JP2006187489A - Golf club head - Google Patents

Golf club head Download PDF

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JP2006187489A
JP2006187489A JP2005002165A JP2005002165A JP2006187489A JP 2006187489 A JP2006187489 A JP 2006187489A JP 2005002165 A JP2005002165 A JP 2005002165A JP 2005002165 A JP2005002165 A JP 2005002165A JP 2006187489 A JP2006187489 A JP 2006187489A
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weight
club head
mounting hole
golf club
head
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Koji Sakinaka
宏司 嵜中
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a golf club head facilitating the replacement of a weight and eliminating intrusion of a foreign matter such as contamination and water into a club head body in a case of replacing the weight or even if the weight is fallen off. <P>SOLUTION: This golf club head is provided with a hollow part inside the head part and at least a single tubular weight mount part provided in the head wall face, having one end facing the inside of the hollow part and the other end opened to a head external wall face, and replaceably mounted with the weight for adjusting the weight balance; and is characterized in that the end part of the weight mount part in the inside of the club head is watertightly sealed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、ゴルフクラブヘッドに関する。   The present invention relates to a golf club head.

ユーザーの技術、体力、スイングのくせ等に応じたウェートバランスを備えたゴルフクラブを容易に得ることができるように、錘を着脱自在に装着できるようにしたゴルフクラブヘッドが既に提案されている(たとえば、特許文献1参照)。
すなわち、上記特許文献１のゴルフクラブヘッドは、図７に示すように、中空のクラブヘッド本体１００のソール部分に錘装着用孔１１０が穿設され、ナット２００がクラブヘッド本体１００の内壁面にナット２００の中心軸を錘装着用孔１１０に一致させるように固定されていて、先端にナット２００に螺合するねじ部３１０を有し、頭部３２０が錘装着用孔１１０と略同じ大きさをした錘３００を頭部３２０が錘装着用孔１１０に入り込むまで、ねじ部３１０をナット２００にねじ込むようになっている。 In order to easily obtain a golf club having a weight balance according to the user's technology, physical strength, swing habit, etc., a golf club head in which a weight can be detachably mounted has already been proposed ( For example, see Patent Document 1).
That is, in the golf club head of Patent Document 1, a weight mounting hole 110 is formed in the sole portion of the hollow club head main body 100 and the nut 200 is formed on the inner wall surface of the club head main body 100 as shown in FIG. The nut 200 is fixed so that the center axis of the nut 200 is aligned with the weight mounting hole 110, and has a screw portion 310 that is screwed into the nut 200 at the tip, and the head 320 is substantially the same size as the weight mounting hole 110. The threaded portion 310 is screwed into the nut 200 until the head 320 enters the weight mounting hole 110.

そして、錘３００は、ねじ部３１０の長さを異ならせたり、材質を異ならせたりすることによって、重量の異なるものが複数種用意されていて、これらの錘３００を交換することによって容易にクラブヘッドのウェートバランスを変更することができるようになっている。   A plurality of types of weights 300 having different weights are prepared by changing the length of the screw portion 310 or by using different materials. The weight 300 can be easily changed by replacing these weights 300. The weight balance of the head can be changed.

特開平１１−９７４２号公報Japanese Patent Laid-Open No. 11-9742

しかしながら、上記のような従来の錘を交換自在となったゴルフクラブヘッドの場合、錘３００を交換の際、あるいは、使用中に錘がねじの緩みにより脱落した場合、錘装着用孔１１０およびナット２００のねじ孔を介してクラブヘッド本体１００の内部にゴミや水等の異物が入ったりする恐れがある。   However, in the case of the golf club head in which the conventional weight can be exchanged as described above, when the weight 300 is replaced or when the weight falls off during use due to loosening of the screw, the weight mounting hole 110 and the nut There is a possibility that foreign matters such as dust and water may enter the club head main body 100 through the 200 screw holes.

本発明は、上記事情に鑑みて、錘の交換が容易であるとともに、錘の交換時や錘が脱落した場合にもクラブヘッド本体内にゴミや水等の異物が入ったりすることがないゴルフクラブヘッドを提供することを目的としている。   In view of the above circumstances, the present invention allows golf balls to be easily exchanged and to prevent foreign matters such as dust and water from entering the club head body even when the weight is replaced or when the weight is dropped. The purpose is to provide club heads.

