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US 2011/0237346 A1Published application
Swingweight adjusted golf club shaft
OwnerDonald S. Bone, Dustin A. Barksdaleinventors
Life of this patent
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Abstract
An improved golf club shaft and corresponding golf club is disclosed. More specifically, a golf club shaft that is capable of minimizing or eliminating swingweight variations within a golf club despite being cut down to various different lengths to accommodate the length and heads of a set of irons is disclosed. The shaft may have an internal wall profile of variable thickness to adjust for various weight and center of gravity variations of a golf club shaft as it is being cut down in length.
Claims9
A plurality of golf clubs comprising:
- a first golf club containing a first shaft having a first fulcrum utilizing a blank shaft;
- a second golf club containing a second shaft having a second fulcrum also utilizing said blank shaft;
- wherein said second shaft is foamed by cutting down the length of said blank shaft;
- and
- wherein an internal wall profile within said blank shaft allows a total moment of said second golf to be similar to a total moment of said first golf club.
2 more elements
Dependencies are inferred from the claim text.