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US 6,203,448 B1Granted
Metallic hollow golf club head
AssigneeThe Yokohama Rubber Co., Ltd.
InventorShinji Yamamoto
Life of this patent
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AssigneeThe Yokohama Rubber Co., Ltd.
InventorShinji Yamamoto
Estimating the term…
A metallic hollow golf club head comprising a sole plate molded from a light metal and formed with a fitting hole, and a weight of a heavy metal press-fitted into the fitting hole and fixed solidly to the sole plate. Also disclosed is a metallic hollow golf club head comprising a sole plate molded from a light metal and formed with a fitting hole, and a weighted structure comprising a weight of a heavy metal press-fitted into a ring-shaped spacer of the same light metal as the sole plate, the weighted structure being fitted into the fitting hole, and the ring-shaped spacer and the sole plate being welded together. Also disclosed is metallic hollow golf club head comprising a sole plate molded from a light metal and formed with a fitting hole, and a weighted structure comprising a weight of a heavy metal wrapped with a belt-shaped spacer of the same light metal as the sole plate, the weighted structure being fitted into the fitting hole, and the belt-shaped spacer and the sole plate being welded together.
A metallic hollow golf club head comprising a sole plate molded from a light metal and formed with a fitting hole, and a weighted structure comprising a weight of a heavy metal press-fitted into a ring-shaped spacer of the same light metal as said sole plate, said weighted structure being fitted into said fitting hole, and said ring-shaped spacer and said sole plate being welded together.
Dependencies are inferred from the claim text.