Head of wooden golf club

Details Head of wooden golf club Head of wooden golf club

2000-01-06

2002-04-09

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S349000, C473S345000

Reexamination Certificate

active

06368233

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates generally to a wooden golf club, and more particularly to a head of the wooden golf club.
BACKGROUND OF THE INVENTION
The head of a conventional wooden golf club is of a hollow construction and is formed of two or three shell members which are joined together by welding. As shown in
FIG. 1
, a typical head of the conventional golf club is made by casting or forging and is composed of a base shell
91
, a front shell
92
, and a top shell
93
, which are joined together by welding. The head has a center of gravity, which is preferably kept as low as possible so as to enable the head to hit a ball to fly as far as possible. Such a feat may be attained by making use of the top shell
93
of a light metal, such as titanium, the base shell
91
and the front shell
93
which are made of a heavy metal, such as stainless steel. However, such a combination as described above is technically infeasible in view of the fact that the welding of titanium must be done in a vacuum booth or in a booth containing an inert gas.
SUMMARY OF THE INVENTION
It is therefore the primary objective of the present invention to provide a wooden golf club head which has a low center of gravity.
It is another objective of the present invention to provide a wooden golf club head which is cost-effective and low in rejection rate.
In keeping with the principle of the present invention, the foregoing objectives of the present invention is attained by a wooden golf club head comprising a shell-like main body having a notch, and an arcuate top shell corresponding in shape to the notch of the main body. The main body and the top shell are made of different materials. The top shell is formed of a main piece and an arcuate piece. The main piece is made of a material different from the material of which the main body is made. The arcuate piece is made of a material identical to the material of which the main body is made. The arcuate piece is fastened with the main piece by welding. The top shell is joined with the notch of the main body by welding.
The foregoing objectives, features, functions, and advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of the present invention with reference to the accompanying drawings.


REFERENCES:
patent: 4465221 (1984-08-01), Schmidt
patent: 5658207 (1997-08-01), Aizawa
patent: 5704850 (1998-01-01), Shieh
patent: 5755627 (1998-05-01), Yamazaki
patent: 5967904 (1999-10-01), Nagai
patent: 5993329 (1999-11-01), Shieh
patent: 6071200 (2000-06-01), Song
patent: 6089070 (2000-07-01), Hancock

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