Patents Assigned to Don Wright Golf Company
  • Master shaft and method of making golf club shafts therefrom
    Patent number: 4455022
    Abstract: A hollow, tapered master shaft is made of glass fiber cloth impregnated with synthetic polyester resin and has a length of about 55 inches, a wall thickness of about 0.03-0.06 inch, a butt end outside diameter of about 0.80-0.88 inch and a tip end outside diameter of about 0.35-0.42 inch. A golf club shaft is made from this master shaft by cutting away a portion of the length of the master shaft, from one or both ends, to derive the desired length, flexure and butt and tip dimensions.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: June 19, 1984
    Assignee: Don Wright Golf Company
    Inventor: Donald Wright