JP3821516B2 - Golf club head - Google Patents

Golf club head Download PDF

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Publication number
JP3821516B2
JP3821516B2 JP18870896A JP18870896A JP3821516B2 JP 3821516 B2 JP3821516 B2 JP 3821516B2 JP 18870896 A JP18870896 A JP 18870896A JP 18870896 A JP18870896 A JP 18870896A JP 3821516 B2 JP3821516 B2 JP 3821516B2
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Japan
Prior art keywords
face
front face
reinforcing member
golf club
rear face
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JPH09173510A (en
Inventor
徹也 宮島
平人 嶋崎
大輔 三瓶
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Bridgestone Sports Co Ltd
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Bridgestone Sports Co Ltd
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0466—Heads wood-type
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/045—Strengthening ribs
    • A63B53/0454—Strengthening ribs on the rear surface of the impact face plate
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/04—Heads
    • A63B53/0458—Heads with non-uniform thickness of the impact face plate
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Golf Clubs (AREA)

Description

【０００１】
【発明の属する技術分野】
この発明は、ゴルフクラブヘッドに関し、特にフェース側を二重構造にしたゴルフクラブヘッドに関する。
【０００２】
【従来の技術】
従来のゴルフクラブヘッドでは、例えばステンレススチール製のウッドクラブでは、ボールをヒットしたときの衝撃に耐えるだけの強度を必要とするためにフェース部分の肉厚は３mm程度以上に形成していた。
【０００３】
【発明が解決しようとする課題】
最近の金属製ウッドクラブのヘッドは、スイートエリアの拡大、重心深さの深化、慣性モーメントの増大等を図るために大型化の傾向にあり、体積が３００ccを超えるものも開発されている。従来の体積１８０cc前後のものを肉厚を変えずに単に大きくしただけでは、ヘッド重量も増大してバランスも悪くなり、一般のアマチュアゴルファーには振り切れない重さになってしまう。ヘッド重量を増大させずにヘッド体積を大きくするには、ヘッドの肉厚をぎりぎりまで薄くする必要があった。しかしながら、フェース部分の厚さは強度的な問題から薄くするのに限界があった。
【０００４】
そこで、この発明は、フェース部分の肉厚を薄くし、しかも強度的にも十分なものとしたゴルフクラブヘッドを提供することを目的とする。
【０００５】
【課題を解決するための手段】
上述の目的を達成するため、この発明は、フェース側を後方のリアフェース及び打球面となる前方のフロントフェースから成る二重構造に構成し、リアフェースとフロントフェースの間に形成される空間に両フェースを連結する補強部材を複数設けたウッドクラブ用のゴルフクラブヘッドにおいて、前記フロントフェース及びリアフェース、補強部材を含むヘッド本体を金属材料で形成し、前記補強部材を円柱部材で形成するとともに、補強部材の端面をフロントフェースの表面に露出させ、この補強部材をロフト角をもって傾斜して延びるフロントフェース面に対して実質上直交する方向に設け、あるいはソールと実質上平行に設け、前記リアフェースとフロントフェースの間隔を１０〜４０ｍｍとしたものである。
【０００６】
