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JP2011005167A - Golf club head - Google Patents

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Publication number
JP2011005167A
JP2011005167A JP2009153807A JP2009153807A JP2011005167A JP 2011005167 A JP2011005167 A JP 2011005167A JP 2009153807 A JP2009153807 A JP 2009153807A JP 2009153807 A JP2009153807 A JP 2009153807A JP 2011005167 A JP2011005167 A JP 2011005167A
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Prior art keywords
center
head
gravity
adjusting member
characteristic adjusting
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Inventor
Hiroshi Takahashi
博 高橋
Fumiaki Sato
史明 佐藤
Hideo Matsunaga
英夫 松永
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Bridgestone Sports Co Ltd
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Bridgestone Sports Co Ltd
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Priority to JP2009153807A priority Critical patent/JP2011005167A/en
Priority to US12/652,783 priority patent/US20100331103A1/en
Publication of JP2011005167A publication Critical patent/JP2011005167A/en
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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
    • A63B53/0433—Heads with special sole configurations
    • 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
    • A63B60/02—Ballast means for adjusting the centre of mass
    • 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
    • A63B2053/0491—Heads with added weights, e.g. changeable, replaceable

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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)

Abstract

【課題】ヘッドを特殊な形状とすることなく、重心位置を変更することができるようにしたゴルフクラブヘッドを提供する。
【解決手段】ソール部に凹部１６が設けられた中空ヘッド本体１２と、凸壁２８、３０、３２により仕切られた複数のウエイト装着室３４を有し、ヘッド本体の凹部内に配置可能な重心特性調整部材２０と、重心特性調整部材のウエイト装着室に着脱可能に装着されるウエイト部材３６と、重心特性調整部材を任意の回転位置でヘッド本体に固定する固定部材３８とを具備するゴルフクラブヘッド１０とする。そして、ウエイト部材を装着するウエイト装着室の選定、ウエイト装着室に装着するウエイト部材の重量の選定、ヘッド本体に固定する重心特性調整部材の回転位置の選定を適宜行うことにより、重心位置およびヘッド重量の変更を行う。
【選択図】図１A golf club head is provided that can change the position of the center of gravity without making the head special.
A center of gravity having a hollow head main body 12 having a concave portion 16 provided in a sole portion and a plurality of weight mounting chambers 34 partitioned by convex walls 28, 30, and 32, which can be disposed in the concave portion of the head main body. A golf club comprising a characteristic adjusting member 20, a weight member 36 that is detachably mounted in the weight mounting chamber of the center of gravity characteristic adjusting member, and a fixing member 38 that fixes the center of gravity characteristic adjusting member to the head body at an arbitrary rotational position. The head 10 is used. Then, by selecting the weight mounting chamber for mounting the weight member, selecting the weight of the weight member mounted in the weight mounting chamber, and selecting the rotational position of the center of gravity characteristic adjusting member fixed to the head body, the center of gravity position and the head Change the weight.
[Selection] Figure 1

Description

本発明は、重心位置を変更することが可能な中空ゴルフクラブヘッドに関する。   The present invention relates to a hollow golf club head capable of changing the position of a center of gravity.

従来、重心位置を変更することが可能なゴルフクラブヘッドとして、特許文献１のものが提案されている。特許文献１のゴルフクラブヘッドは、ヘッドの打球面の裏側に少なくともボール相当の直径を有する凹部を設け、上記凹部内にて内外方向へ移動させることによってヘッドの重心位置を変化させる可動錘を設けたものである（請求項１）。   Conventionally, the thing of patent document 1 is proposed as a golf club head which can change a gravity center position. The golf club head of Patent Document 1 is provided with a concave portion having a diameter corresponding to at least a ball on the back side of the ball striking surface of the head, and a movable weight that changes the center of gravity of the head by moving inward and outward within the concave portion. (Claim 1).

