Putter-type club head
First Claim
1. A putter-type club head comprisinga head main body having a front surface defining a face for hitting a ball and a rear surface opposite the front surface, anda plurality of rod members firmly fixed to said head main body and extending beyond the rear surface of the head main body,said rod members comprisinga toe side rod member provided in a toe side of the head main body,a heel side rod member provided in a heel side of the head main body andan intermediate rod member provided therebetween, andeach said rod member having a high specific gravity larger than said head main body,whereina part of each rod member extends perpendicularly to a horizontal tangent line which is in contact with a sweet spot of the face in a plan view of the club head,each rod member is provided without contacting each other, andwherein a protruding length Lt (mm) from the rear surface of the head main body to a rear end of the toe side rod member, a protruding length Lc (mm) from the rear surface of the head main body to a rear end of the intermediate rod member and a protruding length Lh (mm) from the rear surface of the head main body to a rear end of the heel side rod member satisfy the following relation:
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1.0≦
Lt/Lc≦
4.0
1.0≦
Lh/Lc≦
4.0.
1 Assignment
0 Petitions
Accused Products
Abstract
A putter-type club head comprises a head main body with a face for hitting a ball in a front side, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head. The rod members comprise a toe side rod member provided in a toe side, a heel side rod member provided in a heel side and an intermediate rod member provided therebetween. Each rod member has a high specific gravity larger than said head main body.
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Citations
20 Claims
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1. A putter-type club head comprising
a head main body having a front surface defining a face for hitting a ball and a rear surface opposite the front surface, and a plurality of rod members firmly fixed to said head main body and extending beyond the rear surface of the head main body, said rod members comprising a toe side rod member provided in a toe side of the head main body, a heel side rod member provided in a heel side of the head main body and an intermediate rod member provided therebetween, and each said rod member having a high specific gravity larger than said head main body, wherein a part of each rod member extends perpendicularly to a horizontal tangent line which is in contact with a sweet spot of the face in a plan view of the club head, each rod member is provided without contacting each other, and wherein a protruding length Lt (mm) from the rear surface of the head main body to a rear end of the toe side rod member, a protruding length Lc (mm) from the rear surface of the head main body to a rear end of the intermediate rod member and a protruding length Lh (mm) from the rear surface of the head main body to a rear end of the heel side rod member satisfy the following relation: -
1.0≦
Lt/Lc≦
4.0
1.0≦
Lh/Lc≦
4.0. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A putter-type club head comprising
a head main body having a front surface defining a face for hitting a ball, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head, said rod members comprising a toe side rod member provided in a toe side of the head main body, a heel side rod member provided in a heel side of the head main body and an intermediate rod member provided therebetween, each said rod member having a high specific gravity larger than that of said head main body, wherein respective centers of gravity of protruding portions of the toe side rod member and the heel side rod member are located lower than a center of gravity of a protruding portion of said intermediate rod member.
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18. A putter-type club head comprising
a head main body having a front surface defining a face for hitting a ball, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head, said rod members comprising a toe side rod member provided in a toe side of the head main body, a heel side rod member provided in a heel side of the head main body and an intermediate rod member provided therebetween, each said rod member having a high specific gravity larger than that of said head main body, wherein a part of each rod member extends perpendicularly to a horizontal tangent line which is in contact with a sweet spot of the face in a plan view of the club head, each rod member is provided without contacting each other, respective protruding lengths of the toe side rod member and the heel side rod member are longer than a protruding length of said intermediate rod member, and the rear ends of said toe side rod member and the heel side rod member are located beyond the rear end of said intermediate rod member toward the rear side of the head.
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19. A putter-type club head comprising
a head main body having a front surface defining a face for hitting a ball, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head, said rod members comprising a toe side rod member provided in a toe side of the head main body, a heel side rod member provided in a heel side of the head main body and an intermediate rod member provided therebetween, each said rod member having a high specific gravity larger than that of said head main body, wherein a part of each rod member extends perpendicularly to a horizontal tangent line which is in contact with a sweet spot of the face in a plan view of the club head, each rod member is provided without contacting each other, and respective centers of gravity of protruding portions of the toe side rod member and the heel side rod member are located beyond a center of gravity of a protruding portion of said intermediate rod member toward the rear side of the head.
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20. A putter-type club head comprising
a head main body having a front surface defining a face for hitting a ball, and a plurality of rod members firmly fixed to said head main body and extending to a rear side of the head, said rod members comprising a toe side rod member provided in a toe side of the head main body, a heel side rod member provided in a heel side of the head main body and an intermediate rod member provided therebetween, each said rod member having a high specific gravity larger than that of said head main body, wherein a part of each rod member extends perpendicularly to a horizontal tangent line which is in contact with a sweet spot of the face in a plan view of the club head, each rod member is provided without contacting each other, and respective centers of gravity of protruding portions of the toe side rod member and the heel side rod member are located lower than a center of gravity of a protruding portion of said intermediate rod member.
Specification