Patent ID: 6926616
Filing Date: 2005-08-09
Classification: A63B

Abstract:
1. A golf club head comprising: a cast body constituted by a one-piece unitary homogenous hollow outer shell; said hollow outer shell defining a top portion, a sole portion, a heel wall, a toe portion and a face opening portion to which a face portion is to be fixed; a shaft securing portion formed adjacent to said heel wall and extended from said top portion to said sole portion; and a first hollow portion formed between said shaft securing portion and said heel wall of said head body; a second hollow portion formed between said shaft securing portion and said face portion, wherein said shaft securing portion is formed homogeneously with said hollow outer shell to provide a one-piece, unitary, homogenous body, and wherein said sole portion of said hollow outer shell covers substantially a whole of a bottom of said hollow outer shell.