Patent ID: 6820565
Filing Date: 2004-11-23
Classification: D05B

Abstract:
An embroidery sewing machine in which a workpiece cloth is moved so that an embroidery pattern is formed thereon, the embroidery sewing machine comprising:a plurality of types of embroidery frames differing in a size and/or a shape from each other and holding the workpiece cloth, the embroidery frames being selectively used; a carriage; a moving mechanism moving the carriage independently in two directions perpendicular to each other; a frame holder to which the embroidery frames are selectively attached, the frame holder including a holder body fixed to the carriage and a movable holder mounted to one of a plurality of positions corresponding to the respective types of the embroidery frames relative to the holder body so that the position of the movable holder is exchangeable; a detector detecting a position of the movable holder relative to the holder body; and a determining unit determining the type of the embroidery frame based on a result of detection by the detector.