Chain operated working head for material converting machinery

Claim 1

A FORMING HEAD FOR CYCLIC OPERATIONS ALONG A PREDETERMINED PATH COMPRISING A BASE, TWO PAIRS OF ENDLESS TRACKS MOUNTED ON SAID BASE, ONE OF SAID PAIRS OF TRACKS BEING MOUNTED ON EACH SIDE OF SAID PATH, MEANS FOR ACTUATING SAID TRACKS IN UNISON, A PLURALITY OF PAIRS OF COOPERATING FORMING MEMBERS, ONE OF EACH OF SAID PAIRS OF MEMBERS EXTENDING BETWEEN AND BEING ATTACHABLE TO EACH OF SAID PAIRS OF TRACKS FOR PERIODIC MOVEMENT THEREWITH, MEANS MOUNTED ALONG EACH OF SAID TRACKS FOR ENGAGING WITH AND COLLECTIVELY GATHERING SAID MEMBERS AT A GIVEN POINT ALONG SAID TRACKS, LATCH MEANS MOUNTED ON EACH OF SAID MEMBERS FOR INTERLOCKING WITH AND SEQUENTIALLY RENDERING SAID MEMBERS FREE WHEELING WITH RESPECT TO THE MOVEMENT OF SAID TRACKS, SAID ENGAGING AND GATHERING MEANS ACTUATING SAID LATCH MEANS TO RENDER SAID MEMBERS FREE WHEELING, MEANS FOR ACTUATING SAID ENGAGING AND GATHERING MEANS TO SEQUENTIALLY RELEASE PAIRS OF SAID MEMBERS, SAID MEMBERS UPON RELEASE OF SIAD ENGAGING AND GATHERING MEANS INTERLOCKING WITH SAID TRACKS TO MOVE IN UNISON THEREWITH, AND MEANS MOUNTED BETWEEN SAID PAIRS OF TRACKS FOR CAUSING SAID MEMBERS TO ENGAGE EACH OTHER DURING AT LEAST A PART OF THEIR TRAVEL WITH SAID TRACKS TO PERFORM A FORMING ACTION.