特開２００６−１０１９１８号公報JP 2006-101918 A

しかし、特許文献１のゴルフクラブヘッドは、ヘッドの打球面の裏側にボール相当の直径を有する凹部を設け、上記凹部内に可動錘を設けたものであるため、ヘッドが特殊な形状となるという問題点があった。   However, since the golf club head of Patent Document 1 is provided with a concave portion having a diameter corresponding to a ball on the back side of the ball striking surface of the head and a movable weight provided in the concave portion, the head has a special shape. There was a problem.

本発明は、上記事情に鑑みてなされたもので、ヘッドを特殊な形状とすることなく、重心位置を変更することができるようにしたゴルフクラブヘッドを提供することを目的とする。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a golf club head in which the position of the center of gravity can be changed without making the head a special shape.

本発明は、前記目的を達成するため、
ソール部に凹部が設けられた中空ヘッド本体と、
前記ヘッド本体の凹部の中央部と周壁部の一部との間に配置される板状の重心特性調整部材と、
前記重心特性調整部材を任意の回転位置で前記ヘッド本体に固定する固定部材と
を具備することを特徴とするゴルフクラブヘッドを提供する。 In order to achieve the above object, the present invention provides
A hollow head body provided with a recess in the sole part;
A plate-like center-of-gravity characteristic adjusting member disposed between the central portion of the concave portion of the head body and a part of the peripheral wall portion;
A golf club head comprising: a fixing member that fixes the center-of-gravity characteristic adjusting member to the head body at an arbitrary rotational position.

本発明のゴルフクラブヘッドは、中空ヘッド本体のソール部に凹部を設け、この凹部内に配置した板状の重心特性調整部材を任意の回転位置でヘッド本体に固定することにより、重心位置の変更を行うものであるため、ヘッドを特殊な形状とすることなく、重心位置を変更することが可能である。   In the golf club head of the present invention, a concave portion is provided in the sole portion of the hollow head main body, and the center of gravity characteristic adjusting member disposed in the concave portion is fixed to the head main body at an arbitrary rotational position, thereby changing the center of gravity position. Therefore, it is possible to change the position of the center of gravity without making the head a special shape.

本発明のゴルフクラブヘッドは、より具体的には、
前記重心特性調整部材は、前記ヘッド本体の凹部の中央部に対応する箇所にネジ挿入穴を有し、
前記固定部材は、頭部と軸部を有し、前記軸部の外周にネジ山が形成された雄ネジであり、
前記ヘッド本体の凹部の中央部には雌ネジ部が形成されており、
重心特性調整部材をヘッド本体の凹部内に配置し、前記雄ネジの軸部を前記ネジ挿入穴に通して前記雌ネジ部に螺合することにより、重心特性調整部材を任意の回転位置でヘッド本体に固定するように構成することができる。 The golf club head of the present invention more specifically,
The center-of-gravity characteristic adjusting member has a screw insertion hole at a location corresponding to the central portion of the concave portion of the head body,
The fixing member is a male screw having a head portion and a shaft portion, and a screw thread formed on the outer periphery of the shaft portion,
A female screw portion is formed at the center of the concave portion of the head body,
The center of gravity characteristic adjusting member is disposed in the recess of the head body, and the shaft portion of the male screw is passed through the screw insertion hole and screwed into the female screw portion, so that the center of gravity characteristic adjusting member can be moved to the head at an arbitrary rotational position. It can be configured to be fixed to the body.

また、本発明のゴルフクラブヘッドは、前記ヘッド本体および重心特性調整部材の一方に設けられた突起、他方に設けられた前記突起と係合する係合溝により、ヘッド本体に固定した重心特性調整部材の回転防止機構が形成されている構成とすることができる。これにより、スイング時などにヘッド本体に固定した重心特性調整部材が回転することを防止することができる。   Further, the golf club head of the present invention has a center of gravity characteristic adjustment fixed to the head body by a protrusion provided on one of the head body and the center of gravity characteristic adjusting member and an engagement groove engaging with the protrusion provided on the other. It can be set as the structure in which the rotation prevention mechanism of the member is formed. Thereby, it is possible to prevent the center-of-gravity characteristic adjusting member fixed to the head body from rotating during a swing or the like.

