Patent ID: 7699719
Filing Date: 2010-04-20
Classification: A63B

Abstract:
1. A golf club head comprising: a hollow main body provided with an upper opening located in a crown portion of the head, and a crown plate fitted in the upper opening and having a specific gravity less than that of the main body, the main body provided around the upper opening with a crown plate support supporting a peripheral edge part of the inner surface of the crown plate, wherein the crown plate support has a width of not more than 5 mm, and the minimum distance between the upper edge of the club face and the crown plate in the back-and-forth direction of the head is not less than 10 mm, wherein the upper opening is provided within the crown portion so as to form an annular peripheral part of the crown portion, the shapes of the upper opening and crown plate are heart-shaped or V-shaped, and the width of a front part of said annular peripheral part defined as extending along a front edge of the upper opening is gradually increased towards its center in the heel-and-toe direction of the head from the toe and heel of the head.