[특허]Golf club head and method of manufacturing golf club head

Karsten Manufacturing Corporation

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특허 상세정보

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Golf club head and method of manufacturing golf club head

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63B-069/36 A63B-053/04 A63B-053/00
미국특허분류(USC)	473/238; 473/242; 473/251; 473/252; 473/324; 473/340; 473/409
출원번호	US-0437781 (2012-04-02)
등록번호	US-9033812 (2015-05-19)
발명자 / 주소	Solheim, John A. Nicolette, Michael R.
출원인 / 주소	Karsten Manufacturing Corporation
인용정보	피인용 횟수 : 7 인용 특허 : 42

초록
▼

Some embodiments include a golf club. The golf club includes a golf club head body having a face surface arranged for impacting a golf ball, a rear surface opposite the face surface, a sole surface, a crown surface including a first crown surface and a second crown surface, and a toe surface including a first toe surface and a second toe surface. The toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature. At least part of the toe end radius of curvature varies. Other embodiments of related golf clubs and methods are also disclosed.

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1. A golf club comprising: a golf club head body comprising: a face surface arranged for impacting a golf ball;a rear surface opposite the face surface;a sole surface;a crown surface comprising a first crown surface and a second crown surface, the first crown surface being closer to the face surface than is the second crown surface; anda toe surface comprising a first toe surface and a second toe surface, the first toe surface being closer to the face surface than is the second toe surface;wherein: the toe surface is permanently coupled to the crown surface, the face surface, and the sole surface;the crown surface is located opposite the sole surface;the toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature;the first curved boundary surface comprises a first radius of curvature approximately parallel to the face surface and the second curved boundary surface comprises a second radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the first radius of curvature and the second radius of curvature;when the golf club head body is at an address position: the first crown surface is farther from a ground plane than is the second crown surface; andthe second surface is non-parallel to the ground plane;the crown surface interfaces with the toe end curved boundary surface at a first boundary line;andthe second radius of curvature varies such that the first boundary line extends substantially perpendicular to the face surface to form a first alignment aid for the golf club. 2. The golf club of claim 1 wherein: the second radius of curvature varies continuously between the face surface and the rear surface; andthe first radius of curvature remains constant. 3. The golf club of claim 1 wherein: when the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 4. The golf club of claim 1 wherein: the second crown surface comprises a second boundary line and a third boundary line opposite the second boundary line;the second boundary line is closer to the first crown surface than is the third boundary line; andthe second boundary line is farther from the ground plane than is the third boundary line. 5. The golf club of claim 1 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;andthe first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature. 6. The golf club of claim 1 further comprising: a heel surface opposite the toe surface and permanently coupled to the crown surface, the face surface, and the sole surface;wherein: the heel surface comprises a first heel surface and a second heel surface, the first heel surface being closer to the face surface than is the second heel surface;the heel surface transitions to the crown surface at a heel end curved boundary surface comprising a third curved boundary surface where the first heel surface transitions to the first crown surface, a fourth curved boundary surface where the second heel surface transitions to the second crown surface, and a heel end radius of curvature;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface and the fourth curved boundary surface comprises a fourth radius of curvature approximately parallel to the face surface, the heel end radius of curvature comprising the third radius of curvature and the fourth radius of curvature;the crown surface interfaces with the heel end curved boundary surface at a second boundary line;andthe fourth radius of curvature varies such that the second boundary line extends substantially perpendicular to the face surface to form a second alignment aid for the golf club. 7. The golf club of claim 6 further comprising: a hosel at a region substantially midway between the first boundary line and the second boundary line. 8. The golf club of claim 1 wherein: the golf club head body is a unitary body. 9. The golf club of claim 1 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;the first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature;the second radius of curvature varies continuously between the face surface and the rear surface;the first radius of curvature remains constant; andwhen the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 10. A golf club putter comprising: a golf club head body comprising: a face surface arranged for impacting a golf ball;a rear surface opposite the face surface;a sole surface;a crown surface comprising a first crown surface and a second crown surface, the first crown surface being closer to the face surface than is the second crown surface; anda toe surface comprising a first toe surface and a second toe surface, the first toe surface being closer to the face surface than is the second toe surface;wherein: the toe surface is permanently coupled to the