さらに、本発明のゴルフクラブヘッドは、ヘッド本体のソール部に設けられた凹部の裏面（中空部側の面）にリブが形成されている構成とすることができる。このようにすると、上記リブの作用により、インパクト時におけるヘッドの打球音を改善することができる。すなわち、ヘッド本体のソール部に設けられた凹部の底はほぼ平面状となるため、打球時にヘッドの変形によって低い打球音が出やすいが、上記リブによりヘッドの剛性を高めることによって、打球音を改善することができる。   Furthermore, the golf club head of the present invention can be configured such that ribs are formed on the back surface (surface on the hollow portion side) of the recess provided in the sole portion of the head body. If it does in this way, the hitting sound of the head at the time of impact can be improved by the operation of the rib. That is, since the bottom of the concave portion provided in the sole portion of the head body is substantially flat, a low hitting sound is likely to be produced due to deformation of the head at the time of hitting, but by increasing the rigidity of the head by the rib, the hitting sound is reduced. Can be improved.

本発明のゴルフクラブヘッドは、ヘッドを特殊な形状とすることなく、重心位置を変更することが可能である。   The golf club head of the present invention can change the position of the center of gravity without making the head a special shape.

本発明に係るゴルフクラブヘッドの一実施形態を示すソール側から見た底面図である。It is the bottom view seen from the sole side which shows one embodiment of the golf club head concerning the present invention. 図１Ａ−Ａ線に沿った断面図である。It is sectional drawing along the FIG. 1A-A line. （ａ）は重心特性調整部材の一例を示す斜視図、（ｂ）は同重心特性調整部材をヘッド本体に固定した状態を示す概略断面図である。(A) is a perspective view which shows an example of a gravity center characteristic adjustment member, (b) is a schematic sectional drawing which shows the state which fixed the gravity center characteristic adjustment member to the head main body. （ａ）は重心特性調整部材の一例を示す斜視図、（ｂ）は同重心特性調整部材をヘッド本体に固定した状態を示す概略断面図である。(A) is a perspective view which shows an example of a gravity center characteristic adjustment member, (b) is a schematic sectional drawing which shows the state which fixed the gravity center characteristic adjustment member to the head main body. （ａ）は重心特性調整部材の一例を示す斜視図、（ｂ）は同重心特性調整部材をヘッド本体に固定した状態を示す概略断面図である。(A) is a perspective view which shows an example of a gravity center characteristic adjustment member, (b) is a schematic sectional drawing which shows the state which fixed the gravity center characteristic adjustment member to the head main body. 固定部材（雄ネジ）の一例を示す斜視図である。It is a perspective view which shows an example of a fixing member (male screw). カバーの一例を示す斜視図である。It is a perspective view which shows an example of a cover. （ａ）、（ｂ）はそれぞれ重心特性調整部材の一例を示す平面図である。(A), (b) is a top view which shows an example of a gravity center characteristic adjustment member, respectively. 重心特性調整部材の回転防止機構の一例を示す説明図である。It is explanatory drawing which shows an example of the rotation prevention mechanism of a gravity center characteristic adjustment member. ヘッド本体のソール部に設けられた凹部の裏面にリブを形成したゴルフクラブヘッドを示す一部切り欠き斜視図である。1 is a partially cutaway perspective view showing a golf club head in which a rib is formed on the back surface of a recess provided in a sole portion of a head body.

以下、本発明につき図面を参照して詳しく説明する。図１、図２は本発明に係るゴルフクラブヘッドの一実施形態を示すもので、図１はソール側から見た底面図、図２は図１Ａ−Ａ線に沿った断面図である。   Hereinafter, the present invention will be described in detail with reference to the drawings. 1 and 2 show an embodiment of a golf club head according to the present invention. FIG. 1 is a bottom view seen from the sole side, and FIG. 2 is a cross-sectional view taken along the line AA in FIG.

