Patents Examined by Moshe I. Cohan
  • Arm top cover hinge for sewing machines
    Patent number: 4129922
    Abstract: A hinge for the lid contained on the arm top cover of a sewing machine which comprises a pair of cam shaped pivot pins molded into the arm top cover and a pair of saddles molded into the lid and adapted to receive the pivot pins. A plastic spring havng a pivot pin embracing tab at each end is removably fastened to the lid. The plastic spring imparts a "snapping" action to restrain the lid in an open or closed position.
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: December 19, 1978
    Assignee: The Singer Company
    Inventors: Joseph P. Law, Alfred R. Mack