Patent ID: 7192365
Filing Date: 2007-03-20
Classification: A63B

Abstract:
1. A golf club head comprising: a body having a front face, a rear surface and a cavity extending from the front face toward the rear surface, said cavity having a bottom surface; a face insert disposed in the cavity, said face insert having a front surface and a back surface, said front surface forming a striking surface on the front face of said body; a substrate disposed in said cavity sandwiched between the back surface of said face insert and the bottom surface of said cavity, said substrate including a plurality of elongate rod elements each having a first end, a second end and a side surface, said plurality of elongate rod elements arranged in a parallel closely packed array such that the side surface of each of said plurality of elongate rod elements is in contact with the side surface of an adjacent one of said plurality of elongate rod elements, the first ends of said plurality of elongate rod elements facing said bottom surface of said cavity and said second ends of said plurality of elongate rod elements supporting at least a portion of the back surface of said face insert; and wherein said plurality of elongate rod elements includes elongate rod elements of unequal lengths.