Apparatus for charging an amount of yarn in the hook cavity a sewing machine of double seam.

摘要

The present invention relates to a IMPROVED SEWING MACHINE, SEWING MATERIALS AND DO ORNAMENTAL SEAMS OVERLAPPING ON A SIMPLE MATERIAL. The machine comprises: a first supply device for supplying a first sewing thread (5), PROVIDED UNDER THE PARTS TO SEW, a second delivery device (7) for supplying a second sewing thread (6), FORTH ABOVE PARTS TO SEW, a needle (9) ARRANGED ON TOP OF THE REGION OF SEWING AND MEDIA dRIVE THE NEEDLE (9) TO BOOST THE NEEDLE WITH reciprocates ALONG AN AXIS OF MOVEMENT OF THE SAME TO MAKE THE NEEDLE POINT Go through the parts (3,4) to be sewn and engage the first thread (5) is provided SO A KNOT OF THREAD bisected by the second line (6), A as formed stitch seam. The machine has the main feature of further comprising biasing means (18-22) to automatically load the second yarn (6) within a knotting (11) of the device (7) supplying the second string, and means for TRIMMING THE SECOND LINE AT THE END OF THE SECOND OPERATION CHARGING HILO.