| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To raise stability in the shape of a thinned crown. <P>SOLUTION: An empty space is internally formed in a golf club head 1 by performing integral welding in a sole wall part 14 forming a sole part with a head main part 11 which has a side wall part 15 arranged from a tow to a heel, a hosel 16, a crown opening Oc at a crown side and a face opening Of at a front part, a crown member 13 which forms the crown by being attached to the crown opening Oc and a face member 12 which is attached to the face opening Of. The face member 12 includes a bending part 12a which is bent backward at least at the edge of the crown. The crown member 13 is provided with a 0.3-1.5 mm thickness. Key shape parts 10 which include a reception piece 10B for receiving the inner surface of the bending part 12a via a droop piece 10A drooping toward the inner surface at the side of the empty space of the bending part 12a is formed at the front edge of the crown member 13. <P>COPYRIGHT: (C)2003,JPO</p> |