上記目的を達成するために、本発明の請求項１に記載のゴルフクラブヘッド（以下、「請求項１のゴルフクラブヘッド」と記す）は、中空部をヘッド内部に有し、中空部内にその一端が臨み、他端がヘッド外壁面に開口するとともに、ウェートバランス調整用の錘が交換自在に装着される筒状をした錘装着部をヘッド壁面に少なくとも１つ備えているゴルフクラブヘッドにおいて、錘装着部のクラブヘッド内部側の端部が水密に封止されていることを特徴としている。   In order to achieve the above object, a golf club head according to claim 1 of the present invention (hereinafter referred to as "golf club head of claim 1") has a hollow portion inside the head, In a golf club head having one end facing, the other end opening on the outer wall surface of the head, and at least one cylindrical weight mounting portion on which a weight balance adjusting weight is replaceably mounted. An end of the weight mounting portion on the inner side of the club head is watertightly sealed.

本発明の請求項２に記載のゴルフヘッド（以下、「請求項２のゴルフクラブヘッド」と記す）は、請求項１のゴルフクラブヘッドにおいて、中空のクラブヘッド本体と、錘装着部形成部材とを有し、前記クラブヘッド本体の錘装着部形成位置に前記錘装着部形成部材の装着孔が穿設されていて、前記錘装着部形成部材が、前記装着孔に挿入可能な外径で錘が交換自在に装着される筒部と、この筒部の一端を水密に封止するキャップ部と、前記筒部の他端から外側に鍔状に張り出して前記装着孔より大径の鍔部と、この鍔部よりキャップ部側の筒部外壁面に突設され、鍔部との間にクラブヘッド本体の装着孔周縁部が係合する係合溝を形成する係止突部とを備え、前記キャップ側を先頭にして前記筒部を前記係止突部が弾性変形しつつ前記装着孔からクラブヘッド本体内に圧入されることによってヘッド本体に装着されていることを特徴としている。   A golf head according to claim 2 of the present invention (hereinafter referred to as "golf club head of claim 2") is the golf club head according to claim 1, wherein the hollow club head main body, the weight mounting portion forming member, A mounting hole of the weight mounting part forming member is formed in the weight mounting part forming position of the club head body, and the weight mounting part forming member is a weight having an outer diameter that can be inserted into the mounting hole. A cylinder part that is exchangeably mounted, a cap part that seals one end of the cylinder part in a water-tight manner, a flange part that projects outwardly from the other end of the cylinder part in a bowl shape, and has a larger diameter than the mounting hole A locking projection that protrudes from the flange on the outer wall surface of the cylindrical portion on the cap side and forms an engagement groove with which the peripheral edge of the mounting hole of the club head body engages with the flange. The mounting is carried out while the locking projection is elastically deformed with the cylinder portion starting from the cap side. It is characterized by being attached to the head body by being press-fitted into the club head body from.

本発明にかかるゴルフクラブヘッドは、以上のように、錘装着部のクラブヘッド内部側の端部が水密に封止されているので、錘を交換の際や錘がクラブの使用中に脱落しても、クラブヘッド本体内にゴミや水が入らない。   In the golf club head according to the present invention, as described above, since the end of the weight mounting portion on the inner side of the club head is sealed in a watertight manner, the weight is dropped when the weight is replaced or during use of the club. However, no dust or water can get into the club head.

