Differential feeding device for sewing machine

Differential feeding mechanism of the front and rear...

Double chain stitch sewing machine having a looper and a looper

Double chainstitch sewing machine

Double overlock seamer

Double pointed looper actuating mechanism for chain stitch sewin

Double purpose looper for overlocking sewing machine

Double-thread chain-stitch sewing machine

Double-thread hand sewing machine transmission mechanism

Drive mechanism for a sewing machine puller wheel

Driving mechanism for the upper looper in overlock sewing machin

Dry sewing machine including loop spreader

Dual needle bar sewing machine

Dual sewing head serging machine

Dual-chain sewing machine

Dual-function sewing machine