| 摘要 |
<p>An automatic apparatus for sewing elongated workpieces, and especially useful for precisely sewing a pair of concealed slide fastener stringers (78) to a pair of fabric halves (75,76) defining the opening therebetween comprises a table (1) having fabric input guides (4) at the front end of the table (1), a sewing station (3), and a gripper assembly (7) for drawing the fabric pieces from the sewing station (3) under a tension less than that applied by the sewing machinefeed dog and presser foot (10). Individually actuable workpiece holders (6) are provided to permit successive setting up of the fabric pieces (75,76) in the sewing station (3). Fastener stringers (78) are guided to the sewing station (3) with their corded edges (79) supported in guide channels as the stringers (78) are superposed on the respective fabric piece (75,76). The sewing operation proceeds automatically in an extremely precise manner after the sewing station (3) is inputed and the sewing machine (2) started.</p> |
