JPH0749973Y2 - Iron Golf Club Head and Iron Golf Club Set - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an iron golf club head and an iron golf club set using the iron golf club head.

[Conventional technology]

BACKGROUND ART Conventionally, as an iron golf club head having an increased sole portion thickness, for example, one disclosed in Japanese Utility Model Laid-Open No. 1-80164 is known.

FIG. 6 shows a golf club head disclosed in this publication. This golf club head has a sole portion 15 formed on the lower side of a head body 13 having a face striking face 11, and a hosel on the side. The portion 17 is formed, and the sole portion 15 is formed with the maximum thickness portion of the head having the thickness H.

[Problems to be solved by the device]

However, in such a conventional golf club head, since the thickness H of the sole portion 15 is large, if the hitting method is the same as when using the conventional iron golf club, the resistance with the turf is increased, There was a problem that it was very difficult to hit.

Further, since the maximum thickness portion is formed in the sole portion 15,
There are problems that the center of gravity position and the direction of the hit ball are dissimilar, the vibration at the time of hitting is large, the rebound of the ball is poor, the flight distance is reduced, and the direction stability is lacking.

Then, when an iron golf club set is constructed using such a golf club head, there is a problem that it is very difficult to perform a swing having a similar feeling to each golf club.

The present invention has been made in order to solve such a conventional problem, and it is possible to hit the ball in the same manner as when using a conventional iron golf club, and at the same time, the ball is good at hitting, the flight distance and An object is to provide an iron golf club head capable of improving directional stability, and an iron golf club set capable of performing a swing similar to that of a conventional iron club to each golf club. .

[Means for Solving the Problems]

The iron golf club head of the present invention is an iron golf club head having a sole portion formed on the lower side of a head body having a face striking face and a hosel portion formed on the side of the head portion. A portion that is orthogonal to the face striking face and that is above the sole portion of the head body on a line segment that passes through the center of gravity of the head, and the thickness of the maximum thickness portion is greater than the thickness of the sole portion. It is a big one.

The iron golf club set of the present invention comprises a long iron club, a middle iron club, and a short iron club. Each of the club heads has a sole portion formed on the lower side of the head main body having a face striking face and a lateral side portion. In an iron golf club set formed by forming a hosel portion, the maximum thickness portion of the head main body of each club head is orthogonal to the face striking face and on a line segment passing through the center of gravity of the head. It is formed on the upper side of the sole portion of the head main body, and the thickness of the maximum thickness portion is made larger than the thickness of the sole portion.

[Action]

In the iron golf club head of the present invention, the maximum thickness portion of the head main body is formed on a line segment that is orthogonal to the face striking surface and passes through the center of gravity of the head, so that the resilience of the ball when hit is improved. Since the center of gravity is deeper, the flight distance and directional stability are improved, and the thickness of the maximum thickness part is
Since the thickness of the sole portion is larger than that of the sole portion, the resistance between the sole portion and the turf is small, and the same hitting as when using a conventional iron golf club is possible.

In the iron golf club set of the present invention, the maximum thickness portion of the head main body of each club head is formed on a line segment that is orthogonal to the face striking face and passes through the center of gravity of the head. Is larger than the thickness of the sole portion, so that each golf club head acts in the same manner as the iron golf club head described above, and feels similar to a conventional iron club for each golf club constituting the set. It becomes possible to perform the swing.

〔Example〕

Hereinafter, the details of the present invention will be described with reference to the embodiments shown in the drawings.

1 and 2 show an embodiment of the iron golf club head of the present invention, in which reference numeral 21 is
A head body having a face striking face 23 is shown.

A sole portion 25 is formed on the lower side of the head main body 21,
A hosel part 27 is formed on the side.

Therefore, in this embodiment, the maximum thickness portion of the head main body 21
29 is formed on a line segment 31 orthogonal to the face hitting surface 23 and passing through the center of gravity G of the head.

The thickness W of the maximum thickness portion 29 is equal to the thickness l of the sole portion 25.
It is said to be larger.

In addition, the sole portion 25 has a concave portion at the middle in the thickness 1 direction.
33 are formed.

Further, in this embodiment, the material forming the sole portion 25 is a material having a larger specific gravity than the material forming the head body 21.

In the iron golf club head configured as described above, the maximum thickness portion 29 of the head body 21 is a line segment that is orthogonal to the face striking surface 23 and that passes through the center of gravity G of the head.
Since it is formed on the ball 31, the resilience and vibration absorption balance of the ball 35 at the time of hitting the ball are improved, and the flight distance and the directional stability can be improved.

Further, since the thickness W of the maximum thickness portion 29 is set to be larger than the thickness l of the sole portion 25, the resistance with the turf 37 is reduced, and the hitting method is the same as when using a conventional iron golf club. Is possible.

Further, in the iron golf club head configured as described above, the concave portion 33 is formed in the middle of the sole portion 25 in the thickness 1 direction.
Since the concave portion 33 is formed, it is possible to reduce the influence of the turf 37 at the time of hitting the ball.

In the iron golf club head configured as described above, the head body 21 is made of the material forming the sole portion 25.
Since a material having a higher specific gravity than that of the material for forming the ball is used, the resilience and vibration absorption balance of the ball 35 at the time of hitting the ball are improved, and the flight distance and the directional stability can be further improved.

