| 摘要 |
An iron-type golf club head ( 20 ) includes a body ( 22 ) having a front wall ( 28 ) with a ball-striking surface ( 40 ). The body ( 22 ) further includes a rear surface ( 54 ) that has external rear cavity ( 56 ) formed therein. The rear surface ( 54 ) includes an upper portion ( 58 ) and a lower portion ( 60 ). The upper portion ( 60 ) is separated from the lower portion ( 59 ) by the external rear cavity ( 56 ) and at least one groove ( 64, 66 ). The lower portion ( 60 ) of the rear surface ( 54 ) has a notch ( 62 ) formed therein, which communicates with the external rear cavity ( 56 ). The golf club head ( 20 ) preferably has high moments of inertia Izz and Ixx.
|