また、フェース側を後方のリアフェース及び打球面となる前方のフロントフェースから成る二重構造に構成し、リアフェースとフロントフェースの間に形成される空間に両フェースを連結する補強部材を複数設けたアイアンクラブ用のゴルフクラブヘッドにおいて、前記フロントフェース及びリアフェース、補強部材を含むヘッド本体を金属材料で形成し、前記補強部材を円柱部材で形成するとともに、補強部材の端面をフロントフェースの表面に露出させ、この補強部材をヘッド本体の高さ方向及び水平方向に夫々複数設け、上段の補強部材に対し、下段の補強部材の長さを長くして低重心化を図り、前記リアフェースとフロントフェースとの間隔はソール位置に近づくに従って漸増し、前記リアフェースとフロントフェースの間隔を０．５〜１０ｍｍとしたものである。
【０００７】
【発明の実施の形態】
以下に、この発明の好適な実施例を図面を参照しながら説明する。
【０００８】
図１に示す第１の実施例では、ヘッド本体１をステンレススチール，アルミニウム又はその合金，チタニウム又はその合金等の金属材料から形成し、フェース側を後方のリアフェース２及び打球面となる前方のフロントフェース３で形成し、二重構造としてある。このリアフェース２とフロントフェース３との間には空間４を形成してある。また、リアフェース２のほぼ中央部とその左右に両フェース２と３を連結する３本の補強部材５を設けてある。この補強部材５は直径５mmの円柱部材であり、リアフェース２から前方に突出形成されている。リアフェース２の肉厚は１mmとし、フロントフェース３の肉厚も１mmとした。フロントフェース３はヘッド本体１と補強部材５に溶接してある。この溶接個所を符号１０で示す。
【０００９】
図２はフロントフェース３側から見たヘッド本体１を示し、３本の円柱部材から成る補強部材５の端面がフロントフェース３の表面に現れている。従って、ゴルフボールをこの補強部材５の端面で打つ場合もある。
【００１０】
図３に示す第２の実施例では、補強部材としての柱状部材５をロフト角（この実施例では１１°）をもって傾斜して延びるフロントフェース面に対して実質上直交する方向に設けた例である。
フロントフェース３のフェース面は実際にはロール曲面を形成しているため、柱状部材５の軸線とソール６と平行な水平面との成す角度は、最下部の第１段から最上部の第４段にかけて、僅かながら増加する傾向がある。
リアフェース２とフロントフェース３の間隔は約１０mmであるが、この間隔は約０．５mm〜１０mmとしてもよく、ヘッドの奥行が深いものでは約３０mm、また事情が許す限り４０mm程度まで大きくすることができる。
【００１１】
図４に示す第３の実施例では、柱状部材５をソール６と実質上平行に設けた例である。
柱状部材５の軸線の方向と打球の方向には相関関係があり、図４に示すように柱状部材５の軸線が水平方向に向いている場合には、打球の上昇を抑える（ふけを抑える）効果がある。
【００１２】
図５に示す第４の実施例では、リアフェース２をヘッド本体１のソール６に対し実質上垂直に設け、このリアフェース２とロフト角をもって傾斜して延びるフロントフェース３の間を連絡する柱状部材５を、最上部の第４段の部材長さｈ４から最下部の第１段の部材長さｈ１にかけて漸次長くなっており、それぞれの柱状部材５はフロントフェース面に対して垂直に溶接してある。
図５に示す構成にすると低重心化に効果があり、柱状部材５の長さに応じ重心が低くなる。
【００１３】
図６〜図９は、フロントフェースセンターの位置におけるソール６と平行な面で切断した断面図である。
【００１４】
図６に示す第５の実施例では、ヘッド本体１のトウ部９とヒール部８との間の中心線、正確にはトウ部９とヒール部８との間の距離を２等分した垂直方向の面内にある線、すなわちヘッド本体１の水平断面（図６）で「中心線」として表われる線の両側に柱状部材５がフロントフェース３とリアフェース２の間に配設してあり、それぞれの柱状部材５はバルジ曲面を形成しているフロントフェース３のバルジ曲面に対して、実質上垂直に設けてある。
【００１５】
図７に示す第６の実施例においては、ヘッド本体１のトウ部９とヒール部８との間の中心線の両側に配設してある柱状部材５の軸線はヘッド本体１の中心線と実質上平行に設けてある。
【００１６】
図８に示す第７の実施例においては、ヘッド本体１のトウ部９とヒール部８の間の中心線の両側に配設してある柱状部材５の軸線は、中心線の前方において互いに交わるように傾斜角を与えて設けてある。
この傾斜角は０．５°〜１０°が好ましく、中心線位置における柱状部材５の軸線は中心線と同一方向とする。
なお、柱状部材５の軸線と中心線とのなす角度は、上述した角度範囲において、中心線位置からトウ部９及びヒール部８方向に遠ざかるに従って漸増させて設けることができる。
上述した配置例によると、中心線を外してボールを打っても中心線で打った場合のような効果がある。
【００１７】