本例のゴルフクラブヘッド１０において、１２はヘッド本体を示す。ヘッド本体１２は、中空部１４を有するもので、ソール部に略円形の凹部１６が設けられている。また、ヘッド本体１２の凹部１６の中央部には、孔状の雌ネジ部１８が形成されている。ヘッド本体の材質に限定はなく、例えば、チタン、チタン合金、ステンレス鋼、アルミニウム、アルミニウム合金、ベリリウム銅合金、マグネシウム合金等の金属や、繊維強化樹脂などを使って形成することができる。   In the golf club head 10 of this example, reference numeral 12 denotes a head body. The head main body 12 has a hollow portion 14, and a substantially circular concave portion 16 is provided in the sole portion. Further, a hole-shaped female screw portion 18 is formed at the center of the concave portion 16 of the head body 12. There is no limitation on the material of the head body, and for example, it can be formed using a metal such as titanium, titanium alloy, stainless steel, aluminum, aluminum alloy, beryllium copper alloy, magnesium alloy, or fiber reinforced resin.

図中２０は、ヘッド本体１２の凹部１６内に配置された重心特性調整部材を示す。重心特性調整部材２０は、ヘッド本体１２の凹部１６の中央部と周壁部２２の一部との間に配置された略扇形の板状のもので、ヘッド本体１２の凹部１６の中央部に対応する箇所にネジ挿入穴２４を有する。重心特性調整部材の材質に限定はなく、例えば、タングステン、タングステン合金、ステンレス鋼、アルミニウム、アルミニウム合金等の金属や、ポリエステル、ナイロン等のプラスチックによって形成することができる。ウエイト部材の比重は、０．９〜１９．３であることが適当である。   In the figure, reference numeral 20 denotes a center-of-gravity characteristic adjusting member disposed in the recess 16 of the head body 12. The center-of-gravity characteristic adjusting member 20 is a substantially fan-shaped plate disposed between the central portion of the concave portion 16 of the head main body 12 and a part of the peripheral wall portion 22, and corresponds to the central portion of the concave portion 16 of the head main body 12. A screw insertion hole 24 is provided at a place to be performed. The material of the center-of-gravity characteristic adjusting member is not limited, and can be formed of, for example, a metal such as tungsten, tungsten alloy, stainless steel, aluminum, or aluminum alloy, or a plastic such as polyester or nylon. The specific gravity of the weight member is suitably 0.9 to 19.3.