crown surface, the face surface, and the sole surface;the crown surface is located opposite the sole surface;the toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature;the first curved boundary surface comprises a first radius of curvature approximately parallel to the face surface and the second curved boundary surface comprises a second radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the first radius of curvature and the second radius of curvature;when the golf club head body is at an address position: the first crown surface is farther from a ground plane than is the second crown surface; andthe second surface is non-parallel to the ground plane;the crown surface interfaces with the toe end curved boundary surface at a first boundary line;the first crown portion is non-coplanar with the second crown portion;andat least part of the toe end radius of curvature varies such that the first boundary line extends substantially perpendicular to the face surface to form a first alignment aid for the golf club putter. 11. The golf club putter of claim 10 wherein: the second radius of curvature varies continuously between the face surface and the rear surface; andthe first radius of curvature remains constant. 12. The golf club putter of claim 10 wherein: when the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 13. The golf club putter of claim 10 wherein: the second crown surface comprises a second boundary line and a third boundary line opposite the second boundary line;the second boundary line is closer to the first crown surface than is the third boundary line; andthe second boundary line is farther from the ground plane than is the third boundary line. 14. The golf club putter of claim 10 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;andthe first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature. 15. The golf club putter of claim 10 further comprising: a heel surface opposite the toe surface and permanently coupled to the crown surface, the face surface, and the sole surface;wherein: the heel surface comprises a first heel surface and a second heel surface, the first heel surface being closer to the face surface than is the second heel surface;the heel surface transitions to the crown surface at a heel end curved boundary surface comprising a third curved boundary surface where the first heel surface transitions to the first crown surface, a fourth curved boundary surface where the second heel surface transitions to the second crown surface, and a heel end radius of curvature;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface and the fourth curved boundary surface comprises a fourth radius of curvature approximately parallel to the face surface, the heel end radius of curvature comprising the third radius of curvature and the fourth radius of curvature;the crown surface interfaces with the heel end curved boundary surface at a second boundary line;andthe fourth radius of curvature varies such that the second boundary line extends substantially perpendicular to the face surface to form a second alignment aid for the golf club putter. 16. The golf club putter of claim 15 further comprising: a hosel at a region substantially midway between the first boundary line and the second boundary line. 17. The golf club putter of claim 10 wherein: the golf club head body is a unitary body. 18. The golf club putter of claim 10 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;the first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature;the second radius of curvature varies continuously between the face surface and the rear surface;the first radius of curvature remains constant; andwhen the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 19. The golf club putter of claim 10 wherein: the first boundary line is configured to sheen. 20. A method of manufacturing a golf club, the method comprising: providing a golf club head body comprising: a face surface arranged for impacting a golf ball;a rear surface opposite the face surface;a sole surface;a crown surface comprising a first crown surface and a second crown surface, the first crown surface being closer to the face surface than is the second crown surface; anda toe surface comprising a first toe surface and a second toe surface, the first toe surface being closer to the face surface than is the second toe surface;providing a shaft; andcoupling the shaft to the golf club head body;wherein: the toe surface is permanently coupled to the crown surface, the face surface, and the sole surface;the crown surface is located opposite the sole surface;the toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature;the first curved boundary surface comprises a first radius of curvature approximately parallel to the face surface and the second curved boundary surface comprises a second radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the first radius of curvature and the second radius of curvature;when the golf club head body is at an address position: the first crown surface is farther from a ground plane than is the second crown surface; andthe second surface is non-parallel to the ground plane;the crown surface interfaces with the toe end curved boundary surface at a first boundary line and the toe surface interfaces with the toe end curved boundary surface at a second boundary line;the first crown portion is non-coplanar with the second crown portion;andat least part of the toe end radius of curvature varies such that the first boundary line extends substantially perpendicular to the face surface to form a first alignment aid for the golf club putter. 21. The method of claim 20 wherein: the second radius of curvature varies continuously between the face surface and the rear surface; andthe first radius of curvature remains constant. 