Golf club shaft
AssigneeTaylor Made Golf Company, Inc.
InventorsJoseph Morell, Jean-Marc Banchelin
Life of this patent
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Abstract
Tubular golf club shaft made from composite materials comprising layers of fibers impregnated with plastic resin and provided over its length with at least one are of enlargement (6) and or narrowing. The curve of generation of the internal diameter of the shaft as a function of its length beginning at the point of the smallest internal diameter and extending to at least one of the ends of the shaft incorporates at least one decreasing portion.
Claims8
A tubular golf club shaft made of composite materials comprising layers of fibers impregnated with plastic resin and provided over its length, with at least one area of narrowing, wherein a curve of generation of a diameter of said shaft as a function of length beginning at a point of smallest diameter and extending toward one end of said shaft incorporates a substantially cylindrical portion, and a filling ring surrounding said at least one area of narrowing, wherein said filling ring is made of a material which is different from said composite materials of said shaft and wherein said filling ring is made of a metal or a metal alloy.
A tubular golf club shaft made of composite materials comprising layers of fibers impregnated with plastic resin and provided, over its length, with at least one area of narrowing, wherein a curve of generation of a diameter of said shaft as a function of length beginning at a point of smallest diameter and extending toward one end of said shaft incorporates a substantially cylindrical portion, and a filling ring surrounding said at least one area of narrowing, wherein said filling ring is made of a material which is different from said composite materials of said shaft and wherein said filling ring is made of a material of higher density than a density of said shaft.
Dependencies are inferred from the claim text.