また、請求項２のゴルフクラブヘッドは、中空のクラブヘッド本体と、錘装着部形成部材とを有し、前記クラブヘッド本体の錘装着部形成位置に前記錘装着部形成部材の装着孔が穿設されていて、前記錘装着部形成部材が、前記装着孔に挿入可能な外径で錘が交換自在に装着される筒部と、この筒部の一端を水密に封止するキャップ部と、前記筒部の他端から外側に鍔状に張り出して前記装着孔より大径の鍔部と、この鍔部よりキャップ部側の筒部外壁面に突設され、鍔部との間にクラブヘッド本体の装着孔周縁部が係合する係合溝を形成する係止突部とを備え、前記キャップ側を先頭にして前記筒部を前記係止突部が弾性変形しつつ前記装着孔からクラブヘッド本体内に圧入されることによってヘッド本体に装着されている構成としたので、クラブヘッド本体の所望位置に装着孔を穿設して置けば、錘装着部を容易に形成できる。また、既存のカーボン樹脂製クラブヘッド等も容易に本発明のゴルフクラブヘッドに改良することができる。   The golf club head according to claim 2 has a hollow club head main body and a weight mounting portion forming member, and a mounting hole for the weight mounting portion forming member is formed at a weight mounting portion forming position of the club head main body. A cylinder portion on which the weight mounting portion forming member has an outer diameter that can be inserted into the mounting hole and the weight is exchangeably mounted; a cap portion that seals one end of the cylinder portion in a water-tight manner; A club head that protrudes from the other end of the cylindrical portion outwardly in a hook shape and protrudes from the flange portion to the outer wall surface of the cylindrical portion on the cap portion side. And a locking projection that forms an engagement groove with which the peripheral edge of the mounting hole of the main body engages, and the cylinder protrudes from the mounting hole while the locking projection is elastically deformed with the cap side at the top. Since it is configured to be attached to the head body by being press-fitted into the head body If you put in drilled mounting hole in the desired position of the club head body, the weight mounting portion can be easily formed. Also, an existing carbon resin club head or the like can be easily improved to the golf club head of the present invention.

以下に、本発明を、その実施の形態をあらわす図面を参照しつつ詳しく説明する。
図１〜図５は、本発明にかかるゴルフクラブヘッドの１つの実施の形態をあらわしている。 Hereinafter, the present invention will be described in detail with reference to the drawings showing embodiments thereof.
1 to 5 show one embodiment of a golf club head according to the present invention.

図１および図２に示すように、このゴルフクラブヘッド１ａは、ドライバー形状のクラブヘッド本体２と、錘３ａと、錘装着孔形成部材４ａとを備えている。
クラブヘッド本体２は、フェース部２１およびソール部２２がチタン合金等の軽量金属材料で形成され、ヒール部を含むクラウン部２３がカーボン繊維やガラス繊維強化樹脂で形成されているとともに、図３に示すように、後述する錘装着孔形成部材４ａが装着される装着孔２５がソール部２２に2つ、クラウン部２３に4つ穿設されている。 As shown in FIGS. 1 and 2, the golf club head 1a includes a driver-shaped club head main body 2, a weight 3a, and a weight mounting hole forming member 4a.
In the club head body 2, the face portion 21 and the sole portion 22 are formed of a lightweight metal material such as a titanium alloy, and the crown portion 23 including the heel portion is formed of carbon fiber or glass fiber reinforced resin. As shown, two mounting holes 25 for mounting a weight mounting hole forming member 4a described later are formed in the sole portion 22 and four in the crown portion 23.

錘３ａは、図４および図５に示すように、錘本体３１と、固定部３２とを備えている。
錘本体３１は、アルミニウム、チタン等の金属材料で形成され、一端面に後述する錘着脱治具５ａの開口端が係合する４つの切り込み３１ａが放射状に形成されているとともに、他端部外周面に固定部３２への固定ネジ部３１ｂが設けられている。 As shown in FIGS. 4 and 5, the weight 3 a includes a weight body 31 and a fixing portion 32.
The weight main body 31 is made of a metal material such as aluminum or titanium, and has four cuts 31a radially engaged with an opening end of a weight attaching / detaching jig 5a described later on one end face, and the outer periphery of the other end. A fixing screw portion 31b to the fixing portion 32 is provided on the surface.

各切り込み３１ａは、錘本体３１の外面側で開口する溝状をしていて、錘本体３１の中心側の壁面に錘着脱治具５ａの係合突起５１が係合する係合凹部３１ｃを備えている。
錘着脱治具５ａは、金属あるいはエンジニアリングプラスチックで形成された略Ｕ字形をしていて、開口端が閉じる方向に弾性変形可能になっているとともに、開口端に他方の開口端に向かって延出する係合突起５１を備えている。 Each notch 31 a has a groove shape that opens on the outer surface side of the weight body 31, and includes an engagement recess 31 c that engages with the engagement protrusion 51 of the weight attaching / detaching jig 5 a on the wall surface on the center side of the weight body 31. ing.
The weight attaching / detaching jig 5a has a substantially U shape made of metal or engineering plastic, and is elastically deformable in the direction in which the opening end closes, and extends toward the other opening end at the opening end. Engaging projections 51 are provided.

