Apparatus for stretching webs

Claim 1

AN APPARATUS FOR STRETCHING WEBS COMPRISING A FRAME, STANDARDS SUPPORTING SAID FRAME, A PLURALITY OF CROSS MEMBERS SECURED TO SAID FRAME, A PLURALITY OF BEARINGS, THREE FOR EACH CROSS MEMBER, FASTENED TO THE ENDS AND THE CENTER OF EACH CROSS MEMBER, A PLURALITY OF SHAFTS, ONE FOR EACH CROSS MEMBER, EACH SHAFT HAVING A RIGHT HAND THREAD SECTION, A LEFT HAND THREAD SECTION AND A MEDIAL BEARING AREA, SAID SHAFTS ROTATIVELY MOUNTED IN SAID PLURALITY OF BEARINGS WITH SAID MEDIAL BEARING AREA LOCATED IN THE BEARINGS FASTENED TO THE CENTER OF THE CROSS MEMBER, A PLURALITY OF HAND WHEELS, MEANS FASTENING A HAND WHEEL TO EACH OF SAID PLURALITY OF SHAFTS, A PLURALITY OF SADDLES TWO FOR EACH CROSS MEMBER, A PLURALITY OF NUTS, ONE FOR EACH SADDLE, NUT SECURED IN EACH SADDLE, ONE NUT SLIDABLY MOUNTING ONE SADDLE TO A CROSS MEMBER AND TO A RIGHT HAND THREAD SECTION, ANOTHER NUT SECURED IN ANOTHER SADDLE SLIDABLY MOUNTING THE LAST MENTIONED SADDLE TO THE LAST MENTIONED CROSS MEMBER AND TO THE LEFT HAND THREAD SECTION OF THE SAME SHAFT WHEREBY ROTATION OF THE SHAFT IN ONE DIRECTION DRAWS THE SADDLES TOWARD EACH OTHER AND ROTATION OF THE SHAFT IN AN OPPOSITE DIRECTIONS SEPATATES SAID SADDLES, A PLURALITY OF EXPANSION BLOCKS ONE FOR EACH SADDLE, MEANS SLIDABLY MOUTING AN EXPANSION BLOCK IN EACH SADDLE, A PLURALITY OF PIVOT PINS, ONE FOR EACH EXPANSION BLOCK, MEANS FASTENING A PIVOT PIN IN EACH EXPANSION BLOCK, A PLURALITY OF RAILS, MEANS PIVOTALLY MOUNTING THE END OF ONE RAIL TO THE END OF THE ADJACENT RAIL THROUGH SAID PIVOT PINS, THEREBY TO PROVIDE TWO PIVOTALLY CONNECTED ADJACENT LONGITUDINALLY TENTER CLIP RAILS LOCATED BERAILS BEING LONGER THAN THE INDIVIDUAL RAILS LOCATED BETWEEN THE END RAILS, THE RAILS INTERMEDIATE THE END RAILS BEING SHORT WHEREBY ADJACENT RAILS OF SHORT STRAIGHT SECTION PRODUCE A PATH OF SMOOTH CURVATURE BETWEEN ADJACENT TENTER CLIP RAILS, SAID SHAFTS PROVIDING INCREMENTIAL ADJUSTMENT BETWEEN PAIRS OF RAILS CONTROLLED BY THE SAME SHAFT AND INCREMENTAL ADJUSTMENT BETWEEN ADJACENT RAILS, THE SADDLES INTERMEDIATE THE END RAILS COMPRISING AN OLD NUMBER, A PLURALITY OF TENTER CLIPS, MEANS UNITING SAID PLURALITY OF TENTER CLIPS INTO TWO TENTERING CHAINS, ONE TENTER CHAIN SLIDABLY MOUNTED IN ONE LONGITUDINAL TENTER CLIP RAIL AND THE OTHER TENTER CHAIN SLIDABLY MOUNTED IN THE OTHER OF THE TWO LONGITUDINAL TENTER CLIP RAILS AND MEANS TO ROTATE THE TWO TENTER CLIP CHAINS AT UNIFORM SPEED AND IN THE PATH DETERMINED BY ADJACENT SADDLES.