図９に示す第８の実施例においては、柱状部材５の軸線はヘッド本体１のトウ部９の方向に中心線に対してほぼ一様に傾斜角を与えて配設してあり、軸線と中心線とのなす角度は０．５°〜１０°が好ましい。
図９に示す柱状部材５の配置では、フック球を打つ傾向にあるプレイヤーに好適であり、柱状部材５の軸線を反対方向に傾斜させるとスライス球の抑制効果がある。
【００１８】
図１０はウッドクラブ用、特に＃１ウッドクラブのヘッド本体１のフロントフェースのフェース部材１２（ヘッド本体に嵌込み溶接する）を前方より見た平面図である。
フェース部材１２は柱状部材５、この実施例では円柱状補強部材を受け入れる（受け入れた後で溶接し、フェース面は面一に加工する）ための多数の孔１３を有する。孔１３の直径（円柱状補強部材の直径）は、この実施例では３mmとし、フェース部材１２の厚みは２mmである。
孔１３（または円柱状補強部材）はソール６側からトップ側に向って、実質上等間隔に設けてある。
孔１３の数はソール６側から数えて第１段４個、第２段７個、第３及び第４段８個設けてあり、それぞれ等間隔になっている。
【００１９】
図１１に示す第９の実施例はアイアンクラブ用、特に＃５アイアンクラブの断面図であって、リアフェース２とフロントフェース３の配置関係は図５に示す例と若干類似しており、トップ位置におけるリアフェース２とフロントフェース３の間隔は、ソール位置に近づくに従って漸増している。
【００２０】
図１２は＃５アイアンクラブのフロントフェース３のフェース部材１２（ヘッド本体１に嵌込み溶接する）を前方から見た平面図である。
図１０の例（＃１ウッドクラブ）と異なる点は孔１３を３段等間隔に設け（円柱状補強部材も同じ）、ソール６側から数えて第１段に５個、第２段に６個、第３段に３個それぞれ等間隔に設けてある。
孔１３の直径は５mmである。
【００２１】
上述したウッドクラブ用の補強部材５は円柱状であるが、図１３に示すようなハニカム部材を用いることもできる。また、図１４に示すように波形部材を補強部材５として用いることもできる。
図１４は水平方向に切断したときに上方から見た断面図である。
さらに、図１５に示すようなリング状の部材を補強部材５として用いることもでき、図１６に示すようなジグザグ形状の部材を用いることもできる。
【００２２】
【発明の効果】
以上説明したように、この発明によれば、フェース側を後方のリアフェース及び打球面となる前方のフロントフェースから成る二重構造に構成し、リアフェースとフロントフェースの間に形成される空間に両フェースを連結する補強部材を複数設けたウッドクラブ用のゴルフクラブヘッドにおいて、前記フロントフェース及びリアフェース、補強部材を含むヘッド本体を金属材料で形成し、前記補強部材を円柱部材で形成するとともに、補強部材の端面をフロントフェースの表面に露出させ、この補強部材をロフト角をもって傾斜して延びるフロントフェース面に対して実質上直交する方向に設け、あるいはソールと実質上平行に設け、前記リアフェースとフロントフェースの間隔を１０〜４０ｍｍとしたので、フロントフェースは肉厚を薄くしても十分な強度を有し、リアフェース及びフロントフェースさらに補強部材を合計した重量は１枚だけのフェース部分の重量よりも軽量化が図れる。
さらに、フロントフェースとバックフェースの間隔を変化させることによって重心深さを調整できるばかりでなく、補強部材の軸線の配置を調整することによって、低重心化やプレイヤーのスイングの癖に基づく打球の弾道を矯正する効果を有する。
【図面の簡単な説明】
【図１】この発明の好適な第１の実施例を示す断面図。
【図２】図１の正面図。
【図３】この発明の第２の実施例を示す断面図。
【図４】この発明の第３の実施例を示す断面図。
【図５】この発明の第４の実施例を示す断面図。
【図６】この発明の第５の実施例を示す断面図。
【図７】この発明の第６の実施例を示す断面図。
【図８】この発明の第７の実施例を示す断面図。
【図９】この発明の第８の実施例を示す断面図。
【図１０】この発明によるウッドクラブのフェース部材の平面図。
【図１１】この発明による＃５アイアンクラブの断面図。
【図１２】この発明による＃５アイアンクラブのフェース部材の平面図。
【図１３】補強部材の他の例を示す正面図。
【図１４】補強部材のさらに他の例を示す横断面図。
【図１５】補強部材の別の例を示す斜視図。
【図１６】補強部材のさらに他の例を示す斜視図。
【符号の説明】
１ ヘッド本体
２ リアフェース
３ フロントフェース
４ 空間
５ 補強部材（柱状部材）
６ ソール
７ キャビティ
８ ヒール部
９ トウ部
１１ ホーゼル
１２ フェース部材
１３ 孔[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a golf club head, and more particularly to a golf club head having a double face structure.