固定部３２は、ポリアセタール樹脂等のエンジニアリングプラスチックで略筒状に形成されていて、一端部に錘本体３１と略同径の大径部３２ａ、他端部に大径部３２ａより小径の小径部３２ｂ、中間部にテーパ部３２ｃを有し、大径部３２ａに錘本体３１の固定ネジ部３１ｂが螺合する雌ねじ３２ｄが形成されている。また、小径部３２ｂには、中心軸を挟んで外側に突出する係止爪３２ｅが設けられるとともに、この係止爪３２ｅの両側にスリット３２ｆが穿設されている。すなわち、係止爪３２ｅは、弾性変形によって固定部３２の半径方向に出没可能になっている。また、係止爪３２ｅの側壁面は、R形状に形成されている。   The fixing portion 32 is formed of an engineering plastic such as polyacetal resin in a substantially cylindrical shape, and has a large diameter portion 32a having substantially the same diameter as the weight main body 31 at one end portion and a small diameter portion having a smaller diameter than the large diameter portion 32a at the other end portion. 32b has a tapered portion 32c in the middle portion, and a female screw 32d into which the fixing screw portion 31b of the weight main body 31 is screwed is formed in the large diameter portion 32a. The small-diameter portion 32b is provided with a locking claw 32e that protrudes outward across the central axis, and slits 32f are formed on both sides of the locking claw 32e. That is, the locking claw 32e can protrude and retract in the radial direction of the fixed portion 32 by elastic deformation. Further, the side wall surface of the locking claw 32e is formed in an R shape.

錘装着孔形成部材４ａは、図３および図４に示すように、ポリアセタール樹脂等のエンジニアリングプラスチック製の筒部４１と、キャップ部４２とから形成されている。
キャップ部４２は、筒部４１の一端開口部を塞ぐように筒部４１の一端面に熱融着あるいは接着によって筒部４１に一体化されている。 As shown in FIGS. 3 and 4, the weight mounting hole forming member 4 a is formed of a cylindrical portion 41 made of engineering plastic such as polyacetal resin and a cap portion 42.
The cap part 42 is integrated with the cylinder part 41 by heat-sealing or bonding to one end surface of the cylinder part 41 so as to close one end opening of the cylinder part 41.

筒部４１は、一端が、装着孔２５に挿入可能な外径をしていて、他端に装着孔２５より大径の鍔部４１ａが形成されている。
また、筒部４１の鍔部４１ａよりキャップ部４２側には、装着孔２５の周縁部が係合する係合溝４１ｂを形成する係止突部４１ｃが鍔部４１ａとの間に形成されている。 One end of the cylindrical portion 41 has an outer diameter that can be inserted into the mounting hole 25, and a flange portion 41 a having a larger diameter than the mounting hole 25 is formed at the other end.
A locking projection 41c that forms an engagement groove 41b that engages with the peripheral edge of the mounting hole 25 is formed between the flange 41a and the flange 41a. Yes.

係止突部４１ｃは、最大径部が装着孔２５より大径で、鍔部４１ａより少し小径になっていて、キャップ部４２側から鍔部４１ａ側に向かって徐々に拡経するテーパ面４１ｄを備えている。
筒部４１の内部には、錘装着孔４３が形成されている。 The locking projection 41c has a taper surface 41d whose maximum diameter is larger than the mounting hole 25 and slightly smaller than the flange 41a, and gradually expands from the cap 42 toward the flange 41a. It has.
A weight mounting hole 43 is formed inside the cylindrical portion 41.

