Patents Represented by Attorney A. Ruderman

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  • Kick-up barb for felting needles
    Patent number: 3983611
    Abstract: An improved felting needle barb having a kick-up of novel design such that the barb has greatly improved wear characteristics and more efficient transportation of fibers over an appreciable longer period of operation than existing felting needle barbs.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: October 5, 1976
    Assignee: The Singer Company
    Inventor: Josef Zocher
  • Tufting machines
    Patent number: 3973505
    Abstract: A tufting machine bed having an oscillating looper assembly in which the oscillating mass is counter-balanced by mechanism including a weight which oscillates about a pivot point in the bed in a direction opposite to that of the looper assembly. The oscillatory motion of the counter-balancing assembly is derived from the same oscillating shaft that drives the looper assembly.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: August 10, 1976
    Assignee: The Singer Company
    Inventor: Richard J. Prichard