22. The method of claim 20 wherein: when the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 23. The method of claim 20 wherein: the second crown surface comprises a second boundary line and a third boundary line opposite the second boundary line;the second boundary line is closer to the first crown surface than is the third boundary line; andthe second boundary line is farther from the ground plane than is the third boundary line. 24. The method of claim 20 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;andthe first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature. 25. The method of claim 20 wherein providing the golf club head body comprises providing the golf club head body to further comprise: a heel surface opposite the toe surface and permanently coupled to the crown surface, the face surface, and the sole surface;wherein: the heel surface comprises a first heel surface and a second heel surface, the first heel surface being closer to the face surface than is the second heel surface;the heel surface transitions to the crown surface at a heel end curved boundary surface comprising a third curved boundary surface where the first heel surface transitions to the first crown surface, a fourth curved boundary surface where the second heel surface transitions to the second crown surface, and a heel end radius of curvature;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface and the fourth curved boundary surface comprises a fourth radius of curvature approximately parallel to the face surface, the heel end radius of curvature comprising the third radius of curvature and the fourth radius of curvature;the heel surface interfaces with the heel end curved boundary surface at a second boundary line;andthe fourth radius of curvature varies such that the second boundary line extends substantially perpendicular to the face surface to form a second alignment aid for the golf club. 26. The method of claim 25 wherein: the golf club head body further comprises a hosel at a region substantially midway between the first boundary line and the second boundary line. 27. The method of claim 20 wherein: the golf club head body is a unitary body. 28. The method of claim 20 wherein: the crown surface further comprises a third crown surface, the second crown surface being closer to the face surface than is the third crown surface;the toe surface comprises a third toe surface, the second toe surface being closer to the face surface than is the third toe surface;the toe end curved boundary surface comprises a third curved boundary surface where the third toe surface transitions to the third crown surface;the third curved boundary surface comprises a third radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the third radius of curvature;the third crown surface is closer to the ground plane than is the second crown surface;the first radius of curvature and the third radius of curvature are different from at least part of the second radius of curvature;the second radius of curvature varies continuously between the face surface and the rear surface;the first radius of curvature remains constant; andwhen the golf club head body is at the address position, the first crown surface is substantially parallel to the ground plane. 29. The method of claim 20 wherein: the first boundary line is configured to sheen. 30. A golf club comprising: a golf club head body comprising: a face surface arranged for impacting a golf ball;a rear surface opposite the face surface;a sole surface;a crown surface comprising a first crown surface and a second crown surface, the first crown surface being closer to the face surface than is the second crown surface; anda toe surface comprising a first toe surface and a second toe surface, the first toe surface being closer to the face surface than is the second toe surface;wherein: the toe surface is permanently coupled to the crown surface, the face surface, and the sole surface;the crown surface is located opposite the sole surface;the toe surface transitions to the crown surface at a toe end curved boundary surface comprising a first curved boundary surface where the first toe surface transitions to the first crown surface, a second curved boundary surface where the second toe surface transitions to the second crown surface, and a toe end radius of curvature;the first curved boundary surface comprises a first radius of curvature approximately parallel to the face surface and the second curved boundary surface comprises a second radius of curvature approximately parallel to the face surface, the toe end radius of curvature comprising the first radius of curvature and the second radius of curvature;when the golf club head body is at an address position: the first crown surface is farther from a ground plane than is the second crown surface; andthe second surface is non-parallel to the ground plane;the crown surface interfaces with the toe end curved boundary surface at a first boundary line and the toe surface interfaces with the toe end curved boundary surface at a second boundary line;the first crown portion is non-coplanar with the second crown portion;at least part of the toe end radius of curvature varies such that the first boundary line extends substantially perpendicular to the face surface to form a first alignment aid for the golf club putter;andthe second boundary line is aligned askew with the first boundary line in a plane parallel to the ground plane. 31. The golf club of claim 30 wherein: the second radius of curvature varies continuously between the face surface and the rear surface; andthe first radius of curvature remains constant.

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Golf club head and method of manufacturing golf club head

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Golf club head and method of manufacturing golf club head

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