錘装着孔４３は、錘本体挿入部４４と、錘係止部４５とを備えている。
錘本体挿入部４４は、鍔部４１ａ側に設けられ、錘本体３１の外径と略同じ内径で、錘本体３１の端から固定部３２の大径部３２ａの端までの長さと略同じ長さの円筒状をしている。 The weight mounting hole 43 includes a weight main body insertion portion 44 and a weight locking portion 45.
The weight main body insertion portion 44 is provided on the flange portion 41a side, has an inner diameter substantially the same as the outer diameter of the weight main body 31, and is approximately the same length as the length from the end of the weight main body 31 to the end of the large diameter portion 32a of the fixed portion 32. It has a cylindrical shape.

錘係止部４５は、受け部４５ａと、２つの係止爪挿通溝４５ｂと、２つの係止溝部４５ｃとを備えている。
受け部４５ａは、係止爪挿通溝４５ｂ部分を除き、固定部３２のテーパ部３２ｃに沿う形状をしている。 The weight locking portion 45 includes a receiving portion 45a, two locking claw insertion grooves 45b, and two locking groove portions 45c.
The receiving portion 45a has a shape along the tapered portion 32c of the fixing portion 32 except for the portion of the locking claw insertion groove 45b.

係止爪挿通溝４５ｂは、図では１つしかあらわれていないが、錘３ａの係止爪３２ｅが通過可能なように筒部４１の中心軸を挟んで対称位置に係止爪３２ｅと略同じ断面形状で設けられている。
係止溝部４５ｃは、受け部４５ａとキャップ部４２との間に溝状に設けられ、係止爪挿通溝４５ｂに対して９０°ずれた位置に係止爪３２ｅが嵌まり込む係止爪嵌合凹部４５ｄが設けられている。 Although only one locking claw insertion groove 45b appears in the drawing, it is substantially the same as the locking claw 32e at a symmetrical position across the central axis of the cylinder portion 41 so that the locking claw 32e of the weight 3a can pass therethrough. It is provided with a cross-sectional shape.
The locking groove portion 45c is provided in a groove shape between the receiving portion 45a and the cap portion 42, and the locking claw fitting in which the locking claw 32e is fitted at a position shifted by 90 ° with respect to the locking claw insertion groove 45b. A concavity 45d is provided.

そして、このゴルフクラブヘッド１ａは、まず、係合溝４１ｂ内に接着剤を塗布した状態でキャップ部４２側を先頭にして錘装着孔形成部材４ａの筒部４１を装着孔２５の周縁部が係合溝４１ｂに嵌まり込むまでクラブヘッド本体２に設けられた装着孔２５に押し込む。このとき、係止突部４１ｃがテーパ面４１ｄを備えているので、筒部４１を装着孔２５に押し込んで行くと、装着孔２５の周縁がテーパ面４１ｄに受けられ、さらに押し込まれると係止突部４１ｃが弾性変形し、筒部４１が装着孔２５の周縁部に鍔部４１ａが受けられるまで押し込まれる。そして、係止突部４１ｃが弾性復元力によって元の状態に戻り、装着孔２５の周縁部が係合溝４１ｂ内に嵌め殺し状態に嵌まり込み、接着剤を介してクラブヘッド本体２に固定される。   In the golf club head 1a, first, the cylinder portion 41 of the weight mounting hole forming member 4a is placed at the peripheral portion of the mounting hole 25 with the cap portion 42 side at the top in a state where an adhesive is applied in the engaging groove 41b. It pushes into the mounting hole 25 provided in the club head main body 2 until it fits into the engaging groove 41b. At this time, since the locking projection 41c has the tapered surface 41d, when the cylindrical portion 41 is pushed into the mounting hole 25, the peripheral edge of the mounting hole 25 is received by the tapered surface 41d, and when it is further pushed, the locking is stopped. The protrusion 41c is elastically deformed, and the tube portion 41 is pushed in until the flange portion 41a is received by the peripheral portion of the mounting hole 25. Then, the locking projection 41c is restored to its original state by the elastic restoring force, and the peripheral edge portion of the mounting hole 25 is fitted into the engaging groove 41b and is fixed in the club head main body 2 via an adhesive. Is done.

