Games using tangible projectile – Golf – Practice swingable implement or indicator associated with...
Reexamination Certificate
2000-11-29
2002-11-05
Blau, Stephen (Department: 3711)
Games using tangible projectile
Golf
Practice swingable implement or indicator associated with...
C473S288000, C473S306000, C473S307000
Reexamination Certificate
active
06475097
ABSTRACT:
BACKGROUND OF THE INVENTION
(a) Technical Field of the Invention
The present invention relates generally to a golf club, especially a golf putter, and in particular, a golf club wherein the club head can be changed and its relative angle with the grip of the club can be adjusted.
(b) Description of the Prior Art
Structure of conventional golf club is shown in
FIG. 1
, wherein the club has an elongated shaft
10
having a treaded section at one end. The threaded section allows the mounting of a club head
30
having being provided with another threaded section at one end thereof. The top end of the shaft
10
is mounted with a grip
20
for holding.
Referring to
FIG. 2
, the grip
20
of the putter (club) is not round to allow convenient holding of the club. However, in general, the grip
20
has a flat surface
21
and in combination, the flat surface
21
has to be parallel to the club head
30
, which is shown in FIG.
2
. Thus, this structure allows accurate holding and provides better swing in putting a golf ball. However, this structure has the following drawbacks:
Conventional shaft and the club head are normally not changeable. Generally, the club head
30
has about 30 designs, and in order to meet the requirement of parallel structure between the grip
20
and the club head
30
, the club head
30
and the shaft
10
have to be mounted first. This is because the final fixing angle of the club head
30
with the shaft
10
cannot be determined. As a result of that the golf club has a fixed club head. This is a drawback of the conventional golf club.
FIG. 3
is another conventional putter. The shaft
10
consists of a top shaft
11
, and a bottom shaft
12
and the top shaft
11
is a hollow tube and the top end thereof is mounted with a grip
20
. The interior of the grip
20
can be mounted with the shaft
10
. The interior of the shaft
10
can hold the bottom shaft
12
and the bottom end of the bottom shaft
12
is then mounted with the club head
30
. When the shaft
10
is retracted, the length of the shaft consists of the top shaft
11
and the bottom shaft
12
to allow putting of a golf ball. When the entire shaft is restored as shown in
FIG. 4
, which has the shortest length, the grip
20
is not provided with a flat surface
21
as that of FIG.
1
. Due to the fact that the shaft
10
and the top shaft
11
are tubular shape, if the shafts
10
,
11
are expanded after a retraction thereof, the relative position of the shaft
10
and the shaft
12
may have changed. If the grip
20
has a flat surface
21
, the flat surface
21
may not be in alignment with the club head
30
. As a result, the grip
20
of golf club is made into tubular shaped without a flat surface
21
.
Accordingly it is an object of the present invention to provide an improved structure of a golf putter which can mitigate the above mentioned drawbacks.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide an improved structure of a golf putter, wherein the club head of the putter can be changed.
An aspect of the present invention is to provide an improved structure of a golf putter comprising a shaft, an actuating seat having a threaded section, a fastening member and a club head, characterized in that the actuating seat has a top end provided with a holding hole of an appropriate depth to accommodate the shaft at the bottom end thereof, the lower end of the actuating seat is the threaded section to securely mount with the club head, the actuating seat has a center through hole and the fastening member is provided to the actuating seat so as to conveniently secure the seat to the fastening member, the fastening member passes through the through hole of the actuating seat and is mounted to the screw hole of the shaft, the club head has a hole which can be associated with the fastening member of the actuating seat so that the club head is mounted onto the actuating seat, thereby, the shaft, the actuating seat and the fastening member are formed integrally into an unit, the fastening member secures this unit together with the club head, by loosening the fastening member, the relative position of the shaft with respect to the actuating seat can be adjusted, that is, the relative angle of the club head and the shaft can be adjusted and then re-tightened the fastening member, and the function of the club head is changed.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 1601770 (1926-10-01), Reach
patent: 2171483 (1939-08-01), Simonton
patent: 2219670 (1940-10-01), Wettlaufer
patent: 5137275 (1992-08-01), Nelson
patent: 5533725 (1996-07-01), Reynolds
patent: 5765691 (1998-06-01), Hall
patent: 5863260 (1999-01-01), Butler
patent: 5885170 (1999-03-01), Takeda
patent: 6110055 (2000-08-01), Wilson
Blau Stephen
Lei Leong C.
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