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Golf club and shaft therefor

  • US 5,634,860 A
  • Filed: 03/13/1996
  • Issued: 06/03/1997
  • Est. Priority Date: 03/13/1996
  • Status: Expired due to Term
First Claim
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1. A golf club shaft, which comprises:

  • a metallic body extending longitudinally along an axis thereof;

    the body formed with a butt end formed at one end thereof having an inboard extremity of a prescribed diameter and an outboard extremity;

    the body formed with a tip end formed at an end thereof axially opposite the butt end and spaced axially therefrom and having an inboard extremity of a diameter less than the prescribed diameter and an outboard extremity;

    the body formed with an intermediate section which extends from the inboard extremity of the butt end toward the tip end wherein the diameter of an end of the intermediate section which joins the butt end is the same as the prescribed diameter and the diameter of an opposite end of the intermediate section is less than the prescribed diameter;

    a bulge formed in the body along the axis thereof; and

    the bulge formed with radially-outward-extending axially-spaced stepped portions joined with opposite ends of a central shell-like portion between the stepped portions said central shell-like portion extending radially from the axis of the body by a distance which is greater than the diameter of at least the stepped portions immediately adjacent the opposite ends of the central shell-like portion.

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