Patents Examined by Peter P. Nerbon
  • Sewing machine head end module construction
    Patent number: 4421042
    Abstract: A sewing machine is disclosed in which the stitch forming instrumentalities in the head end including the needle carrying bar, the needle thread take up and tension devices, the presser mechanism and presser lifter are all carried on a module frame which can be manufactured by a single molding operation without requiring subsequent machining operations.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: December 20, 1983
    Assignee: The Singer Company
    Inventor: Karl H. Killinger