the apparatus including a base having a plate mounted with a number of openings equally spaced around the perimeter thereof, the plate being mounted on the base for rotary motion with respect to a punch assembly aligned with the path of motion of the opening, the punch assembly including a punch for removing the blank disc at the end of the frustum, and passing the punch through the tapered recess in the bushing and the opening in the plate.</p> |
