Patents by Inventor Rex F. Darlington

Rex F. Darlington has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4124014
    Abstract: An adjustable grip for a compound bow which allows adjustment of draw length without change of a bow structure or string length, this being accomplished by providing a fore and aft adjustment of the bow grip relative to the main handle portion. The grip includes two members extending from a bow handle with a spacer mounted therebetween with slots to permit the spacer to be moved and locked in the direction of the strung bow string and also in the direction toward either of the two members. A grip handle is mounted below the spacer.
    Type: Grant
    Filed: December 10, 1976
    Date of Patent: November 7, 1978
    Inventor: Rex F. Darlington
  • Patent number: 4079723
    Abstract: A compound bow structure with a bow grip and arrow sight window offset to one side of the bow center with an overcenter pulley at the flexing ends guiding the nocking stretch centrally of the grip and additional tension cables centrally of the flexing limbs wherein the full draw tension is central of the limbs to avoid twisting of the limbs in draw.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: March 21, 1978
    Inventor: Rex F. Darlington
  • Patent number: 3987777
    Abstract: An archery bow with an improved construction for reducing the holding force at the end of the draw, the bow having a non-flexing handle portion and flexing limbs extending therefrom with pulley means eccentrically mounted at each end of the handle portion with concentric pulleys at the ends of the flexing limbs and a bowstring passing over each said eccentric pulley and said concentric pulleys to assure equality of motion of said eccentric pulleys as the arrow is drawn to a release position.
    Type: Grant
    Filed: February 10, 1975
    Date of Patent: October 26, 1976
    Inventor: Rex F. Darlington