Automatic apparatus for conjointly supporting and guiding a tubular workpiece

摘要

A sewing machine apparatus including a work support assembly and a positioning assembly that cooperate in moving a workpiece edge through the sewing station of the machine. The workpiece support assembly is arranged to carry and advance the open end of the workpiece in an endless loop configuration. The positioning assembly operatively rotates wih the work support and is effective to influence the lateral placement of the workpiece edge before and during the sewing cycle.