Lock slider for slide fasteners

Claim 1

IN A SLIDE FASTENER INCLUDING A PAIR OF STRINGERS HAVING MUTUALLY INTERENGAGEABLE ROWS OF TEETH, A SLIDER MOUNTED THEREON FOR ENGAGING AND DISENGAGING THE SAME COMPRISING; AN ANNULAR RING HAVING A RELATIVELY LARGE OPENING THERETHROUGH ADAPTED TO RECEIVE ONE OR MORE FINGERS OF THE HAND FOR MANUAL APPLICATION OF A SUBSTANTIAL PULLING FORCE THERETO, MEANS ARRANGED ON THE FRONT WALL OF SAID SLIDER TO WHICH SAID RING IS PIVOTALLY ATTACHED, SAID RING HAVING A PERIPHERAL SEGMENT ROTATABLY MOUNTED IN SAID FIRST MEANS WHEREBY SAID RING IS PIVOTALLY ATTACHED TO SAID SLIDER, MEANS ARRANGED INTEGRAL WITH THE INTERIOR PERIPHERAL SURFACE OF SAID RING ADJACENT SAID PERIPHERAL SEGMENT AND EXTENDING RADIALLY INWARDLY THEREFROM AND AROUND SAID FIRST MEANS FOR POSITIONING AND LIMITING THE MOVEMENT OF SAID RING RELATIVE THERETO, AND A LOCKING PIN MOUNTED ON SAID SECOND MEANS AND POSITIONED RADIALLY INWARDLY OF SAID RING AND LATERALLY OF SAID PERIPHERAL MOUNTED SEGMENT THEREOF, THE FORWARD WALL OF SAID SLIDER HAVING AN OPENING THEREIN THROUGH WHICH THE LOCKING PIN IS ADAPTED TO PROJECT NTO ENGAGEMENT WITH THE TEETH WITHIN SAID SLIDER WHEN IN LOCKING POSITION, SAID SECOND MEANS BEING CONSTRUCTED AND ARRANGED SO THAT IT IS ADAPTED TO ABUT THE OUTER SURFACE OF THE FORWARD WALL OF SAID SLIDER AND THE SAID FIRST MEANS TO LIMIT THE MOVEMENT OF THE RING RELATIVE TO SAID SLIDER.