重心特性調整部材２０としては、例えば、図３〜図５に示すものを用いることができる。なお、図３（ｂ）、図４（ｂ）、図５（ｂ）では、後述するカバーの図示を省略してある。図３の重心特性調整部材２０は、ネジ挿入穴２４の周囲に円形リング状の凸部が形成され、この凸部２６の表面をヘッド本体１２の凹部１６の底面に当接させるもので、これにより凹部１６の底面が多少湾曲していても、重心特性調整部材２０をヘッド本体１２に確実に取り付けることができるとともに、重心特性調整部材２０の先端側の扇形部分が凹部１６の底面と接触していないので、重心特性調整部材２０をスムーズに回転させることができるという利点が得られる。図４の重心特性調整部材２０は、先端側に扇形の凹部２８が形成され、この凹部２８の底面をヘッド本体１２の凹部１６の底面に当接させるもので、これにより凹部１６の底面が多少湾曲していても、重心特性調整部材２０をヘッド本体１２に確実に取り付けることができるという利点が得られる。なお、図４の重心特性調整部材２０をヘッド本体１２に取り付ける場合、重心特性調整部材２０と凹部１６の底面との間にワッシャー３１を配置することにより、重心特性調整部材２０の基端側と凹部１６の底面とを平行にすることができる。図５の重心特性調整部材２０は、全体が平板状に形成され、重心特性調整部材２０の表面全体をヘッド本体１２の凹部１６の底面に当接させるもので、これにより凹部１６の底面との接触面積が大きくなるので、重心特性調整部材２０をヘッド本体１２に確実に取り付けることができるという利点が得られる。   As the center-of-gravity characteristic adjusting member 20, for example, those shown in FIGS. 3 to 5 can be used. In addition, in FIG.3 (b), FIG.4 (b), FIG.5 (b), illustration of the cover mentioned later is abbreviate | omitted. The center-of-gravity characteristic adjusting member 20 shown in FIG. 3 has a circular ring-shaped convex portion formed around the screw insertion hole 24, and the surface of the convex portion 26 is brought into contact with the bottom surface of the concave portion 16 of the head body 12. Thus, even if the bottom surface of the recess 16 is slightly curved, the center-of-gravity characteristic adjusting member 20 can be securely attached to the head body 12 and the fan-shaped portion on the front end side of the center-of-gravity characteristic adjusting member 20 contacts the bottom surface of the recess 16. Therefore, there is an advantage that the gravity center characteristic adjusting member 20 can be smoothly rotated. The center-of-gravity characteristic adjusting member 20 shown in FIG. 4 has a fan-shaped recess 28 formed on the tip side, and the bottom surface of the recess 28 is brought into contact with the bottom surface of the recess 16 of the head body 12. Even if it is curved, there is an advantage that the center-of-gravity characteristic adjusting member 20 can be securely attached to the head body 12. 4 is attached to the head main body 12, the washer 31 is disposed between the center of gravity characteristic adjusting member 20 and the bottom surface of the concave portion 16, so that the base end side of the center of gravity characteristic adjusting member 20 and The bottom surface of the recess 16 can be made parallel. The center-of-gravity characteristic adjusting member 20 in FIG. 5 is formed in a flat plate shape as a whole, and the entire surface of the center-of-gravity characteristic adjusting member 20 is brought into contact with the bottom surface of the concave portion 16 of the head body 12. Since the contact area becomes large, there is an advantage that the center-of-gravity characteristic adjusting member 20 can be securely attached to the head body 12.

図中３０は、重心特性調整部材２０を任意の回転位置でヘッド本体１２に固定する固定部材を示す。本例の固定部材３０は、図６に示すように、頭部３２と軸部３４を有し、軸部３４の外周にネジ山が形成された雄ネジである。雄ネジの材質に限定はなく、例えば、ステンレス鋼、アルミニウム、アルミニウム合金、チタン、チタン合金、マグネシウム合金等の金属や、ポリエステル、ナイロン等のプラスチックによって形成することができる。   In the figure, reference numeral 30 denotes a fixing member that fixes the center-of-gravity characteristic adjusting member 20 to the head body 12 at an arbitrary rotational position. As shown in FIG. 6, the fixing member 30 of this example is a male screw having a head portion 32 and a shaft portion 34, and a thread is formed on the outer periphery of the shaft portion 34. The material of the male screw is not limited, and can be formed of, for example, a metal such as stainless steel, aluminum, an aluminum alloy, titanium, a titanium alloy, or a magnesium alloy, or a plastic such as polyester or nylon.

図中３６は、雄ネジ３０の頭部３２と重心特性調整部材２０との間に配置されたカバーを示す。本例のカバー３６は、図７に示すように、中央部にネジ挿入穴３８が形成された略円形リング状の基板４０の片面に凸部４２が形成されたものである。カバー３６は、打撃衝撃による重心特性調整部材２０の回転を防ぐという役割を果たす。カバーの材質に限定はなく、例えば、ステンレス鋼、アルミニウム、アルミニウム合金、チタン、チタン合金、マグネシウム合金等の金属や、ポリエステル、ナイロン等のプラスチックによって形成することができる。   In the figure, reference numeral 36 denotes a cover disposed between the head 32 of the male screw 30 and the gravity center characteristic adjusting member 20. As shown in FIG. 7, the cover 36 of this example has a convex portion 42 formed on one surface of a substantially circular ring-shaped substrate 40 having a screw insertion hole 38 formed in the center. The cover 36 plays a role of preventing the rotation of the center-of-gravity characteristic adjusting member 20 due to impact. There is no limitation on the material of the cover. For example, the cover can be formed of a metal such as stainless steel, aluminum, an aluminum alloy, titanium, a titanium alloy, or a magnesium alloy, or a plastic such as polyester or nylon.

