| 摘要 |
An automatic sewing machine includes a device for advancing and sewing a workpiece having a plurality of edges contiguous to each other in angular relationship, a device for guiding the edges of the workpiece in succession while the workpiece is being sewn, and a device for turning the workpiece about the sewing point of the sewing machine after one edge of the workpiece has been sewn to align another edge of the workpiece contiguous to such one edge with the advancing direction of the work.
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