Claim 2

AN APPARATUS FOR STRETCHING WEBS COMPRISING A FRAME, STANDARDS SUPPORTING SAID FRAME, A PLURALITY OF CROSS MEMBERS SECURED TO SAID FRAME, A PLURALITY OF BEARINGS, THREE FOR EACH CROSS MEMBER, FASTENED TO THE ENDS AND THE CENTER OF EACH CROSS MEMBER, A PLURALITY OF SHAFTS, ONE FOR EACH CROSS MEMBER, EACH SHAFT HAVING A RIGHT HAND THREAD SECTION, A LEFT HAND THREAD SECTION AND A MEDIAL BEARING AREA, SAID SHAFTS ROTATIVELY MOUNTED IN SAID PLURALITY OF BEARINGS WITH SAID MEDIAL BEARING AREA LOCATED IN THE BEARINGS FASTENED TO THE CENTER OF THE CROSS MEMBER, A PLURALITY OF HAND WHEELS, MEANS FASTENING A HAND WHEEL TO EACH OF SAID PLURALITY OF SHAFTS, A PLURALITY OF SADDLES TWO FOR EACH CROSS MEMBER, A PLURALITY OF NUTS, ONE FOR EACH SADDLE, NUT SECURED IN EACH SADDLE, ONE NUT SLIDABLY MOUNTING ONE SADDLE TO A CROSS MEMBER AND TO A RIGHT HAND THREAD SECTION, ANOTHER NUT SECURED IN ANOTHER SADDLE SLIDABLY MOUNTING THE LAST MENTIONED SADDLE TO THE LAST MENTIONED CROSS MEMBER AND TO THE LEFT HAND THREAD SECTION OF THE SAME SHAFT WHEREBY ROTATION OF THE SHAFT IN ONE DIRECTION DRAWS THE SADDLES TOWARD EACH OTHER AND ROTATION OF THE SHAFT IN AN OPPOSITE DIRECTIONS SEPATATES SAID SADDLES, A PLURALITY OF EXPANSION BLOCKS ONE FOR EACH SADDLE, MEANS SLIDABLY MOUTING AN EXPANSION BLOCK IN EACH SADDLE, A PLURALITY OF PIVOT PINS, ONE FOR EACH EXPANSION BLOCK, MEANS FASTENING A PIVOT PIN IN EACH EXPANSION BLOCK, A PLURALITY OF RAILS, MEANS PIVOTALLY MOUNTING THE END OF ONE RAIL TO THE END OF THE ADJACENT RAIL THROUGH SAID PIVOT PINS, THEREBY TO PROVIDE TWO PIVOTALLY CONNECTED ADJACENT LONGITUDINALLY TENTER CLIP RAILS LOCATED BERAILS BEING LONGER THAN THE INDIVIDUAL RAILS LOCATED BETWEEN THE END RAILS, THE RAILS INTERMEDIATE THE END RAILS BEING SHORT WHEREBY ADJACENT RAILS OF SHORT STRAIGHT SECTION PRODUCE A PATH OF SMOOTH CURVATURE BETWEEN ADJACENT TENTER CLIP RAILS, SAID SHAFTS PROVIDING INCREMENTIAL ADJUSTMENT BETWEEN PAIRS OF RAILS CONTROLLED BY THE SAME SHAFT AND INCREMENTAL ADJUSTMENT BETWEEN ADJACENT RAILS, THE SADDLES INTERMEDIATE THE END RAILS COMPRISING AN OLD NUMBER, A PLURALITY OF TENTER CLIPS, MEANS UNITING SAID PLURALITY OF TENTER CLIPS INTO TWO TENTERING CHAINS, ONE TENTER CHAIN SLIDABLY MOUNTED IN ONE LONGITUDINAL TENTER CLIP RAIL AND THE OTHER TENTER CHAIN SLIDABLY MOUNTED IN THE OTHER OF THE TWO LONGITUDINAL TENTER CLIP RAILS AND MEANS TO ROTATE THE TWO TENTER CLIP CHAINS AT UNIFORM SPEED AND IN THE PATH DETERMINED BY ADJACENT SADDLES.