本実施形態では、重心特性調整部材２０をヘッド本体１２の凹部１６内に配置し、さらに重心特性調整部材２０の上にカバー３６を配置した後、雄ネジ３０の軸部３４をカバー３６のネジ挿入穴３８および重心特性調整部材２０のネジ挿入穴２４に順次通し、雄ネジ３０の頭部３２を工具で回して軸部３４を雌ネジ部１８に螺合することにより、重心特性調整部材２０を任意の回転位置でヘッド本体１２に固定することができる。   In the present embodiment, the center-of-gravity characteristic adjusting member 20 is disposed in the recess 16 of the head body 12, and the cover 36 is disposed on the center-of-gravity characteristic adjusting member 20, and then the shaft portion 34 of the male screw 30 is connected to the screw of the cover 36. The center of gravity characteristic adjusting member 20 is sequentially passed through the insertion hole 38 and the screw insertion hole 24 of the center of gravity characteristic adjusting member 20, and the head portion 32 of the male screw 30 is turned with a tool to screw the shaft portion 34 into the female screw portion 18. Can be fixed to the head body 12 at an arbitrary rotational position.

なお、本発明のゴルフクラブヘッドは上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の変更が可能である。例えば、下記（ア）〜（ウ）に示す構成とすることができる。   The golf club head of the present invention is not limited to the embodiment described above, and various modifications can be made without departing from the gist of the present invention. For example, it can be set as the structure shown to the following (A)-(C).

（ア）重心特性調整部材の形状に限定はなく、例えば図８（ａ）に示す重心特性調整部材５０のように長方形状としたり、図８（ｂ）に示す重心特性調整部材５２のように楕円形状としたりするなど、任意の形状とすることができる。   (A) The shape of the center-of-gravity characteristic adjustment member is not limited. For example, the center-of-gravity characteristic adjustment member is rectangular like the center-of-gravity characteristic adjustment member 50 shown in FIG. 8A, or like the center-of-gravity characteristic adjustment member 52 shown in FIG. An arbitrary shape such as an elliptical shape can be used.

（イ）図９に示すように、ヘッド本体６８に設けられた係合溝７０および重心特性調整部材７２に設けられた上記係合溝７０と係合する突起７４により、ヘッド本体６８に固定した重心特性調整部材７２の回転防止機構が形成されている構成とすることができる。この場合、ヘッド本体６８に突起を設け、重心特性調整部材７２に上記突起と係合する係合溝を設けてもよい。また、突起および係合溝の数は適宜設定することができる。   (A) As shown in FIG. 9, the head is fixed to the head main body 68 by the engagement groove 70 provided in the head main body 68 and the projection 74 that engages with the engagement groove 70 provided in the gravity center characteristic adjusting member 72 The rotation prevention mechanism for the center of gravity characteristic adjusting member 72 can be formed. In this case, the head main body 68 may be provided with a protrusion, and the center of gravity characteristic adjusting member 72 may be provided with an engagement groove that engages with the protrusion. Moreover, the number of protrusions and engagement grooves can be set as appropriate.

（ウ）図１０に示すように、ヘッド本体７６のソール部に設けられた凹部７８の裏面（中空部側の面）に適宜形状のリブ８０が設けられている構成とすることができる。   (C) As shown in FIG. 10, a suitably shaped rib 80 may be provided on the back surface (surface on the hollow portion side) of the recess 78 provided in the sole portion of the head main body 76.

