Birch, Stewart, Kolasch & Birch, LLP
Golf club shaft and golf club using the same
A golf club shaft extending from a tip end to a butt end and made of fiber reinforced resin, comprises a weight being in a range of from 30 to 55 g, a whole length LS between the tip end and the butt end, a center of gravity of the shaft located with a distance LG from the tip end, a ratio of the distance LG to the whole length LS being in a range of from 0.54 to 0.65, a butt end portion which has a length of 300 mm from the butt end toward the tip end, the butt end portion including fibers including a low elastic fiber having an elastic modulus in a range of from 5 to 20 t/mm2, and a high elastic fiber having an elastic modulus greater than 20 t/mm2 and not more than 50 t/mm2.
Dunlop Sports Co. Ltd.
A A A A A
A63B A63B A63B A63B A63B
inventional inventional additional additional additional
Hiroshi Takashi
Hasegawa Nakano