Structure of golf putter head

Details Structure of golf putter head Structure of golf putter head

1999-06-09

2001-01-09

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S307000, C473S313000, C473S340000, C473S342000

Reexamination Certificate

active

06171203

ABSTRACT:

BACKGROUND OF THE INVENTION
A decent golf club to a golfer is something just like a good brush to a painter in some respects, at least, both require delicate skills that can only be accumulated and upgraded by constant practice.
As the putting green is usually the main battlefield, in addition to skill and experience, a good putter is also an important factor in striving for award. Besides the material a putter is made of, a low gravity center at the same height with the ball center is considered a must for the putter to enable a player to tap at the ball center without offset. Various patented structures of golf putter are briefly described with annexed diagrams as below:
1. According to a disclosed Taiwan patent No. 117286 (shown in FIG.
1
), an integrally molded golf putter head
1
with a neck
10
for insertion of a shaft
11
has a center of gravity A at a position higher than the center of gravity B of a golf ball (shown in
FIG. 2
) for reason that the putter head
1
and the neck
10
are molded integrally of the same material. Hence, a cavity on back of the putter head
1
is required to accommodate an extra weight for lowering the center of gravity A to coincide with center of gravity B that makes the fabrication process difficult.
2. According to another disclosed Taiwan patent No. 303710 (shown in FIG.
3
), a putter head
2
and a neck
20
are separately fabricated. When assembling, the neck
20
is inserted in the putter head
2
firstly, then coupled with a shaft
21
. In this structure, after the neck
20
bent in an angle is combined with the putter head
2
, the center of gravity A is liable to deviate from the center of gravity B in a golf ball (as shown in FIG.
4
), so that the putting accuracy may be affected.
3. According to a further disclosed Taiwan patent No. 271622 (shown in FIG.
5
), plural tapped holes
30
are disposed in a putter head
3
, wherein a tapped hole
30
may be selected for screw-fixing a neck
31
, which then couples with a shaft
32
, in order to adjust offset of the center of gravity A in the putter head
3
(shown in FIG.
6
). However, in such a structure, the screw-fixing component N for anchoring the neck
31
to the putter head
3
will probably get loosened later on after some period of time to thus deviate angle of screw joint and incur offset of the center of gravity A in the putter head
3
to miss the sweet spot in a strike.
In view of the above-described imperfections, after years of constant effort in research, the inventor of this invention has consequently developed and proposed this improved mechanism pertaining to the subject matter.
SUMMARY OF THE INVENTION
This invention relates to a new structure of a golf putter, particularly to a putter head, wherein a striking board and heel of a neck can be inserted in a recess of the putter head. As the striking board and the neck are molded integrally with a light material, the center of gravity of the putter head can be lowered for grasping the sweet spot.


REFERENCES:
patent: 4111426 (1978-09-01), Goodwin
patent: 4121832 (1978-10-01), Ebbing
patent: 4506888 (1985-03-01), Nardozzi
patent: 4872685 (1989-10-01), Sun
patent: 5437447 (1995-08-01), Rigutto
patent: 5547427 (1996-08-01), Rigal
patent: 5749790 (1998-05-01), Alen
patent: 5776011 (1998-07-01), Su
patent: 5863257 (1999-01-01), Busnardo
patent: 5899817 (1999-05-01), Dunikoski
patent: 5938543 (1999-08-01), McGeeney

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