Machine for registering work

Claim 1

IN A MACHINE FOR SETTING FASTENERS TO A FLEXIBLE WORK PIECE HAVING A PRE-PIERCED HOLES THEREIN, WITH A FASTENER ELEMENT ON ONE SIDE OF THE WORK PIECE AND HAVING A PROJECTION EXTENDING THROUGH OF SUCH PRE-PIERCED HOLES AND SECURED BY AN APERTURED ATTACHING ELEMENT ON THE OPPOSITE SIDE OF SAID WORK PIECE, THE COMBINATION COMPRISING (A) ONE DIE SET FOR HOLDING THE FASTENER MEMBER; (B) A SECOND DIE SET FOR HOLDING THE ATTACHING ELEMENT; (C) MEANS INCLUDING A RECIPROCATING FEEDING FINGER FOR MOVING THE ATTACHING ELEMENT INTO POSITION IN SAID SECOND DIE SET; (D) A LOCATING PIN ARRANGED AXIALLY OF SAID SECOND DIE SET AND ADAPTED TO BE RESILIENTLY PROJECTED A SUBSTANTIAL DISTANCE BEYOND SAID SECOND DIE SET INTO POSITION FOR RECEIVING A PRE-PIERCED HOLE IN THE WORK PIECE FOR LOCATING SAID WORK PIECE, SAID LOCATING PIN BEING ADAPTED TO ENGAGE THE FASTENER ELEMENT WHEN SAID DIE SETS ARE MOVED TOWARD EACH OTHER AND TO RETRACT AWAY FROM SUCH PROJECTED POSITION; (E) A CATCH FOR AUTOMATICALLY ENGAGING SAID LOCATING PIN TO RETAIN IT IN SUCH RETRACTED POSITION; AND (F) MEANS CARRIED BY SAID FEED FINGER TO RELEASE SAID CATCH UPON COMPLETION OF THE FEEDING MOVEMENT OF SUCH FINGER.