Patent ID: 8066581
Filing Date: 2011-11-29
Classification: A63B

Abstract:
1. A golf club head for a putter comprising: a club head comprising a front face with a front width and a rear face with a rear width that is wider than the front width, the head having a total mass, a center of gravity, an X axis with a moment of inertia about the X axis ranging between about 160 kg-mm front and rear center sections with the front center section extending behind the front face and the rear center section extending behind the front center section to the rear face, the front and rear center sections having a constant width that is the same as the front width; front and rear first outer sections that extend laterally outwardly from a first side of the center section and together comprise no less than about 15% of the total mass of the putter head; and front and rear second outer sections that that extend laterally outwardly from a second side of the center section opposite the first side and together comprise no less than about 15% of the total mass of the putter head; wherein a medial axis parallel to the front face and spaced approximately equidistant between the front face and the rear face defines a boundary between the front and rear first outer sections, the front and rear second side sections and the front and rear center sections, respectively, wherein the ratio of the front width to the rear width is no greater than about 0.59:1, and wherein the shortest distance between the center of gravity and the front face ranges between about 45 mm and about 80 mm.