Upper feeding device of a sewing machine
Upper knife releasing device in an overlock sewing machine
Upper layer feed mechanism in a sewing machine
Upper looper driving device of sewing machine
Upper looper provided with a hole and used for making an overedg
Upper roller feed mechanism for a sewing machine
Upper shaft phase detecting system for sewing machines
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
Upper thread supplying device in sewing machine
Upper thread take-up levers for sewing machines
Upper thread tension adjusting assembly with automatic release d
Upper thread tension device of a sewing machine
Upper thread-hooking device for an industrial sewing machine
Using a variable speed motor in a tape feed device for a sewing