[0002]
[Prior art]
In a conventional golf club head, for example, in a stainless steel wood club, the thickness of the face portion is formed to be about 3 mm or more in order to require a strength sufficient to withstand an impact when a ball is hit.
[0003]
[Problems to be solved by the invention]
Recent metal wood club heads tend to be larger in order to expand the sweet area, deepen the center of gravity, increase the moment of inertia, etc., and those with a volume exceeding 300 cc have been developed. If the conventional volume of about 180 cc is simply increased without changing the wall thickness, the head weight is increased and the balance is deteriorated, so that it becomes a weight that cannot be shaken by a general amateur golfer. In order to increase the head volume without increasing the head weight, it is necessary to make the thickness of the head as thin as possible. However, there is a limit to reducing the thickness of the face portion due to strength problems.
[0004]
Accordingly, an object of the present invention is to provide a golf club head in which the thickness of the face portion is reduced and the strength is sufficient.
[0005]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, according to the present invention, the face side is configured in a double structure including a rear rear face and a front front face serving as a ball striking surface, and a space formed between the rear face and the front face is formed. In a golf club head for a wood club provided with a plurality of reinforcing members for connecting both faces, the head body including the front face, the rear face, and the reinforcing member is formed of a metal material, and the reinforcing member is formed of a cylindrical member. The end face of the reinforcing member is exposed on the surface of the front face, and the reinforcing member is provided in a direction substantially orthogonal to the front face surface extending inclined with a loft angle, or provided substantially parallel to the sole, The distance between the face and the front face is 10 to 40 mm.
[0006]
In addition, the face side has a double structure consisting of a rear rear face and a front front face as a ball striking surface, and a plurality of reinforcing members are provided to connect both faces in a space formed between the rear face and the front face. In the golf club head for an iron club, the head body including the front face, the rear face, and the reinforcing member is formed of a metal material, the reinforcing member is formed of a cylindrical member, and the end surface of the reinforcing member is the surface of the front face. A plurality of reinforcing members are provided in the height direction and the horizontal direction of the head main body, respectively, and the lower reinforcing member is lengthened with respect to the upper reinforcing member to lower the center of gravity, and the rear face and distance between front face is gradually increased toward the sole position, 0 the distance between the rear face and the front face. It is obtained by the ~10mm.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
[0008]
In the first embodiment shown in FIG. 1, the head body 1 is made of a metal material such as stainless steel, aluminum or an alloy thereof, titanium or an alloy thereof, and the face side is a rear rear face 2 and a front surface which becomes a ball striking surface. It is formed by the front face 3 and has a double structure. A space 4 is formed between the rear face 2 and the front face 3. Further, three reinforcing members 5 for connecting both the faces 2 and 3 are provided at the substantially central portion of the rear face 2 and on the left and right sides thereof. The reinforcing member 5 is a cylindrical member having a diameter of 5 mm and is formed to protrude forward from the rear face 2. The wall thickness of the rear face 2 was 1 mm, and the wall thickness of the front face 3 was also 1 mm. The front face 3 is welded to the head body 1 and the reinforcing member 5. This welding point is indicated by reference numeral 10.
[0009]
FIG. 2 shows the head main body 1 as viewed from the front face 3 side, and the end face of the reinforcing member 5 composed of three cylindrical members appears on the surface of the front face 3. Therefore, the golf ball may be hit with the end face of the reinforcing member 5.
