Patent ID: 6048277
Filing Date: 2000-04-11
Classification: A63B

Abstract:
A golf club head comprising:a hosel for attaching the club head to a club shaft;a club face defining a heel portion adjacent to the hosel, a toe portion located on an opposite side of the face relative to the heel portion, a leading edge extending between the toe portion and the heel portion along a lower portion of the face, a trailing edge extending between the toe portion and the heel portion along an upper portion of the face, a sweet spot defined by an axis of the club face, an elongated smooth surface extending in its elongated direction along at least a portion of the axis and overlying the sweet spot, a plurality of first elongated raised surfaces and first elongated recessed surfaces spaced relative to each other between the first elongated raised surfaces, wherein the first elongated raised surfaces and first elongated recessed surfaces extend between the toe portion and the elongated axis of the club face, and extend downwardly in a direction from the toe portion to the axis, and wherein the first elongated recessed surfaces define a first set of approximately parallel score lines, and each first elongated raised surface is contiguous to at least one respective first score line and extends from one end to the other end of the respective first score line, and a plurality of second elongated raised surfaces and second elongated recessed surfaces spaced relative to each other between the second elongated raised surfaces, wherein the second elongated raised surfaces and second elongated recessed surfaces extend between the heel portion and the elongated axis of the club face, and extend downwardly in a direction from the heel portion to the axis, and wherein the second elongated recessed surfaces define a second set of approximately parallel score lines, and each second elongated raised surface is contiguous to at least one respective second score line and extends from one end to the other end of the respective second score line, and wherein each score line is oriented upwardly at an oblique angle relative to the axis of the club face.