Patent ID: 8597134
Filing Date: 2013-12-03
Classification: A63B

Abstract:
1. A golf club having a value of L not less than 45.5 inches, L representing a club length measured with a 60-degree method, comprising: a shaft; a grip attached to one end of said shaft; and a head attached to the other end of said shaft, and a value of r/L being equal to or not smaller than 0.658 and equal to or not greater than 0.732, where r represents a distance from an upper end of said grip to center of gravity of said golf club; wherein said value of L is not less than 46.5 inches; wherein said value of r/L is equal to or not smaller than 0.693 and equal to or not greater than 0.720; wherein a value of said r is equal to or not smaller than 0.818 m and equal to or not greater than 0.850 m; wherein a value of Lp is equal to or not smaller than 1.082 m and equal to or not greater than 1.109 m, where Lp represents an equivalent pendulum length of said golf club with the upper end of said grip serving as an axis of rotation; and wherein a weight for adjusting said r is arranged in an area distant from the upper end of said grip by not shorter than 0.1 m and not longer than 0.5 m.