[0010]
In the second embodiment shown in FIG. 3, the columnar member 5 as the reinforcing member is provided in a direction substantially orthogonal to the front face surface extending at an inclination with a loft angle (11 ° in this embodiment). is there.
Since the face surface of the front face 3 actually forms a roll curved surface, the angle formed by the axis of the columnar member 5 and the horizontal plane parallel to the sole 6 is changed from the first step at the bottom to the fourth step at the top. There is a tendency to increase slightly.
The distance between the rear face 2 and the front face 3 is about 10 mm, but this distance may be about 0.5 mm to 10 mm. If the depth of the head is deep, it should be about 30 mm, or as large as 40 mm if circumstances allow. Can do.
[0011]
In the third embodiment shown in FIG. 4, the columnar member 5 is provided substantially in parallel with the sole 6.
There is a correlation between the direction of the axis of the columnar member 5 and the direction of the hit ball, and when the axis of the columnar member 5 is oriented horizontally as shown in FIG. effective.
[0012]
In the fourth embodiment shown in FIG. 5, the rear face 2 is provided substantially perpendicularly to the sole 6 of the head body 1 and communicates between the rear face 2 and a front face 3 that extends at an angle with a loft angle. the member 5 has become gradually longer from the member length h 4 of the fourth stage of the top over the member length h 1 of the first stage bottom, each columnar member 5 is perpendicular to the front face surface Welded.
The configuration shown in FIG. 5 is effective in reducing the center of gravity, and the center of gravity is lowered according to the length of the columnar member 5.
[0013]
6 to 9 are cross-sectional views taken along a plane parallel to the sole 6 at the position of the front face center.
[0014]
In the fifth embodiment shown in FIG. 6, the center line between the toe portion 9 and the heel portion 8 of the head body 1 , more precisely, the vertical distance obtained by dividing the distance between the toe portion 9 and the heel portion 8 into two equal parts. Columnar members 5 are disposed between the front face 3 and the rear face 2 on both sides of a line in the direction plane, that is, a line that appears as a “center line” in the horizontal section of the head body 1 (FIG. 6). Each columnar member 5 is provided substantially perpendicular to the bulge curved surface of the front face 3 forming the bulge curved surface.
[0015]
In the sixth embodiment shown in FIG. 7, the axis of the columnar member 5 disposed on both sides of the center line between the toe portion 9 and the heel portion 8 of the head body 1 is the center line of the head body 1. They are provided substantially in parallel.
[0016]
In the seventh embodiment shown in FIG. 8, the axes of the columnar members 5 arranged on both sides of the center line between the toe portion 9 and the heel portion 8 of the head body 1 intersect with each other in front of the center line. In this way, an inclination angle is given.
The inclination angle is preferably 0.5 ° to 10 °, and the axis of the columnar member 5 at the center line position is in the same direction as the center line.
Note that the angle formed between the axis of the columnar member 5 and the center line can be gradually increased as the distance from the center line position in the direction of the toe portion 9 and the heel portion 8 is increased.
According to the arrangement example described above, even if the ball is hit with the center line removed, the effect is the same as when hit with the center line.
[0017]
In the eighth embodiment shown in FIG. 9, the axis of the columnar member 5 is disposed with a substantially uniform inclination angle with respect to the center line in the direction of the toe portion 9 of the head body 1. The angle formed with the center line is preferably 0.5 ° to 10 °.
In the arrangement of the columnar member 5 shown in FIG. 9 is suitable for players tend to hit the hook ball, could effectively inhibit the If slice ball inclining the axis of the columnar member 5 in the opposite direction.
[0018]
FIG. 10 is a plan view of a face member 12 (inserted and welded to the head main body) of the front face of the head main body 1 of the wood club, particularly # 1 wood club, as viewed from the front.
The face member 12 has a large number of holes 13 for receiving the columnar member 5, in this embodiment the columnar reinforcing member (welding after receiving and machining the face surface flush). The diameter of the hole 13 (the diameter of the cylindrical reinforcing member) is 3 mm in this embodiment, and the thickness of the face member 12 is 2 mm.
The holes 13 (or columnar reinforcing members) are provided at substantially equal intervals from the sole 6 side to the top side.
