Under bed thread trimmer with thread detector stop motion
Under trimming device for a multi-needle multi-looper sewing mac
Under trimming device for a multi-needle sewing machine
Under trimming device with inclinedly movable catchers for a mul
Underbed thread trimmer and controlled single-operation cam mech
Underbed thread trimmer for sewing machines
Underbed thread trimmer picking arm
Unitary double-acting piston thread cutter assembly
Universal thread cutting device and complementary devices applic
Upper thread cutting unit in buttonhole sewing machines
Upper thread holding device of sewing machine
Upper thread-hooking device for an industrial sewing machine