Patent ID: 6715435
Filing Date: 2004-04-06
Classification: D05B

Abstract:
A sewing machine comprising:a machine body; a sewing needle reciprocably mounted with said machine body, said sewing needle movable between a retracted position and an extended position at which a tip of said needle is positioned to pierce a translating workpiece, thereby passing a sewing strand therethrough, successive piercings of the workpiece defining a stitching line; a detector for determining a lateral position of the stitching line relative to translation of the workpiece; a plurality of lamps operably linked to said detector; wherein illumination of a first of said lamps occurs during a first condition wherein said stitching line is positioned less than a predetermined tolerance distance from a selected position, and illumination of a second of said plurality of lamps occurs during a second condition wherein said stitching line is positioned greater than the predetermined tolerance distance from the selected position.