3 to 5 show a head of an embodiment of the iron golf club set of the present invention. FIG. 3 shows a head 41a of a long iron club and FIG. 4 shows a head 41b of a middle iron club. , FIG. 5 shows a head 41c of a short iron club.

Each of these heads 41a, 41b, 41c is basically constructed as shown in FIG. 1 and FIG.

Further, in this iron golf club set, the thickness l and the head height H of the sole portions 25a, 25b, 25c of the club heads 41a, 41b, 41c are unified into substantially the same size.

Also, the face striking surface 23a, 23b, 2 of each head 41a, 41b, 41c
Between the 3c and the back face 41a, 41b, 41c, there is a hollow portion 45.
a, 45b, 45c are formed.

Weight adjustment members 47a, 47b, 47c are arranged on the back faces 43a, 43b, 43c side of the hollow portions 45a, 45b, 45c, and the remaining spaces are filled with lightweight members 49a, 49b, 49c.

The lightweight members 49a, 49b, 49c are made of a synthetic resin such as epoxy, a lightweight metal such as aluminum, or an inorganic material.
When it is made of synthetic resin, it is desirable to mix reinforcing fibers such as carbon, boron, glass and metal.

Further, the sole portions 25a, 25b, 25c are the head main bodies 21a, 21b, 21c.
It is made of metal such as stainless steel, which has a larger specific gravity, or ceramics.

The depth of the recesses 33a, 33b, 33c formed in the sole portions 25a, 25b, 25c may be the same in each head 41a, 41b, 41c,
It is desirable to deepen as you go from the long iron club to the short iron club.

In addition, the thickness W of the maximum thickness portion of the head bodies 21a, 21b, 21c
May be the same in each of the heads 41a, 41b, 41c, but it is desirable to make the heads thinner from the long iron club to the short iron club.

Further, in this embodiment, the depth Gl of the center of gravity of each head is made shallower from the long iron club to the short iron club.

Further, in this embodiment, the height GH of the center of gravity of each head is lowered from the long iron club to the short iron club.

In the iron golf club set configured as described above, the club heads 41a, 41b, 41c constituting the long iron club, the middle iron club and the short iron club are basically the same as the club heads shown in FIG. The club heads 41a, 41 having the same structure
Since the thickness l and the head height H of the sole portions 25a, 25b, 25c of the b and 41c are unified to have substantially the same dimensions, each club head 41
The same effects as the club head shown in FIG. 1 can be imparted to a, 41b and 41c.
It is possible to perform a similar swing to 41b and 41c.

[Effect of device]

As described above, in the iron golf club head of the present invention, the maximum thickness portion of the head main body is located above the sole portion of the head main body on a line segment that is orthogonal to the face striking surface and passes through the center of gravity of the head. Since it is formed, the resilience of the ball at the time of hitting is improved and the depth of the center of gravity is deepened, so the flight distance and directional stability are improved, and the thickness of the maximum thickness part is made larger than the thickness of the sole part. Therefore, there is an advantage that the resistance between the grass and the grass becomes small and the hitting can be performed in the same manner as when using the conventional iron golf club.

Further, in the iron golf club set of the present invention, the maximum thickness portion of the head body of each club head is located above the sole portion of the head body on a line segment that is orthogonal to the face striking surface and passes through the center of gravity of the head. Since the thickness of the maximum thickness portion is made larger than the thickness of the sole portion while forming the golf club head, each golf club head can obtain the same effect as the iron golf club head described above, and each golf golf ball constituting the set. There is an advantage that the club can swing like a conventional iron club.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the iron golf club head of the present invention. FIG. 2 is a transverse sectional view taken along the line II-II in FIG. FIG. 3 is a cross-sectional view showing a club head of a long iron club. FIG. 4 is a cross-sectional view showing a club head of a middle iron club. FIG. 5 is a cross-sectional view showing a club head of a short iron club. FIG. 6 is a sectional view showing a conventional iron golf club head. [Explanation of symbols for major parts] 21 …… Head body 23 …… Face striking surface 25 …… Sole part 27 …… Hosel part 29 …… Maximum thickness part 31 …… Line segment.

Claims (2)

[Scope of utility model registration request] 1. An iron golf club head having a sole portion formed on the lower side of a head body having a face striking face and a hosel portion formed on the side thereof, wherein the maximum thickness portion of the head body is It is formed above the sole portion of the head main body on a line segment that is orthogonal to the face striking surface and that passes through the center of gravity of the head, and the thickness of the maximum thickness portion is made larger than the thickness of the sole portion. Iron golf club head characterized by. 2. A long iron club, a middle iron club, and a short iron club, each of which has a sole portion formed below a head body having a face striking face and a hosel portion formed laterally. In the iron golf club set configured as described above, the maximum thickness portion of the head main body of each club head is orthogonal to the face striking surface and the sole of the head main body on a line segment passing through the center of gravity of the head. An iron golf club set, wherein the iron golf club set is formed on the upper side of the portion, and the thickness of the maximum thickness portion is larger than the thickness of the sole portion.