Patent ID: 9623290
Date: 2017-04-18
CPC Classifications: A63B

Claim:
1. A golf club comprising: a head; a shaft having a shaft length defined as Ls, an axial-directional distance between a tip of the shaft and a center of gravity of the shaft defined as Lg, and a ratio Lg/Ls of 0.5 or greater and 0.67 or less; a grip; a club weight defined as Wc (kg); an axial-directional distance between a grip end and a center of gravity of the golf club defined as Lc (cm); a moment of inertia about an axis parallel to a virtual axis of swing and passing through the center of gravity of the golf club defined as Ic (kg·cm a moment of inertia Ix about the virtual axis of swing calculated by the following formula (1): wherein the moment of inertia Ix is equal to or less than 6.90×10