Patent ID: 6450896
Filing Date: 2002-09-17
Classification: A63B

Abstract:
A golf club head comprising:a hollow shell made of metal by casting and provided on an outer surface with a heel portion, a toe portion, a top portion, a sole portion, a back portion, an open space, and a neck seat located in said top portion and corresponding in location to said heel potion, said neck seat provided with a through hole in communication with a hollow interior of said shell; a neck tube made of a metal material by a mechanical process and lodged in said through hole of said neck seat such that an inner end of said neck tube is extended into said hollow interior of said shell, and that an outer end of said neck tube projects out of said shell to form with said neck seat a neck portion of the golf club head whereby said neck tube is provided with an insertion hole extending along the direction of a longitudinal axis of said neck tube; a ball-hitting plate made of metal by forging, or punching and pressing, said ball-hitting plate corresponding in shape to said open space of said shell whereby said ball-hitting plate is fused with said shell by brazing such that said open space of said shell is covered by said ball-hitting plate; wherein said through hole of said shell has a round cross section and is provided in an inner wall thereof with a planar surface; and wherein said neck tube has a portion which is corresponding in cross sectional profile to said through hole and is received securely in said through hole; and wherein said through hole of said shell is provided in an inner wall thereof with a brazing layer fusing said neck tube with said shell.