すなわち、錘装着部としての錘装着孔４３を有し、キャップ部４２によって錘装着孔４３のクラブヘッド内部側の端部が水密に封止されているゴルフクラブヘッド１ａが容易に得られる。
また、各錘装着孔４３には、ゴルフクラブを使用するゴルファーの好みに応じた重さの錘３ａを以下のようにして装着することができる。 That is, the golf club head 1a having the weight mounting hole 43 as the weight mounting portion and the end portion of the weight mounting hole 43 on the inner side of the club head sealed with water by the cap portion 42 can be easily obtained.
Further, each weight mounting hole 43 can be mounted with a weight 3a having a weight according to the preference of the golfer using the golf club as follows.

まず、錘３ａを、係止爪３２ｅが係止爪挿通溝４５ｂに一致させるように固定部３２側を先頭にして錘装着孔４３に挿入し、係止爪３２ｅが係止溝部４５ｃを臨む位置に来るまで係止爪３２ｅを係止爪挿通溝４５ｂに沿ってスライドさせる。
つぎに、錘３ａの直線上に位置する２つの切り込み３１ａに錘着脱治具５ａの開口端のいずれか一方をそれぞれ臨ませたのち、錘着脱治具５ａを外側から握る錘着脱治具５ａの開口端を他方の開口端側に近づくように弾性変形させて、係合突起５１を係合凹部３１ｃに係合させた状態で、錘着脱治具５ａを係止溝部４５ｃ方向に捻り、錘３ａを９０°回転させて、係止爪３２ｅを係止爪嵌合凹部４５ｄに嵌め込む。 First, the weight 3a is inserted into the weight mounting hole 43 with the fixing portion 32 side leading so that the locking claw 32e is aligned with the locking claw insertion groove 45b, and the locking claw 32e faces the locking groove 45c. The locking claw 32e is slid along the locking claw insertion groove 45b until it comes to.
Next, after either one of the open ends of the weight attaching / detaching jig 5a faces the two notches 31a positioned on the straight line of the weight 3a, the weight attaching / detaching jig 5a holding the weight attaching / detaching jig 5a from the outside is provided. In a state where the opening end is elastically deformed so as to approach the other opening end side and the engaging projection 51 is engaged with the engaging recess 31c, the weight attaching / detaching jig 5a is twisted in the direction of the locking groove 45c, and the weight 3a. Is rotated 90 ° to fit the locking claw 32e into the locking claw fitting recess 45d.

すなわち、錘３ａを回転させると、係止爪３２ｅの両側面がＲ形状になっているとともに、係止爪３２ｅの両側にスリット３２ｆが設けられているので、係止爪挿通溝４５ｂに挿入されていた係止爪３２ｅ部分が弾性変形しつつ係止溝部４５ｃの底に乗り上げる。そして、されに回転を続け係止爪３２ｅが係止爪嵌合凹部４５ｄのところまでくると、弾性復元力によって、係止爪３２ｅが元の位置に戻り、係止爪嵌合凹部４５ｄに嵌まり込む。したがって、錘３ａに大きな回転方向の力が加わらない限り、錘３ａが錘装着孔４３内で回転せず、錘３ａがクラブヘッド本体２にしっかりと装着される。   That is, when the weight 3a is rotated, both side surfaces of the locking claw 32e are R-shaped, and the slits 32f are provided on both sides of the locking claw 32e, so that it is inserted into the locking claw insertion groove 45b. The portion of the locking claw 32e that has been placed rides on the bottom of the locking groove 45c while being elastically deformed. When the locking claw 32e continues to rotate and reaches the position of the locking claw fitting recess 45d, the locking claw 32e returns to its original position by the elastic restoring force and is fitted into the locking claw fitting recess 45d. Get stuck. Therefore, unless the force in the large rotation direction is applied to the weight 3a, the weight 3a does not rotate in the weight mounting hole 43, and the weight 3a is securely mounted to the club head main body 2.

一方、ゴルフクラブヘッドのウェートバランスを変更したい場合は、係止爪３２ｅが係止爪挿通溝４５ｂのところにくるまで錘着脱治具５ａを用いて錘３ａを反対方向に回転させて一旦錘３ａを取り外し、重さの異なる別の錘３ａを同様にして装着するようになっている。   On the other hand, when it is desired to change the weight balance of the golf club head, the weight 3a is rotated in the opposite direction using the weight attaching / detaching jig 5a until the locking claw 32e comes to the position of the locking claw insertion groove 45b. And another weight 3a having a different weight is mounted in the same manner.

