Patent ID: 8821311

Claim:
A golf club head comprising: a body member having a ball striking face, a crown, a toe, a heel, a sole and a back, wherein the body member is configured for attachment to a shaft having a longitudinal axis, the body member including an apex point located on the leading edge of the heel; the body member having a first cross-section oriented generally parallel to a front face of the club head, the first cross-section including the apex point and an x 1 -axis extending from the apex point at a predetermined angle relative to the ground surface, the first cross-section having a first quasi-parabolic crown-side surface defined relative to the x 1 -axis; the body member having a second cross-section oriented at an angle rearwardly from the first cross-section, the second cross-section including the apex point and an x 2 -axis extending from the apex point at the same predetermined angle as the x 1 -axis, the second cross-section having a second quasi-parabolic crown-side surface defined relative to the x 2 -axis, wherein the second quasi-parabolic crown-side surface is flatter than the first quasi-parabolic crown-side surface in the heel region.