Embroidery sewing machine including carriage for moving embroidery frame attached thereto

An embroidery sewing machine comprising:

• a bed portion extending in a first direction;
• a column portion extending upward from an end portion of the bed portion;
• an arm portion extending in the first direction from an upper end portion of the column portion, the arm portion having one side portion and the other side portion in a second direction crossing the first direction, the arm portion including a support portion provided at only the one side portion of the arm portion;
• and
• a carriage to which an embroidery frame for holding a workpiece is attachable, the carriage comprising:
• a frame moving portion configured to move the embroidery frame in the second direction in a state where the embroidery frame is attached to the carriage;
• and
• a carriage moving portion configured to move the frame moving portion in the first direction, the carriage moving portion being supported by the support portion, the carriage moving portion extending downward and having a lower end portion connected to the frame moving portion.