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US 2010/0304890 A1Published application
Wedge type golf club head
AssigneeAcushnet Company
InventorsAaron Dill, Charles E. Golden, Gregory D. Johnson, Douglas C. Jorgensen, John Morin
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Abstract
A wedge type golf club head is disclosed herein where the wedge type golf club head has enhanced performance characteristics such as improved backspin, ball speed, and launch angle. More specifically, the present invention relates to a wedge type golf club head having an adjustable center of gravity, where the center of gravity may be adjusted based on different backing profiles that comprises at least one hollow chamber.
Claims20
A wedge type golf club head comprising:
- a hosel;
- a body attached to said hosel at a loft angle, wherein said body further comprises a hitting surface and a rear portion;
- and
- a sole at a bottom of said body at least partially resting on a ground connecting said hitting surface and said rear portion,
- wherein said rear portion further comprises at least one hollow chamber.
2 more elements
A wedge type golf club head comprising:
- a hosel;
- a body attached to said hosel at a loft angle, wherein said body comprises a hitting surface and a rear portion;
- and
- a sole at a bottom of said body at least partially resting on a ground connecting said hitting surface and said rear portion,
- wherein said loft angle is greater than about 45 degrees;
- wherein an upper segment of said rear portion has a thickness of greater than about 4.8 mm and less than about 7.1 mm;
- wherein said golf club head has a center of gravity location that is between about 16 mm and 20 mm away from said ground.
4 more elements
A wedge type golf club head comprising:
- a hosel;
- a body attached to said hosel at a loft angle, wherein said body comprises a hitting surface and a rear portion;
- and
- a sole at a bottom of said body at least partially resting on a ground connecting said hitting surface and said rear portion,
- wherein said loft angle is greater than about 45 degrees;
- wherein said golf club head has a center of gravity location that is between about 16 mm and 20 mm away from said ground;
- and
- wherein said wedge type golf club head has a Performance Ratio of greater than about 530,000 rpm*mph, wherein said Performance Ratio is defined as a launch angle multiplied by a ball speed multiplied by a backspin, all divided by a loft of said golf club head.
5 more elements
Dependencies are inferred from the claim text.