Control apparatus for button sewing machine and button sewing method using the same

摘要

Abutton sewing machine 100 includes an upper button holding portion 2 and a lower button holding portion 4 for holding an upper button A and a lower button B which are to be sewn onto a cloth M, and sewing operation control means (a CPU 71). The sewing operation control means executes to sew the upper button and the lower button onto the cloth in the combination of a first sewing operation control for driving the upper button holding portion and the lower button holding portion in such a manner that a thread inserted through holes A1 and B1 of the upper button and the lower button is inserted through other holes A2 and B2 of the upper button and the lower button, and a second sewing operation control for driving the upper button holding portion and the lower button holding portion in such a manner that the thread inserted through one of the holes of the upper button and the lower button is inserted through one of the other holes of the upper button and one hole of the lower button.