Patent ID: 6599202
Filing Date: 2003-07-29
Classification: A63B

Abstract:
A golf club set comprising:at least three golf clubs having different loft angles changing progressively from a smallest loft angle of a lowest numbered golf club to a largest loft angle of a highest numbered golf club, wherein each of the golf clubs comprises a shaft and a head, the head provided with a hosel having a shaft inserting hole into which the shaft is inserted, and in a standard state of each golf club in which the head is disposed on a horizontal plane so as to show a lie angle and a loft angle thereof, the clubs satisfy the following conditions: Ln&lE;L(n+1) L(n=1)<L(n=m) dn&gE;d(n+1) d(n=1)>d(n=m) â€ƒWherein L is a hosel length, d is an inside diameter of a shaft inserting hole, m is the number of the golf clubs, and Suffix â€œnâ€  to â€œLâ€  and â€œdâ€  means the order number of the club in the ascending order from the lowest numbered club (n=1) to the highest numbered club (n=m), and the hosel length of each club is defined as a length measured from the upper end of the hosel to the horizontal plane along the central axis of the shaft, and a bonding area of the shaft to the shaft inserting hole is substantially constant from the lowest numbered golf club to the highest numbered golf club.