Patent ID: 7175541

Claim:
A golf club head comprising: a metal body including a striking face for striking golf balls and a hosel adapted to couple with a shaft, the body including a crown, at least one opening being defined in the crown, a perimeter delimiting the opening including a stepped portion, said opening extending from the crown to a sole of the body to provide a sidewall gap; and at least one nonmetal transparent cover securely mounted to said at least one opening of the crown, said at least one transparent cover having a downward-bent extension extended from the crown to the sole, said downward-bent extension covering said sidewall gap of the body, the transparent cover being made of a transparent material having a specific gravity smaller than 1.5 g/cm3 for reducing a weight of the crown of the golf club head and for shifting a center of gravity of the golf club head downward and rearward.