Slitter-punch with quick adapter

A slitter-and-hole-punch and quick change adapter combination which is adapted for use as a slitter punch cutting head for apparatus for punching holes and slits in a web of film material, said apparatus including an apertured backing plate on which said film is supported and reciprocating means for holding the slitter punch cutting head in registered alignment with said film and with corresponding apertures in said backing plate, and for moving said slitter punch cutting head in a direction that is substantially normal to said backing plate on which the film material is supported;

• wherein the slitter-and-hole-punch includes a base member, a hole punch unitarily formed with the base member and extending downward, a slitter blade unitarily formed with said base member and positioned distally of said hole punch and extending downward, and left and right resilient arms unitarily formed at left and right sides of the base member and having free ends that project proximally of said base member, each said resilient arm having a detent member formed thereon, said base and resilient arms defining a generally bar-shaped profile across a proximal-distal direction;
• and said quick adapter including a block having means thereon for attaching to said reciprocating means and a T-channel formed on a lower side with a passage of sufficient width to accommodate said hole punch and said slitter blade, and with side recesses to accommodate said resilient arms, said side recesses each having a cooperating hollow formed therein to receive the respective detent of one of the associated resilient arms.