SEWING MACHINE VIBRATION DAMPENER

Handle vibration dampener

Reinforced blade and spar

Vibration reduction mechanism for a sewing machine

Rotary hook with bobbin case for a lockstitch sewing machine including means to reduce the plays between bobbin case and basket and to reduce the noise thereof

Travel beginning/end adjusting positioning structure for a sewing machine motor drive mechanism

Embroidery frame transfer device

Rotary hook for a locksmith sewing machine, comprising means to reduce the noise thereof

Presser foot drive structure for embroidery machine

Multi-head sewing machine and method of controlling operation of multi-head sewing machine

Clutch structure for presser foot of embroidery sewing machine

Tufting machine head shaker

Sewing arm mechanism of embroidery machine