| 摘要 |
<p>PURPOSE:To easily prevent hook or slice by arranging a ball hitting adaptive part, which is provided at the face part of head, while shifting its position from the heel side of the head to the toe side according to change from long iron through middle iron to short iron. CONSTITUTION:Concerning the iron club set, each hosel part 7a, each face part 7b and each sole part 7c or the like are integrally molded for each head 7 and set so as to gradually enlarge a loft angle according to the increase of the number of a club. Besides, each sweet spot S is set at the same position of the center in the toe and heel directions of each face part 7b and centroid is arranged at the back of this spot. Further, plural score lines 10 are engraved on each face part 7b, and a ball hitting adaptive part 12 is formed with a fixed width (m) in the toe and heel directions. Then, each ball hitting adaptive part 12 is arranged while gradually shifting its position from the heel side to the toe side according to the change from long iron through middle iron to short iron.</p> |
