Bobbin holder for a sewing machine

Bobbin holding structure

Bobbin housing assembly in a sewing machine having at least one

Bobbin in run-out detector, and a bobbin changing mechanism inco

Bobbin loading apparatus for sewing machines

Bobbin low detector

Bobbin thread case opener

Bobbin thread control means for a lock stitch sewing machine

Bobbin thread cutting device of a sewing machine

Bobbin thread depletion detector for sewing machine

Bobbin thread holding device for lock stitch sewing machine cutt

Bobbin thread level detection and display arrangement for a sewi

Bobbin thread pull-off for lockstitch looptaker

Bobbin thread run-out detectors

Bobbin thread tension device

Bobbin thread tension device

Bobbin thread tensioning device for a sewing machine

Bobbin thread winder and sewing machine equipped therewith

Bobbin winder arrangement for sewing machine looptaker

Bobbin winding actuation by buttonhole selection