Thread abnormality detection utilizing integrator and comparator
Thread break indicating device for sewing machines using a photo
Thread control device for stitching machines
Thread detecting apparatus in a sewing machine
Thread monitor for textile machines
Thread monitoring device
Thread picker circuit for industrial sewing machine
Thread trimming device for a lockstitch bar tacking sewing machi
Thread winding safety device of a sewing machine
Toy embroidery machine having rotatable means for activating a s
Tufting machine broken yarn detector
Two-way operation system control device for sewing machines