Patent ID: 8177664

Claim:
A putter head comprising: a body member having a face surface for hitting a ball, a crown part to which a hosel is fixed, a sole part, side parts, and a black part; and wherein the back part of the body member has a concavity for accommodating the back member, a tip end part of the back member making direct contact with the back part of the body member in the concavity, and the back member detachably installed to the body member, the back member being detachably installed to the body member with one screw only, wherein the body member has a sole-side flap extending in the same plane as an outer surface of the sole part, the sole-side flap and the back member being fixed with the screw, wherein the body member has a crown-side flap extending parallel with the sole-side flap, the crown-side flap having a positioning opening, and the back member having a positioning protrusion on a crown-side surface of the back member so as to fit the positioning opening.