IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
UP-0868753
(2007-10-08)
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| 등록번호 |
US-7591737
(2009-10-20)
|
|
발명자
/ 주소 |
- Gibbs, Evan D.
- Hettinger, Ronald K.
- Williams, Luke R.
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
89 인용 특허 :
98 |
초록
▼
A golf club head (42) having a delta of the coefficient of restitution between a geometric face center of the face (72) and a location (806) 0.5 inch sole-ward from the face center that is less than 0.065. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubi
A golf club head (42) having a delta of the coefficient of restitution between a geometric face center of the face (72) and a location (806) 0.5 inch sole-ward from the face center that is less than 0.065. The golf club head (42) preferably has a volume ranging from 420 cubic centimeters to 470 cubic centimeters. The golf club head (42) preferably has a moment of inertia about the Izz axis through the center of gravity of the golf club head greater than 4000 grams-centimeters squared, and a moment of inertia about the Ixx axis through the center of gravity of the golf club head greater than 3000 grams-centimeters squared.
대표청구항
▼
We claim as our invention: 1. A golf club head comprising: a body having a face wall, a crown wall, a sole wall, a heel wall, a rear wall, and a toe wall, wherein the face wall has an approximately rectangular shape and the face wall has a variable thickness; wherein the golf club head has a volume
We claim as our invention: 1. A golf club head comprising: a body having a face wall, a crown wall, a sole wall, a heel wall, a rear wall, and a toe wall, wherein the face wall has an approximately rectangular shape and the face wall has a variable thickness; wherein the golf club head has a volume ranging from 420 cubic centimeters to 470 cubic centimeters and a mass ranging from 190 grams to 250 grams; wherein the face wall has an aspect ratio greater than 1.8 for a golf club head; wherein the golf club head has a moment of inertia about the Izz axis through the center of gravity of the golf club head which is greater than 4000 grams-centimeters squared; wherein the golf club head has a coefficient of restitution that ranges from 0.81 to 0.94, and the golf club head has a vertical standard deviation of coefficient of restitution greater than 0 and less than 0.0290. 2. The golf club head according to claim 1 wherein golf club head has a vertical standard deviation of coefficient of restitution of less than 0.0250. 3. The golf club head according to claim 1 golf club head has a vertical standard deviation of coefficient of restitution of less than 0.0220. 4. The golf club head according to claim 1 wherein the golf club head has a delta of the coefficient of restitution between a geometric face center of the face wall and a location 0.5 inch sole-ward from the face center is less than 0.050. 5. The golf club head according to claim 1 wherein the golf club head has a delta of the coefficient of restitution between a geometric face center of the face wall and a location 0.5 inch sole-ward from the face center ranging from 0.068 to 0.040. 6. A golf club head comprising: a face component composed of a titanium alloy, the face component comprising a striking plate portion and a return portion, the striking plate portion having varying thickness, a rectangular shape, an aspect ratio greater than 1.8, and a face area ranging from 7.0 square inches to 9.0 square inches; and an aft-body coupled to the return portion of the face component, the aft-body composed of a non-metal material having a density less than that of the first material, the aft-body comprising a crown portion, a sole portion, the sole portion having a bottom section and a ribbon section, the ribbon section being located between the crown portion and the bottom section of the sole portion; wherein the golf club head has a mass ranging from 180 grams to 215 grams, a volume ranging from 420 cubic centimeters to 470 cubic centimeters, a moment of inertia, Izz, about the center of gravity of the golf club head greater than 4000 grams-centimeters squared; and wherein the golf club head has a coefficient of restitution that ranges from 0.81 to 0.94, and the golf club head has a vertical standard deviation of coefficient of restitution greater than 0 and less than 0.0290. 7. The golf club head according to claim 6 wherein the golf club head has a delta of the coefficient of restitution between a geometric face center of the face wall and a location 0.5 inch sole-ward from the face center is less than 0.065. 8. A golf club head comprising: a body composed of a titanium alloy and having a face wall, a crown wall, a sole wall, a heel wall, an aft wall, and a toe wall, the face wall having varying thickness, a substantially rectangular shape and an aspect ratio greater than 1.8; wherein the golf club head has a mass ranging from 180 grams to 215 grams, a volume ranging from 420 cubic centimeters to 470 cubic centimeters, a moment of inertia, Izz, about the center of gravity of the golf club head greater than 4000 grams-centimeters squared, and a moment of inertia, Iyy, about the center of gravity of the golf club head ranging from 2000 grams-centimeters squared to 4000 grams-centimeters squared; wherein the golf club head has a coefficient of restitution that ranges from 0.81 to 0.94, and the golf club head has a vertical standard deviation of coefficient of restitution greater than 0 and less than 0.0290. 9. The wood-type golf club head according to claim 8 wherein the body has a geometric center point, an aft-heel edge point and an aft-toe edge point, wherein the distance from the geometric center point to the aft-heel edge point is equal to the distance from the geometric center point to the aft-toe edge point. 10. The wood-type golf club head according to claim 8 further comprising an aft-heel curvature section between the aft wall and the heel wall, and an aft-toe curvature section between the aft wall and the toe wall. 11. The wood-type golf club head according to claim 10 wherein each of the aft-heel curvature section and the aft-toe curvature section has a curvature length ranging from 0.5 inch to 1.0 inch. 12. The wood-type golf club head according to claim 8 wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 50% of the length of the heel wall at an angle of 80 degrees to 90 degrees relative to relative to a plane parallel to the farthest extent of the face. 13. The wood-type golf club head according to claim 8 wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 66% of the length of the heel wall at an angle of 80 degrees to 90 degrees relative to a plane parallel to the farthest extent of the face. 14. The wood-type golf club head according to claim 8 wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 75% of the length of the heel wall at an angle of 80 degrees to 90 degrees relative to a plane parallel to the farthest extent of the face. 15. The wood-type golf club head according to claim 8 wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 90% of the length of the heel wall at an angle of 80 degrees to 90 degrees relative to a plane parallel to the farthest extent of the face. 16. The wood-type golf club head according to claim 8 wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 95% of the length of the heel wall at an angle of 70 degrees to 90 degrees relative to a plane parallel to the farthest extent of the face.
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