Golf club head having movable weights
View Patent ↗One embodiment of a golf club head having movable weights includes a body with a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown. Two or more weight ports are formed in the body and at least two weights are configured to be retained at least partially within the weight ports.
1. A wood-type golf club head comprising:
a body comprising a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown, wherein the body defines an interior cavity;
at least two weight ports; and
at least one weight having a weight mass between about 10 grams and about 50 grams and configured to be installed at least partially within a weight port formed in the body;
wherein the head has a golf club head origin positioned on the face plate at an approximate geometric center of the face plate, the head origin including an x-axis tangential to the face plate and generally parallel to the ground when the head is ideally positioned, a y-axis generally perpendicular to the x-axis and generally parallel to the ground when the head is ideally positioned and a z-axis perpendicular to the x-axis and y-axis, and wherein an installed at least one weight has a head origin x-axis coordinate greater than about −20 mm and less than about 20 mm, and
wherein a golf club head center of gravity has a head origin y-axis coordinate greater than about 15 mm where the positive y-axis extends from the head origin inwardly toward the cavity, and
wherein a volume of the golf club head is between about 180 cm 3 and about 600 cm 3 .
2. The wood-type golf club head according to claim 1 , wherein the installed at least one weight has a head origin y-axis coordinate between about 0 mm and about 20 mm.
3. The wood-type golf club head according to claim 1 , wherein the installed at least one weight has a head origin y-axis coordinate between about 20 mm and about 50 mm.
4. The wood-type golf club head according to claim 1 , wherein the installed at least one weight has a head origin y-axis coordinate greater than about 50 mm.
5. The wood-type golf club head according to claim 1 , wherein the golf club head center of gravity has a head origin y-axis coordinate less than about 50 mm.
6. The wood-type golf club head according to claim 1 , wherein the golf club head center of gravity has a head origin x-axis coordinate greater than about −10 mm and less than about 10 mm.
7. The wood-type golf club head according to claim 1 , wherein the golf club head has a moment of inertia about a head center of gravity x-axis generally parallel to the origin x-axis between about 140 kg·mm 2 and about 400 kg·mm 2 .
8. The wood-type golf club head according to claim 1 , wherein the golf club head has a moment of inertia about a head center of gravity z-axis generally parallel to the origin z-axis between about 250 kg·mm 2 and about 600 kg·mm 2 .
9. A wood-type golf club head comprising:
a body comprising a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown, wherein the body defines an interior cavity;
at least first and second weight ports formed in the body; and at least a first weight having a mass between about 1 g and about 100 g configured to be retained at least partially within the first weight port and at least a second weight having a mass between about 1 g and about 100 g configured to be retained at least partially within the second weight port;
wherein the head has a golf club head origin positioned on the face plate at an approximate geometric center of the face plate, the head origin including an x-axis tangential to the face plate and generally parallel to the ground when the head is ideally positioned, a y-axis generally perpendicular to the x-axis and generally parallel to the ground when the head is ideally positioned and a z-axis generally perpendicular to both the x-axis and the y-axis, and wherein the first weight has a head origin x-axis coordinate greater than about 0 mm and less than about 60 mm and the second weight has a head origin x-axis coordinate greater than about −60 mm and less than about 0 mm, and
wherein a golf club head center of gravity has a head origin y-axis coordinate greater than about 15 mm where a positive y-axis extends towards the cavity, and wherein a volume of the golf club head is between about 180 cm 3 and about 600 cm 3 .
10. The wood-type golf club head according to claim 9 , wherein the first weight and the second weight have head origin y-axis coordinates greater than about 0 mm and less than about 130 mm.
11. The wood-type golf club head according to claim 9 , wherein the golf club head center of gravity has a head origin y-axis coordinate between about 15 mm and about 50 mm.
12. The wood-type golf club head according to claim 11 , wherein the golf club head center of gravity has a head origin y-axis coordinate between about 15 mm and about 25 mm.
13. The wood-type golf club head according to claim 11 , wherein the golf club head center of gravity has a head origin y-axis coordinate between about 25 mm and about 35 mm.
14. The wood-type golf club head according to claim 11 , wherein the golf club head center of gravity has a head origin y-axis coordinate between about 35 mm and about 50 mm.
15. The wood-type golf club head according to claim 9 , wherein the golf club head center of gravity has a head origin x-axis coordinate greater than −10 mm and less than 10 mm.
16. The wood-type golf club head according to claim 9 , wherein the golf club head has a moment of inertia about a head center of gravity x-axis generally parallel to the origin x-axis between about 140 kg·mm 2 and about 400 kg·mm 2 .
17. The wood-type golf club head according to claim 9 , wherein the golf club head has a moment of inertia about a head center of gravity z-axis generally parallel to the origin z-axis between about 250 kg·mm 2 and about 600 kg·mm 2 .
