Ultrasonic cutting apparatus
Under bed thread trimmer with thread detector stop motion
Under thread detection device for sewing machine
Under thread detection for sewing machines with axially spring b
Under thread supply apparatus
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
Undercut and strengthened posts for polymeric bobbin basket
Unitary adaptor for presser foot attachment
Unitary double-acting piston thread cutter assembly
Universal thread cutting device and complementary devices applic
Upper and lower thread tension devices for sewing machine
Upper thread cassette and upper thread changing device
Upper thread cutting unit in buttonhole sewing machines
Upper thread guide mechanism for sewing machines
Upper thread holding device of sewing machine