Machine for sewing labels and the like

Claim 1

IN A LABEL SEWING MACHINE HAVING A BASE, A RECIPROCATING NEEDLE, A WORK PRESSER PLATE, A CARRIER THEREFOR, A SHAFT HAVING AN INTERMEDIATE PORTION FORMING A DOUBLE CRANK COMPRISED OF TWO RADIAL ARMS AND A CROSS PIN, SAID SHAFT BEING JOURNALLED AT ONE END IN AND EXTENDING FROM SAID CARRIER, MEANS TO ROTATABLY SUSPEND SAID PLATE FROM THE OPPOSITE END OF SAID SHAFT WITH SAID CRANK ADJOINING SAID PLATE IN LINE WITH SAID NEEDLE IN THE STARTING AND END POSITIONS OF A LABEL SEWING OPERATION, FURTHER MEANS SYNCHRONIZED WITH THE OPERATION OF SAID NEEDLE TO OPERATE SAID CARRIER THROUGH A CLOSED PATH SUCH AS TO CAUSE SAID NEEDLE TO SEW A SEAM IN THE WORK CLAMPED BETWEEN SAID PLATE AND SAID BASE ALONG THE CONTOUR OF SAID PLATE AND STARTING AT A POINT ADJOINING SAID CRANK EXTENDING IN A FIRST RADIAL DIRECTION FROM SAID SHAFT, AND MEANS CONTROLLED IN RESPONSE TO THE MOVEMENT OF SAID CARRIER TO ROTATE SAID SHAFT UPON SAID PLATE AND LABEL APPROACHING SAID NEEDLE AT THE END OF A LABEL SEWING CYCLE SUCH AS TO SWING SAID CRANK FROM SAID FIRST DIRECTION TO A DIRECTION OPPOSITE THERETO, TO THEREBY AFFORD SEWING OF A CONTINUOUS SEAM CONFORMING TO THE CONTOUR OF SAID PLATE AND BEING COMPLETELY CLOSED UPON ITSELF.