Patent ID: 6904852

Claim:
A sewing machine with needle holder of needle interval adjustable type comprising loopers comprising mounted on a looper stand movable laterally beneath a needle plate, a main needle holder disposed above the needle plate and having a screw portion for fitting needle bar, a sub needle holder fitted to the main needle holder by a set screw so as to be adjustable in position, and plural needles individually fitted to the needle holders and penetrating through needle holes of the needle plate when descending, whereby capable of narrowing or widening the interval of the plural needles by changing the fitting position of the sub needle holder to the main needle holder when loosening the set screw, characterized in that the fitting position of the sub needle holder to the main needle holder is changed by a longitudinal slit formed linearly in the main needle holder, and cloth penetration lines by at least two needles of the plural needles are mutually arranged in a narrow width.