The number of the holes 13 is four from the sole 6 side, provided are four first stages, seven second stages, eight third and fourth stages, and they are equally spaced.
[0019]
The ninth embodiment shown in FIG. 11 is a cross-sectional view of an iron club, particularly a # 5 iron club, and the arrangement relationship between the rear face 2 and the front face 3 is slightly similar to the example shown in FIG. The distance between the rear face 2 and the front face 3 at the position gradually increases as the position approaches the sole position.
[0020]
FIG. 12 is a plan view of the face member 12 (inserted and welded to the head body 1) of the front face 3 of the # 5 iron club as viewed from the front.
The difference from the example of FIG. 10 (# 1 wood club) is that holes 13 are provided at equal intervals in three steps (the same applies to the cylindrical reinforcing member), and five holes in the first step and 6 in the second step are counted from the sole 6 side. 3 pieces are provided at equal intervals in the third stage.
The diameter of the hole 13 is 5 mm.
[0021]
The above-described reinforcing member 5 for a wood club is cylindrical, but a honeycomb member as shown in FIG. 13 can also be used. Further, a corrugated member can be used as the reinforcing member 5 as shown in FIG.
FIG. 14 is a cross-sectional view seen from above when cut in the horizontal direction.
Further, a ring-shaped member as shown in FIG. 15 can be used as the reinforcing member 5, and a zigzag-shaped member as shown in FIG. 16 can also be used.
[0022]
【The invention's effect】
As described above, according to the present invention, the face side is configured as a double structure including a rear rear face and a front front face serving as a ball striking surface, and a space formed between the rear face and the front face is formed. In a golf club head for a wood club provided with a plurality of reinforcing members for connecting both faces, the head body including the front face, the rear face, and the reinforcing member is formed of a metal material, and the reinforcing member is formed of a cylindrical member. The end face of the reinforcing member is exposed on the surface of the front face, and the reinforcing member is provided in a direction substantially orthogonal to the front face surface extending inclined with a loft angle, or provided substantially parallel to the sole, Since the gap between the face and the front face is 10 to 40 mm, the front face is thin. Even if it has a sufficient strength, the total weight of the rear face, the front face and the reinforcing member can be reduced more than the weight of a single face portion.
Furthermore, not only can the center of gravity depth be adjusted by changing the distance between the front face and the back face, but also the ballistic trajectory based on the low center of gravity and the player's swing habits by adjusting the arrangement of the axis of the reinforcing member Has the effect of correcting.
[Brief description of the drawings]
FIG. 1 is a sectional view showing a first preferred embodiment of the present invention.
FIG. 2 is a front view of FIG.
FIG. 3 is a cross-sectional view showing a second embodiment of the present invention.
FIG. 4 is a cross-sectional view showing a third embodiment of the present invention.
FIG. 5 is a cross-sectional view showing a fourth embodiment of the present invention.
FIG. 6 is a sectional view showing a fifth embodiment of the present invention.
FIG. 7 is a cross-sectional view showing a sixth embodiment of the present invention.
FIG. 8 is a sectional view showing a seventh embodiment of the present invention.
FIG. 9 is a sectional view showing an eighth embodiment of the present invention.
FIG. 10 is a plan view of a face member of a wood club according to the present invention.
FIG. 11 is a sectional view of a # 5 iron club according to the present invention.
FIG. 12 is a plan view of a face member of a # 5 iron club according to the present invention.
FIG. 13 is a front view showing another example of a reinforcing member.
FIG. 14 is a cross-sectional view showing still another example of the reinforcing member.
FIG. 15 is a perspective view showing another example of a reinforcing member.
FIG. 16 is a perspective view showing still another example of the reinforcing member.
