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US 5,333,862 AGranted
Wood type golf club
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsMitsutake Teramoto, Shinkichi Saito, Hideyo Asabuki
Life of this patent
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AssigneeThe Yokohama Rubber Co., Ltd.
InventorsMitsutake Teramoto, Shinkichi Saito, Hideyo Asabuki
Estimating the term…
A wood type golf club having a club head provided with a sole at the bottom portion thereof, a ball striking face at the front side thereof and a hosel at the heel side thereof, and a club shaft joined to the hosel of the club head, characterized in that a face angle .theta..sub.1 measured on the basis of a direction square with the direction in which a ball is to be driven thereby, toward the side of a closed face of the club head is set to 0.degree.-5.degree. closed face, a lie angle .theta..sub.2 defined as an angle of inclination of the axis of the club shaft with respect to a horizontal line and measured with the sole of the club head contacting a horizontal ground surface being set to 58.degree.-62.degree., an angle of center of gravity .theta..sub.3 defined as an angle which is formed between an extension line of the face of the club head and a straight line crossing the axis of the club shaft at right angles thereto when the club shaft is placed on a horizontal table so that the club head is directed downward therefrom freely, viewing from the side of the sole along the axis of the club shaft being set to 27.degree.-33.degree..
A wood type golf club comprising a club head provided with a sole at a bottom portion thereof, a ball striking face at a front side thereof and a hosel at a heel side thereof, and a club shaft joined to said hoset of said club head, characterized in that a face angle .theta..sub.1 measured on the basis of a direction square with the direction in which a ball is to be driven by said face, toward the side of a closed face of said club head is set to 0.degree.-5.degree. closed face, a lie angle .theta..sub.2 defined as an angle of inclination of the axis of said club shaft with respect to a horizontal line and measured with said sole of said club head contacting a horizontal ground surface being set to 58.degree.-62.degree., an angle of center of gravity .theta..sub.3 defined as an angle which is formed between an extension line of said face of said club head and a straight line crossing the axis of said club shaft at right angles to the axis of said shaft when said club shaft is placed on a horizontal plane with said club head being is directed freely downward from said plane and viewed from said sole along the axis of said club shaft being set to 27.degree.-33.degree..
Dependencies are inferred from the claim text.