Slider for one-sided separable fasteners

Claim 1

A SLIDER FOR SEPARABLE FASTENERS COMPRISING A CHANNELLED SLIDER BODY HAVING INNER AND OUTER WALLS JOINED AT ONE WIDE END OF THE SLIDER IN A CONNECTING WEB, THE OUTER WALL HAVING SPACED PROJECTING LUGS, A YOKE ARRANGED UPON AND BRIDGING SAID LUGS, MEANS ON THE OUTER ENDS OF SAID LUGS RETAINING SAID YOKE AGAINST DISPLACEMENT FROM THE LUGS, THE OUTER WALL OF THE SLIDER BODY HAVING AN APERTURE ADJACENT ONE OF SAID LUGS, A LOCK ELEMENT FIXED TO THE OTHER OF SAID LUGS BETWEEN SAID YOKE AND THE END OF SAID OTHER LUG AND HAVING AN END PORTION OPERATING IN SAID APERTURE, SAID END PORTION OF THE ELEMENT HAVING A PROJECTING LOCKING TONGUE NORMALLY EXTENDING INTO THE CHANNEL OF THE SLIDER BODY TO OPERATIVELY ENGAGE SCOOPS OF A FASTENER STRINGER MOVABLE THROUGH THE CHANNELLED SLIDER BODY, A PULL HAVING A PIVOT END ARRANGED BETWEEN SAID ELEMENT AND THE SURFACE OF THE OUTER WALL OF THE SLIDER BODY, AND MEANS COMPRISING A LONGITUDINALLY SLIDABLE SHOE ON SAID OUTER WALL DISPOSED BETWEEN THE PIVOT END OF THE PULL AND SAID ELEMENT FOR MOVING THE ELEMENT INTO INOPERATIVE POSITION IN ONE DIRECTIONAL MOVEMENT OF THE SLIDER BODY BY SAID PULL.