Golf club striking plate with variable bulge and roll
First Claim
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1. A wood-type golf club head comprising:
- a body having a crown, a sole, a striking plate, a heel end and a toe end, the body having a hollow interior and a volume greater than 300 cubic centimeters, the striking plate partitioned into an upper toe quadrant, a lower toe quadrant, an upper heel quadrant and a lower heel quadrant, the striking plate having a first roll radius along a vertical mid-area that divides the upper heel quadrant from the upper toe quadrant and divides the lower heel quadrant from the lower toe quadrant, the striking plate having a second roll radius along an upper toe quadrant or a lower heel quadrant, the second roll radius unequal to the first roll radius.
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Abstract
A golf club head having a striking plate with variable roll radius of curvature and a variable bulge radius of curvature is disclosed herein. The striking plate preferably has a large surface area which requires correction of off-center shots. The striking plate may be used on a fairway wood-type golf club head or a driver-type golf club head. The striking plate is preferably composed of steel or titanium.
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Citations
25 Claims
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1. A wood-type golf club head comprising:
a body having a crown, a sole, a striking plate, a heel end and a toe end, the body having a hollow interior and a volume greater than 300 cubic centimeters, the striking plate partitioned into an upper toe quadrant, a lower toe quadrant, an upper heel quadrant and a lower heel quadrant, the striking plate having a first roll radius along a vertical mid-area that divides the upper heel quadrant from the upper toe quadrant and divides the lower heel quadrant from the lower toe quadrant, the striking plate having a second roll radius along an upper toe quadrant or a lower heel quadrant, the second roll radius unequal to the first roll radius. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A wood-type golf club head comprising:
a body composed of a titanium alloy and having a volume greater than 300 cubic centimeters, the body having a crown, a sole and a striking plate, the striking plate partitioned into an upper toe quadrant, a lower toe quadrant, an upper heel quadrant and a lower heel quadrant, the striking plate having a first bulge radius along a horizontal mid-area that divides the upper toe quadrant from the lower toe quadrant and divides the upper heel quadrant from the lower heel quadrant, the striking plate having a first roll radius along a vertical mid-area that divides the upper toe quadrant from the upper heel quadrant and divides the lower toe quadrant from the lower heel quadrant, the striking plate having a second bulge radius along the upper toe quadrant and a third bulge radius along the lower heel quadrant wherein the first bulge radius, the second bulge radius and the third bulge radius are all unequal, the striking plate having a second roll radius along the upper toe quadrant and a third roll radius along the lower heel quadrant, wherein the first roll radius, the second roll radius and the third roll radius are all unequal. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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23. A wood-type golf club head comprising:
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a body composed of a titanium alloy and having a volume greater than 300 cubic centimeters, the body having a crown, a sole and a striking plate, the striking plate partitioned into an upper toe quadrant, a lower toe quadrant, an upper heel quadrant and a lower heel quadrant, the striking plate having a core face area of the striking plate has an area between 4.80 square inches and 5.20 square inches, the striking plate having a first roll radius along a vertical mid-area of the striking plate;
a second roll radius along an upper toe quadrant of the striking plate;
a third roll radius along a lower heel quadrant of the striking plate;
a first bulge radius along a horizontal mid-area of the striking plate;
a second bulge radius along an upper toe quadrant of the striking plate; and
a third bulge radius along a lower heel quadrant of the striking plate. - View Dependent Claims (24, 25)
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Specification