Patent ID: 6974394

Claim:
A putter-type club head comprising: a body comprising a front section, an aft section, a heel section, a toe section and a central section, the body having a heel aperture defined by the heel section, central section, front section and aft section, the body having a toe aperture defined by the toe section, central section, front section and aft section, a face wall of the front section having a first mass port and a second mass port, a sole wall of the central section having a third mass port; a first mass member disposed in the first mass port; a second mass member disposed in the second mass port; a third mass member disposed in the third mass port; and a crown plate placed within a recess within the central section of the body; wherein the putter-type club head has a moment of inertia about the Iyy axis through the center of gravity of the club head of at least 500 g-cm 2 .