18. The wood-type golf club head according to claim 9 , wherein the golf club head volume is greater than about 250 cm 3 .
19. A wood-type golf club head comprising:
a body comprising a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown, wherein the body defines an interior cavity; and
at least one weight having a weight volume and a weight mass between about 10 grams and about 50 grams, the at least one weight configured to be installed at least partially within a weight port formed in the body;
wherein the head has a golf club head origin positioned on the face plate at a geometric center of the face plate, the head origin including an x-axis tangential to the face plate and generally parallel to the ground when the head is ideally positioned, a y-axis generally perpendicular to the x-axis and generally parallel to the ground when the head is ideally positioned and a z-axis perpendicular to both the x-axis and y-axis, and
wherein the installed at least one weight has a head origin x-axis coordinate greater than about −40 mm and less than about −20 mm or greater than about 20 mm and less than about 40 mm, and
wherein the golf club head has a center of gravity with a head origin y-axis coordinate greater than about 15 mm where a positive y-axis extends inwardly toward the cavity, and
wherein the head has a golf club head volume, and wherein the golf club head volume is between about 180 cm 3 and about 600 cm 3 .
20. The wood-type golf club head according to claim 19 , wherein the installed at least one weight has a head origin y-axis coordinate between about 0 mm and about 20 mm.
21. The wood-type golf club head according to claim 19 , wherein the installed at least one weight has a head origin y-axis coordinate between about 20 mm and about 50 mm.
22. The wood-type golf club head according to claim 19 , wherein the installed at least one weight has a head origin y-axis coordinate greater than about 50 mm.
23. The wood-type golf club head according to claim 19 , wherein the golf club head center of gravity has a head origin y-axis coordinate less than about 50 mm.
24. The wood-type golf club head according to claim 19 , wherein the golf club head center of gravity has a head origin x-axis coordinate greater than about −10 mm and less than about 10 mm.
25. The wood-type golf club head according to claim 19 , wherein the golf club head has a moment of inertia about a head center of gravity x-axis generally parallel to the origin x-axis between about 140 kg·mm 2 and about 400 kg·mm 2 .
26. The wood-type golf club head according to claim 19 , wherein the golf club head has a moment of inertia about a head center of gravity z-axis generally parallel to the origin z-axis between about 250 kg·mm 2 and about 600 kg·mm 2 .
27. A wood-type golf club head comprising:
a body comprising a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown, wherein the body defines an interior cavity;
at least one weight having a weight volume and weight mass between about 10 grams and about 50 grams, the at least one weight being configured to be installed at least partially within a weight port formed in the body;
wherein the head has a golf club head origin positioned on the face plate at a geometric center of the face plate, the head origin including an x-axis tangential to the face plate and generally parallel to the ground when the head is ideally positioned, a y-axis generally perpendicular to the x-axis and generally parallel to the ground when the head is ideally positioned and a z-axis perpendicular to both the x-axis and y-axis, and wherein the installed at least one weight has a head origin x-axis coordinate less than about −40 mm or greater than about 40 mm, and
wherein the golf club head has a golf club head volume and a golf club head center of gravity, and wherein the golf club head center of gravity has a head origin y-axis coordinate greater than about 15 mm where a positive y-axis extends inwardly towards the cavity, and
wherein the golf club head volume is between about 180 cm 3 and about 600 cm 3 .
28. The wood-type golf club head according to claim 27 , wherein the installed at least one weight has a head origin x-axis coordinate greater than about −60 mm or less than about 60 mm.
29. The wood-type golf club head according to claim 27 , wherein the installed at least one weight has a head origin y-axis coordinate between about 0 mm and about 20 mm.
30. The wood-type golf club head according to claim 27 , wherein the installed at least one weight has a head origin y-axis coordinate between about 20 mm and about 50 mm.
31. The wood-type golf club head according to claim 27 , wherein the installed at least one weight has a head origin y-axis coordinate greater than about 50 mm.
32. The wood-type golf club head according to claim 27 , wherein the golf club head center of gravity has a head origin y-axis coordinate less than about 50 mm.
33. The wood-type golf club head according to claim 27 , wherein the golf club head center of gravity has a head origin x-axis coordinate greater than about −10 mm and less than about 10 mm.
34. The wood-type golf club head according to claim 27 , wherein the golf club head has a moment of inertia about a head center of gravity x-axis generally parallel to the origin x-axis between about 140 kg·mm 2 and about 400 kg·mm 2 .
35. The wood-type golf club head according to claim 27 , wherein the golf club head has a moment of inertia about a head center of gravity z-axis generally parallel to the origin z-axis between about 250 kg·mm 2 and about 600 kg·mm 2 .