１０ ゴルフクラブヘッド
１２ ヘッド本体
１４ 中空部
１６ 凹部
１８ 雌ネジ部
２０ 重心特性調整部材
２２ 周壁部
２４ ネジ挿入穴
３０ 固定部材（雄ネジ）
３２ 頭部
３４ 軸部
３６ カバー
５０ 重心特性調整部材
５２ 重心特性調整部材
６８ 重心特性調整部材
７０ 突起
７２ ヘッド本体
７４ 係合溝
７６ ヘッド本体
７８ 凹部
８０ リブ DESCRIPTION OF SYMBOLS 10 Golf club head 12 Head main body 14 Hollow part 16 Recessed part 18 Female thread part 20 Center of gravity characteristic adjustment member 22 Peripheral wall part 24 Screw insertion hole 30 Fixing member (male thread)
32 Head 34 Shaft 36 Cover 50 Center of gravity characteristic adjustment member 52 Center of gravity characteristic adjustment member 68 Center of gravity characteristic adjustment member 70 Projection 72 Head body 74 Engaging groove 76 Head body 78 Recess 80 Rib

Claims (4)

ソール部に凹部が設けられた中空ヘッド本体と、
前記ヘッド本体の凹部の中央部と周壁部の一部との間に配置される板状の重心特性調整部材と、
前記重心特性調整部材を任意の回転位置で前記ヘッド本体に固定する固定部材と
を具備することを特徴とするゴルフクラブヘッド。 A hollow head body provided with a recess in the sole part;
A plate-like center-of-gravity characteristic adjusting member disposed between the central portion of the concave portion of the head body and a part of the peripheral wall portion;
A golf club head, comprising: a fixing member that fixes the center-of-gravity characteristic adjusting member to the head body at an arbitrary rotational position. 前記重心特性調整部材は、前記ヘッド本体の凹部の中央部に対応する箇所にネジ挿入穴を有し、
前記固定部材は、軸部の外周にネジ山が形成された雄ネジであり、
前記ヘッド本体の凹部の中央部には雌ネジ部が形成されており、
重心特性調整部材をヘッド本体の凹部内に配置し、前記雄ネジの軸部を前記ネジ挿入穴に通して前記雌ネジ部に螺合することにより、重心特性調整部材を任意の回転位置でヘッド本体に固定する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。 The center-of-gravity characteristic adjusting member has a screw insertion hole at a location corresponding to the central portion of the concave portion of the head body,
The fixing member is a male screw having a thread formed on the outer periphery of the shaft portion,
A female screw portion is formed at the center of the concave portion of the head body,
The center of gravity characteristic adjusting member is disposed in the recess of the head body, and the shaft portion of the male screw is passed through the screw insertion hole and screwed into the female screw portion, so that the center of gravity characteristic adjusting member can be moved to the head at an arbitrary rotational position. The golf club head according to claim 1, wherein the golf club head is fixed to a main body. 前記ヘッド本体および重心特性調整部材の一方に設けられた突起、他方に設けられた前記突起と係合する係合溝により、ヘッド本体に固定した重心特性調整部材の回転防止機構が形成されていることを特徴とする請求項１または２に記載のゴルフクラブヘッド。   An anti-rotation mechanism for the center of gravity characteristic adjusting member fixed to the head body is formed by a protrusion provided on one of the head body and the center of gravity characteristic adjusting member and an engagement groove engaging with the protrusion provided on the other. The golf club head according to claim 1, wherein the golf club head is provided. 前記ヘッド本体のソール部に設けられた凹部の裏面にリブが形成されていることを特徴とする請求項１〜３のいずれか１項に記載のゴルフクラブヘッド。   The golf club head according to any one of claims 1 to 3, wherein a rib is formed on a back surface of a concave portion provided in a sole portion of the head main body.
JP2009153807A 2009-06-29 2009-06-29 Golf club head Pending JP2011005167A (en)

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