Invention Grant
US08801542B2 Golf club 有权
高尔夫俱乐部

Golf club
Abstract:
A golf club comprises a club shaft and a golf club head attached to the tip end of the club shaft, wherein the length of the golf club is from 45 to 47 inches, the volume V of the golf club head is from 440 to 470 cu·cm, the moment of inertia M of the golf club head around the center line of the club shaft is 5500 to 6500 g sq·cm, and the ratio M/V of the moment of inertia M (g sq·cm) to the volume V (cu·cm) is from 11.0 to 13.5.
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