Punching apparatus

Claim 1

IN A PUNCHING APPARATUS, A PUNCH HOLDER, A PUNCH MEMBER SECURED TO ONE SIDE OF SAID PUNCH HOLDER, A STRIPPER MEMBER, FASTENING ELEMENTS SECURED TO SAID STRIPPER MEMBER AND SLIDABLE IN OPENINGS IN SAID PUNCH HOLDER FOR SUPPORTING SAID STRIPPER MEMBER FOR MOVEMENT TOWARD AND AWAY FROM SAID ONE SIDE OF SAID HOLDER, EACH OF SAID FASTENING ELEMENTS HAVING ABUTMENT MEANS THEREON NORMALLY ENGAGED WITH SAID HOLDER TO LIMIT THE EXTENT OF MOVEMENT OF SAID STRIPPER MEMBER FROM SAID ONE SIDE OF SAID HOLDER, SAID PUNCH HOLDER HAVING A PLURALITY OF BORES THEREIN, EACH OF SAID SPRING MEANS HAVING AN OPENING THERETHROUGH, SPRING MEANS IN EACH OF SAID BORES, SPRING RETAINING MEANS AT ONE END OF EACH OF SAID BORES ENGAGED BY ONE END OF THE SPRING MEANS THEREIN, ABUTMENT MEANS AT THE OTHER END OF EACH OF SAID BORES, A SLIDABLE MEMBER IN EACH OF SAID BORES ENGAGED BY THE OTHER END OF THE SPRING MEANS THEREIN AND NORMALLY URGED BY THE SPRING MEANS INTO ENGAGEMENT WITH THE ABUTMENT MEANS IN EACH BORE, EACH OF SAID SLIDABLE MEMBERS HAVING A THREADED OPENING THERETHROUGH, AND A PLURALITY OF THREADED PIN MEMBERS EACH RECEIVED IN ONE OF SAID THREADED OPENINGS, ONE END OF EACH OF SAID PIN MEMBERS BEING IN ONLY ABUTTING ENGAGEMENT WITH ONE SIDE OF SAID STRIPPER MEMBER TO BIAS SAID STRIPPER MEMBER FROM SAID PUNCH HOLDER, EACH OF SAID RETAINING MEANS HAVING AN OPENING THERETHROUGH IN ALIGNED RELATION WITH EACH RESPECTIVE PIN MEMBER AND THE OPENING THROUGH RESPECTIVE SPRING MEANS TO PERMIT ACCESS TO THE OTHER END OF SAID PIN MEMBERS FOR VARYING THE POSITION OF THE PIN MEMBERS RELATIVE TO THEIR ASSOCIATED SLIDABLE MEMBERS, EACH OF SAID PIN MEMBERS BEING MOVABLE RELATIVE TO THE SLIDABLE MEMBER ASSOCIATED THEREWITH WITHOUT VARYING THE FORCE AND POSITION OF THE SPRING MEANS ASSOCIATED THEREWITH.