fisher

Claim 1

A MACHINE FOR APPLYING BOTTOM STOPS TO A ZIPPER BLANK, SAID ZIPPER BLANK COMPRISING ELONGATED SIDE-BY-SIDE TAPES AND SCOOPS, SAID TAPES HAVING SCOOP INTERVALS WHEREIN SAID TAPES RESPECTIVELY HAVE SAID SCOOPS SECURED THERETO WITH THE SCOOPS OF ONE TAPE INTERLOCKING WITH THE SCOOPS OF THE OTHER TAPE, SAID TAPES ALSO HAVING SCOOP INTERRUPTION INTERVALS IN WHICH THEY ARE FREE OF SCOOPS; SAID MACHINE COMPRISING AN ANVIL, MEANS FOR DRAWING SAID BLANK OVER SAID ANVIL AND THROUGH SAID MACHINE, MEANS MOUNTING SAID DRAW MEANS AND SAID ANVIL SO THAT ONE IS MOVABLE RELATIVE TO THE OTHER, SAID ANVIL HAVING A THROUGH SLOT OPPOSITE SAID BLANK, A PIN SLIDABLY RECEIVED WITHIN SAID SLOT, SPRING MEANS URGING ONE END OF SAID PIN AGAINST SAID BLANK AND INTO A SCOOP INTERRUPTION INTERVAL, MEANS RESPONSIVE TO THE ENGAGEMENT OF THE TRAILING END OF SAID SCOOP INTERRUPTION INTERVAL AGAINST SAID PIN FOR CAUSING RELATIVE MOVEMENT OF SAID DRAW MEANS AND SAID ANVIL, AND MEANS RESPONSIVE TO SAID RELATIVE MOVEMENT OF SAID DRAW MEANS AND SAID ANVIL TO APPLY A BOTTOM STOP TO SAID BLANK AGAINST SAID ANVIL, SAID STOP THEREBY STRIKING AND RETRACTING SAID PIN, SAID PIN BEING SHAPED FOR RESULTING SLIDING MOVEMENT OF SAID BOTTOM STOP AND SAID SCOOPS OVER SAID END OF SAID PIN FOR RESUMPTION OF MOVEMENT OF SAID BLANK.