Patents Assigned to Jos. Zimmermann
  • Tufting needle
    Patent number: 4480563
    Abstract: In a tufting needle for tufting machines comprising an operative shank portion of oblong cross-section and containing a thread guide and eye and an anchoring shank portion by which the needle is embedded in a needle module, said anchoring portion is of elliptical or rhombic cross-section and the major axes of the cross-sections of both portions are disposed in substantially the same plane.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: November 6, 1984
    Assignee: Jos. Zimmermann
    Inventors: Walter Beyer, Joachim Beyer