Corpus ID: 116027241

Structure for sewing machine

  title={Structure for sewing machine},
  author={John Landen and ランデン ヤン−オロフ},
PURPOSE: To improve in a sewing function by lifting a presser foot in the manner of motor drive. CONSTITUTION: Concerning a sewing machine provided with an electronic control unit, a needle mechanism thereof is composed of a presser bar 12 provided with a needle bar and driven by an elastic means 22 so as to regulate the pressure of the presser foot to the cloth to be sewn and a lifting device for adjusting the presser foot between an operating position and a non-operating position away from… Expand