Golf club head
First Claim
1. A wood type golf club head comprising a striking face, a crown portion, and a sole portion,wherein the striking face includes an impact area, a toe-side area on a toe side with respect to the impact area, and a heel-side area on a heel side with respect to the impact area,at least one groove is formed in the toe-side area and/or the heel-side area,a depth of the groove is 0.025 mm (inclusive) to 0.508 mm (inclusive),a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area,a plurality of first grooves as the at least one groove are formed in the toe-side area,a plurality of second grooves as the at least one groove are formed in the heel-side area, andthe number of the first grooves and the number of the second grooves are different from each other, whereby a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area.
2 Assignments
0 Petitions
Accused Products
Abstract
A wood type golf club head includes a face portion, a crown portion, and a sole portion. The face portion includes an impact area, a toe-side area on a toe side with respect to the impact area, and a heel-side area on the heel side with respect to the impact area. At least one groove is formed in the toe-side area and/or the heel-side area. The depth of the groove is 0.025 mm (inclusive) to 0.508 mm (inclusive). A groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area.
27 Citations
7 Claims
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1. A wood type golf club head comprising a striking face, a crown portion, and a sole portion,
wherein the striking face includes an impact area, a toe-side area on a toe side with respect to the impact area, and a heel-side area on a heel side with respect to the impact area, at least one groove is formed in the toe-side area and/or the heel-side area, a depth of the groove is 0.025 mm (inclusive) to 0.508 mm (inclusive), a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area, a plurality of first grooves as the at least one groove are formed in the toe-side area, a plurality of second grooves as the at least one groove are formed in the heel-side area, and the number of the first grooves and the number of the second grooves are different from each other, whereby a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area.
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6. A wood type golf club head comprising a striking face, a crown portion, and a sole portion,
wherein the striking face includes an impact area, a toe-side area on a toe side with respect to the impact area, and a heel-side area on a heel side with respect to the impact area, at least one groove is formed in the toe-side area and/or the heel-side area, a depth of the groove is 0.025 mm (inclusive) to 0.508 mm (inclusive), a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area, a plurality of first grooves as the at least one groove are formed in the toe-side area, a plurality of second grooves as the at least one groove are formed in the heel-side area, and a pitch of adjacent first grooves and a pitch of adjacent second grooves are different from each other, whereby a groove area occupancy in the toe-side area is different from a groove area occupancy in the heel-side area.
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7. A wood type golf club head comprising a striking face, a crown portion, and a sole portion, wherein
the striking face includes an impact area, a toe-side area on a toe side with respect to the impact area, and a heel-side area on a heel side with respect to the impact area, a plurality of grooves are formed in the toe-side area and/or the heel-side area, a depth of each groove of the plurality of grooves is 0.025 mm (inclusive) to 0.508 mm (inclusive), and a shortest distance between adjacent grooves of the plurality of grooves is less than 1.905 mm.
Specification