| 摘要 |
Some embodiments include a first golf club head and a second golf club head. The first golf club head includes a body having a face portion, and the second golf club head includes a body having a face portion. Meanwhile, the first club face portion comprises a face surface and at least one first club groove, and the second club face portion comprises a face surface and at least one second club groove. An edge radius of the first club head groove(s) can be less than an edge radius of the second club head groove(s), a base width of the first club head groove(s) can be less than a base width of the second club head groove(s), and/or a sidewall angle of the first club head groove(s) can be greater than a sidewall angle of the second club head groove(s). Other embodiments of related club heads and methods are also disclosed. |
| 主权项 |
1) A set of golf club heads, the set comprising:
a first golf club head comprising: a first top end and a first bottom end opposite the first top end; a first front end and a first rear end opposite the first front end; a first toe end and a first heel end opposite the first toe end; a first club head body comprising a first club face portion; a first club shaft axis comprising a first club top-to-bottom axis extending between the first top end and the first bottom end, a first club front-to-rear axis extending between the first front end and first rear end, and a first club heel-to-toe axis extending between the first heel end and the first toe end; and a first club address configuration;anda second golf club head comprising:
a second top end and a second bottom end opposite the second top end; a second front end and a second rear end opposite the second front end; a second toe end and a second heel end opposite the second toe end; a second club head body comprising a second club face portion; a second club shaft axis comprising a second club top-to-bottom axis extending between the second top end and the second bottom end, a second club front-to-rear axis extending between the second front end and second rear end, and a second club heel-to-toe axis extending between the second heel end and the second toe end; and a second club address configuration;wherein:
the first club face portion comprises a first club face surface and at least one first club groove, the first club face portion being located at the first front end; the first club top-to-bottom axis, the first club front-to-rear axis, and the first club heel-to-toe axis are approximately perpendicular to each other; when the first golf club head is positioned in the first club address configuration:
the first club top-to-bottom axis is approximately perpendicular to a first ground plane; andthe first golf club head comprises a first club loft angle greater than or equal to approximately 55 degrees; each first club groove, respectively, of the at least one first club groove comprises a first club groove base, a first club groove sidewall adjacent to the first club groove base, a first club groove edge point, a first club groove edge radius at the first club groove edge point, and a first club groove central axis approximately perpendicular to the first club groove base; the at least one first club groove is symmetric across the first club groove central axis in a first club cross plane, the first club cross plane being approximately parallel to a first club cross plane formed by the first club top-to-bottom axis and the first club front-to-rear axis; the first club edge point satisfies a Thirty Degree Rule; the first club groove base comprises a first groove base width approximately parallel to the first club face surface and extending approximately perpendicular to the first club heel-to-toe axis; the first club groove sidewall forms a first club groove sidewall angle with the first club groove central axis; the second club face portion comprises a second club face surface and at least one second club groove, the second club face portion being located at the second front end; the second club top-to-bottom axis, the second club front-to-rear axis, and the second club heel-to-toe axis are approximately perpendicular to each other; when the second golf club head is positioned in the second club address configuration:
the second club top-to-bottom axis is approximately perpendicular to a second ground plane; andthe second golf club head comprises a second club loft angle less than approximately 55 degrees; each second club groove, respectively, of the at least one second club groove comprises a second club groove base, a second club groove sidewall adjacent to the second club groove base, a second club groove edge point, a second club groove edge radius at the second club groove edge point, and a second club groove central axis approximately perpendicular to the second club groove base; the at least one second club groove is symmetric across the second club groove central axis in a second club cross plane, the second club cross plane being approximately parallel to a second cross plane formed by the second club top-to-bottom axis and the second club front-to-rear axis; the second club edge point satisfies the Thirty Degree Rule; the second club groove base comprises a second groove base width approximately parallel to the second club face surface and extending approximately perpendicular to the second club heel-to-toe axis; the second club groove sidewall forms a second club groove sidewall angle with the second club groove central axis; the first club groove edge radius is less than the second club groove edge radius; and at least one of:
the first club groove base width is less than the second club groove base width; orthe first club groove sidewall angle is greater than the second club groove sidewall angle. |
