Bobbin thread level detection and display arrangement for a sewi
Bobbin thread run-out detectors
Bobbin thread tension device
Bobbin thread tensioning device for a sewing machine
Bobbin thread winder and sewing machine equipped therewith
Bobbin winding actuation by buttonhole selection
Bobbin winding actuation by presser foot up switch
Body structure for sewing machine
Bound-stators or rotors for electrical machines
Broken yarn detector for multiple yarn manipulating machines
Button attaching machine and method
Button attachment method
Button locating clamp for sewing machines
Buttonhole foot and shank assembly
Buttonhole machine with automatic thread clipping
Buttonhole stitch method
Buttonhole stitching process
Camming arrangement for thread handling device
Case for portable sewing machines
Case for portable sewing machines