Golf club head
First Claim
1. A golf club head comprising:
- a face line having a depth of D1 (mm); and
a land area,wherein when a boundary between the land area and the face line is defined as a point Pa in a section line of a surface of a face;
a point of which a depth is [D1/4] (mm) is defined as a point Pb;
a point of which a depth is [D1/2] (mm) is defined as a point Pc;
a point of which a depth is [(D1)×
(¾
)] (mm) is defined as a point Pd;
a point of which a depth is 0.002 (mm) is defined as a point Px;
a radius of a circle CL1 passing through three points of the point Pa, the point Pb, and the point Pc is defined as R3 (mm);
a straight line passing through the point Pa and the point Px is defined as a straight line Lax; and
an angle between the land area and the straight line Lax is defined as θ
2 (degree),the radius R3 is 0.2 (mm) or greater and 0.4 (mm) or less, andthe angle θ
2 is 10 degrees or greater and 50 degrees or less.
3 Assignments
0 Petitions
Accused Products
Abstract
A head 2 has a face line 8 having a depth of D1 (mm). When a boundary between a land area and a face line is defined as a point Pa; a point of which a depth is [D1/4] (mm) is defined as a point Pb; a point of which a depth is [D1/2] (mm) is defined as a point Pc; a point of which a depth is [(D1)×(¾)] (mm) is defined as a point Pd; a point of which a depth is 0.002 (mm) is defined as a point Px; a radius of a circle CL1 passing through three points of the point Pa, the point Pb, and the point Pc is defined as R3 (mm); a straight line passing through the point Pa and the point Px is defined as a straight line Lax; and an angle between the land area and the straight line Lax is defined as θ2 (degree), the radius R3 is 0.2 (mm) or greater and 0.4 (mm) or less, and the angle θ2 is 10 degrees or greater and 50 degrees or less.
201 Citations
21 Claims
-
1. A golf club head comprising:
-
a face line having a depth of D1 (mm); and a land area, wherein when a boundary between the land area and the face line is defined as a point Pa in a section line of a surface of a face;
a point of which a depth is [D1/4] (mm) is defined as a point Pb;
a point of which a depth is [D1/2] (mm) is defined as a point Pc;
a point of which a depth is [(D1)×
(¾
)] (mm) is defined as a point Pd;
a point of which a depth is 0.002 (mm) is defined as a point Px;
a radius of a circle CL1 passing through three points of the point Pa, the point Pb, and the point Pc is defined as R3 (mm);
a straight line passing through the point Pa and the point Px is defined as a straight line Lax; and
an angle between the land area and the straight line Lax is defined as θ
2 (degree),the radius R3 is 0.2 (mm) or greater and 0.4 (mm) or less, and the angle θ
2 is 10 degrees or greater and 50 degrees or less. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
Specification