| 摘要 |
A hollow golf club head composed of a forged metal material has a striking surface that is supported by diagonal stiffening regions 42,44,46,48 that extend from a central region 52 of the face 26 toward the heel-sole quadrant 54, heel-crown quadrant 58, toe-crown quadrant 62, and toe-sole quadrants 66 of the face. The diagonal stiffening regions are smoothly contoured to blend into the back surface of the face so as to avoid any stress concentrations. By extending the stiffening regions diagonally from the center of the club face to the four quadrants, a more uniform stress distribution can be obtained and therefore more uniform performance. Additionally, since the diagonal stiffening regions are greater in length than vertical or horizontal stiffening region could be made, the center of the face can deflect a greater amount without exceeding the yield strength of the material and, therefore, there is a more efficient transfer of energy from the club head to the ball. |
