Patent ID: 7930983

Claim:
A sewing machine comprising: a holding frame for setting thereon a sewing workpiece having a curved surface, said holding frame being rotatable and linearly movable relative to a sewing position; a drive mechanism for relatively rotating and linearly moving said holding frame in accordance with desired sewing pattern data; a mounting member adapted to set the sewing workpiece, having the curved surface, on said holding frame in such a manner that a predetermined sewing reference line of the sewing workpiece forms an inclination of a given angle (δ) relative to a plane perpendicular to a rotation axis of said holding frame; and a data correction section that corrects the desired sewing pattern data in accordance with a predetermined correction function with the given angle (δ) as a variable, wherein a desired sewing pattern is sewn onto the sewing workpiece by said holding frame being relatively rotated and linearly moved in accordance with the sewing pattern data corrected by said data correction section.