[Explanation of symbols]
1 Head body 2 Rear face 3 Front face 4 Space 5 Reinforcement member (columnar member)
6 Sole 7 Cavity 8 Heel portion 9 Toe portion 11 Hosel 12 Face member 13 Hole

Claims (3)

フェース側を後方のリアフェース（２）及び打球面となる前方のフロントフェース（３）から成る二重構造に構成し、リアフェース（２）とフロントフェース（３）の間に形成される空間（４）に両フェース（２）（３）を連結する補強部材（５）を複数設けたウッドクラブ用のゴルフクラブヘッドにおいて、
前記フロントフェース（３）及びリアフェース（２）、補強部材（５）を含むヘッド本体（１）を金属材料で形成し、
前記補強部材（５）を円柱部材で形成するとともに、補強部材（５）の端面をフロントフェース（３）の表面に露出させ、
この補強部材（５）をロフト角をもって傾斜して延びるフロントフェース（３）面に対して実質上直交する方向に設け、あるいはソール（６）と実質上平行に設け、
前記リアフェース（２）とフロントフェース（３）の間隔を１０〜４０ｍｍとしたことを特徴とするゴルフクラブヘッド。The face side is constituted by a double structure comprising a rear rear face (2) and a front front face (3) serving as a ball striking surface, and a space formed between the rear face (2) and the front face (3) ( 4) In a golf club head for a wood club provided with a plurality of reinforcing members (5) for connecting both faces (2) and (3) to 4).
The head body (1) including the front face (3), the rear face (2), and the reinforcing member (5) is formed of a metal material,
The reinforcing member (5) is formed of a cylindrical member, and the end face of the reinforcing member (5) is exposed on the surface of the front face (3).
The reinforcing member (5) is provided in a direction substantially orthogonal to the front face (3) surface extending obliquely with a loft angle, or provided substantially parallel to the sole (6),
A golf club head characterized in that a distance between the rear face (2) and the front face (3) is 10 to 40 mm. 前記補強部材（５）をヘッド本体（１）の高さ方向及び水平方向に夫々複数設け、上段の補強部材（５）に対し、下段の補強部材（５）の長さを長くして低重心化を図ったことを特徴とする請求項１に記載のゴルフクラブヘッド。A plurality of the reinforcing members (5) are provided in the height direction and the horizontal direction of the head body (1), respectively, and the lower reinforcing member (5) is made longer with respect to the upper reinforcing member (5) to reduce the center of gravity. The golf club head according to claim 1, wherein the golf club head is formed. フェース側を後方のリアフェース（２）及び打球面となる前方のフロントフェース（３）から成る二重構造に構成し、リアフェース（２）とフロントフェース（３）の間に形成される空間（４）に両フェース（２）（３）を連結する補強部材（５）を複数設けたアイアンクラブ用のゴルフクラブヘッドにおいて、
前記フロントフェース（３）及びリアフェース（２）、補強部材（５）を含むヘッド本体（１）を金属材料で形成し、
前記補強部材（５）を円柱部材で形成するとともに、補強部材（５）の端面をフロントフェース（３）の表面に露出させ、
この補強部材（５）をヘッド本体（１）の高さ方向及び水平方向に夫々複数設け、上段の補強部材（５）に対し、下段の補強部材（５）の長さを長くして低重心化を図り、
前記リアフェース（２）とフロントフェース（３）との間隔はソール位置に近づくに従って漸増し、
前記リアフェース（２）とフロントフェース（３）の間隔を０．５〜１０ｍｍとしたことを特徴とするゴルフクラブヘッド。The face side is constituted by a double structure comprising a rear rear face (2) and a front front face (3) serving as a ball striking surface, and a space formed between the rear face (2) and the front face (3) ( 4) In a golf club head for an iron club provided with a plurality of reinforcing members (5) for connecting both faces (2) and (3) to 4).
The head body (1) including the front face (3), the rear face (2), and the reinforcing member (5) is formed of a metal material,
The reinforcing member (5) is formed of a cylindrical member, and the end face of the reinforcing member (5) is exposed on the surface of the front face (3).
A plurality of reinforcing members (5) are provided in the height direction and the horizontal direction of the head main body (1), respectively, and the lower reinforcing member (5) is made longer than the upper reinforcing member (5), thereby reducing the center of gravity. To
The distance between the rear face (2) and the front face (3) gradually increases as it approaches the sole position,
A golf club head characterized in that a distance between the rear face (2) and the front face (3) is 0.5 to 10 mm.
JP18870896A 1995-10-24 1996-06-28 Golf club head Expired - Fee Related JP3821516B2 (en)

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