Illumination device for multineedle sewing machine and the multineedle sewing machine

摘要

An illumination device for a multineedle sewing machine includes an illuminating member which has a light source and located at a lateral side of a needle bar case and is disposed so as to open portions of needle bars and portions of needles, a light amount adjusting unit which adjusts an amount of light of the light source, and a control unit which controls the light amount adjusting unit with movement of the needle bar case by the needle bar case moving mechanism together with the illuminating member so that a predetermined illuminance is maintained at least in part of an illuminated area which is illuminated by the light source. The part of the illuminated area is located near the needle drop position.