Patent ID: 7983782

Claim:
A sewing machine comprising: a plurality of needle bars provided for a sewing operation using a plurality of needle threads; a spool pin stand having a plurality of spool pins to which a plurality of thread spools corresponding to the needle bars are attachable and a plurality of seats which are provided so as to correspond to the spool pins, respectively; a plurality of thread passage defining members defining a thread passage extending from the spool pin stand to the needle bars; a sewing data storage unit which stores sewing data including at least thread color information about colors of the needle threads; a plurality of thread supply display units which are provided on the spool pin stand so as to correspond to the spool pins respectively, the thread supply display units being configured to produce light which transmits through at least ones of the spool pins and the seats and displaying the thread colors in a color-variable manner, respectively; and a thread color information display control unit which controls the thread supply display units based on the thread color information read from the sewing data storage unit, so that a plurality of thread colors corresponding to the spool pins are displayed by the thread supply display units, respectively.