Double-needle-bed warp knitting machine

Claim 1

IN A WRAP KNITTING MACHINE, A PAIR OF NEEDLE BEDS AND MEANS FOR MOVING THE NEEDLES OF EACH BED THROUGH THE KNITTING CYCLE, YARN FEEDING MEANS, PRIMARY MOVABLE GUIDE BARS IN PROXIMITY TO SAID NEEDLE BEDS RESPECTIVELY, EACH GUIDE BAR BEING ADAPTED TO MOVE BACK AND FORTH ONLY WITH RESPECT TO ITS OWN NEEDLE BED AND CONTROLLING THE DISPOSITION OF YARN WITH RESPECT TO THE NEEDLES OF SAID BED, A THIRD MOVABLE GUIDE BAR ADAPTED TO MOVE BACK AND FORTH WITH RESPECT TO BOTH NEEDLE BEDS AND CONTROLLING THE DISPOSITION OF YARN WITH RESPECT TO THE NEEDLES OF BOTH BEDS, MEANS FOR MOVING SAID GUIDE BARS IN SUCH TIMED RELATION THAT THE YARN-POSITIONING MOVEMENTS OF SAID THIRD GUIDE BAR WITH RESPECT TO EACH NEEDLE BED OCCUR WITH THE YARN-POSITIONING MOVEMENTS OF THE CORRESPONDING PRIMARY GUIDE BAR, MEANS FOR VARYING THE DISTANCE BETWEEN SAID NEEDLE BEDS, AND MEANS FOR CORRESPONDINGLY VARYING THE RANGE OF THE BACK-AND-FORTH MOVEMENT OF SAID THIRD GUIDE BAR.