Rotary cutting apparatus

Claim 1

APPARATUS FOR CONTINUOUSLY CUTTING A WEB OF KNITTED OR WOVEN CLOTH INTO A PLURALITY OF REPEATING GARMENT BLANK PORTIONS, COMPRISING: A HARD-SURFACED NON-RESILIENT PRESSURE ROLLER, AND BEARING SUPPORTS MOUNTING THE ROLLER FOR ROTATION ABOUT A FIXED HORIZONAL AXIS; AN OPPOSED NONRESILIENT ROLLER MOUNTED FOR ROTATION ABOUT AN AXIS PARALLEL TO THE PRESSURE ROLLER AXIS, THE CUTTER ROLLER HAVING AT ITS PERIPHERY RAISED HARD-SURFACED CUTTING EDGES SHAPTED TO FORM A PLURALITY OF GARMENT BLANK PORTIONS FROM A WEB OF CLOTH WITH INTERMEDIATE WASTE PORTIONS; COLLOR MEANS RIGIDLY HOLDING THE CUTTER ROLLER AGAINST THE PRESSURE ROLLER; MEANS FOR ROTATING THE PRESSURE ROLLER AT A PREDETERMINED PERIPHERAL SPEED WITH A CORRESPONDING ROTATION OF THE CUTTER ROLLER AT THE SAME PERIPHERAL SPEED; MEANS FOR FEEDING THE WEB OF CLOTH FROM ONE SIDE TO THE BITE BETWEEN THE CUTTER ROLLER AND THE PRESSURE ROLLER AT A LINEAR SPEED EQUAL TO THE SAID PERIPHERAL SPEEDS TO CUT THE WEB OF CLOTH INTO THE BLANK PORTIONS AND THE WASTE PORTIONS; A VACUUM WASTE DISPOSAL SYSTEM FOR SELECTIVELY REMOVING AND COLLECTING THE WAST PORTIONS FROM THE CUTTER ROLLER; BELT TRANSFER MEANS INCLUDING A VACUUM SYSTEM FOR SELECTIVELY ATTRACTING ONLY THE BLANK PORTIONS, AND COMPRISING A PAIR OF END ROLLS, A PLURALITY OF SPACED PARALLEL ENDLESS BELTS PASSING AROUND THE END ROLLS AND MOVABLE BETWEEN A GARMENT BLANK RECEIVING SECTION AND A GARMENT BLANK DEPOSITING SECTION, A HOOD MOUNTED WITHIN THE AREA CONFINED BY THE ROLLERS AND THE BELTS, THE HOOD BEING OPEN AT THE BOTTOM AND INCLUDING PORT MEANS FOR COMMUNICATION WITH A VACUUM SOURCE TO ATTRACT THE BLANK PORTIONS TO THE BELTS THROUGH THE SPACES FROM BELOW THE BELTS AT THE RECEIVING SECTION, MEANS FOR MOVING THE BELTS AND THE ATTRACTED BLANK PORTIONS FROM THE RECEIVING SECTION TO THE DEPOSITING SECTION, FLAPPER VALVES EXTENDING TRANSVERSELY OF THE HOOD AND INTERMEDIATE THE ENDS THEREOF TO DIVIDE THE HOOD AND THE BELTS THEREBELOW INTO THE RECEIVING SECTION AND THE DEPOSITING SECTION, THE PORT MEANS BEING ON THE RECEIVING SECTION SIDE OF THE HOOD, AND MEANS FOR BREAKING THE VACUUM IN THE HOOD AT THE DEPOSITING SECTION AND RELEASING THE BLANK PORTIONS FROM THE BELTS WHEN THE BLANK PORTIONS REACH A PREDETERMINED POSITION AT THE DEPOSITING SECTION.