US Patent 7175541 Golf club head

A golf club head includes a body and at least one transparent cover. The body includes a striking face for striking golf balls and a hosel for coupling with a shaft. The body includes a crown in which at least one opening is defined. A perimeter delimiting the opening includes a stepped portion. The transparent cover is securely mounted to the opening of the crown. The transparent cover is 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.