このゴルフクラブヘッド１ａは、以上のように、クラブヘッド本体２の設けられた装着孔２５に錘装着孔形成部材４ａを嵌着するだけで容易に錘装着孔４３を形成することができる。また、繊維強化樹脂等で形成され、直接螺子を切ったりすることができない部材で形成された部分へも容易に錘装着孔４３を形成することができる。
しかも、キャップ部４２を備えているので、錘装着孔４３のクラブヘッド本体２側端部が水密に閉じられているので、錘装着孔４３を介して水やゴミ等の異物がクラブヘッド本体２内に入り込むことがない。 As described above, the golf club head 1a can easily form the weight mounting hole 43 simply by fitting the weight mounting hole forming member 4a into the mounting hole 25 provided with the club head main body 2. Further, the weight mounting hole 43 can be easily formed in a portion formed of a member that is formed of fiber reinforced resin or the like and cannot be directly screwed.
In addition, since the cap portion 42 is provided, the end of the weight mounting hole 43 on the side of the club head main body 2 is closed in a watertight manner, so that foreign matters such as water and dust are passed through the weight mounting hole 43. It does not get inside.

なお、図１中、７は、クラブシャフトである。   In FIG. 1, reference numeral 7 denotes a club shaft.

図６〜図８は、本発明にかかるゴルフクラブヘッドの他の実施の形態をあらわしている。
図６〜図８に示すように、このゴルフクラブヘッド１ｂは、錘装着孔形成部材４ｂの筒部４１に設けられた錘装着孔４１ｇが、その入口部内面に雌ねじ４１ｈが穿設され、係止突部４１ｃが筒部４１の外面に間欠的に設けられているとともに、錘３ｂの外面に形成された雄ねじ３６を雌ねじ４１ｈに螺合させることによって錘３ｂが錘装着孔４１ｇに装着されるようになっている以外は、上記のゴルフクラブヘッド１ａと同様になっている。 6 to 8 show another embodiment of a golf club head according to the present invention.
As shown in FIGS. 6 to 8, this golf club head 1b has a weight mounting hole 41g provided in the cylindrical portion 41 of the weight mounting hole forming member 4b, and a female screw 41h formed in the inner surface of the inlet portion. Stop projections 41c are intermittently provided on the outer surface of the cylindrical portion 41, and the weight 3b is mounted in the weight mounting hole 41g by screwing the male screw 36 formed on the outer surface of the weight 3b with the female screw 41h. Except for this, the golf club head 1a is the same as the above.

なお、このゴルフクラブヘッド１ｂにおいては、図９に示すように錘着脱治具５ｂが４つの係合突起５５を先端に備え、この係合突起５５を錘３ｂの端面に設けられた嵌合孔３７に嵌合させて、錘着脱治具５ｂのハンドル部５６を回転させることによって、錘３ｂを着脱するようになっている。   In this golf club head 1b, as shown in FIG. 9, the weight attaching / detaching jig 5b has four engaging protrusions 55 at the tip, and the engaging protrusions 55 are provided on the end face of the weight 3b. The weight 3b is attached and detached by rotating the handle portion 56 of the weight attaching / detaching jig 5b.

本発明にかかるゴルフクラブヘッドは、上記の実施の形態に限定されない。たとえば、上記の実施の形態では、ヘッド本体が金属材料と、繊維強化樹脂材料とで形成されていたが、全体を金属材料で形成するようにしても構わない。
上記の実施の形態では、錘が金属製の錘本体と、樹脂製の固定部と形成されていて、錘本体が交換自在となっていたが、錘本体と固定部とが一体成形されていても構わない。 The golf club head according to the present invention is not limited to the above embodiment. For example, in the above embodiment, the head main body is formed of a metal material and a fiber reinforced resin material. However, the entire head body may be formed of a metal material.
In the above embodiment, the weight is formed with a metal weight main body and a resin fixing portion, and the weight main body is replaceable. However, the weight main body and the fixing portion are integrally formed. It doesn't matter.

上記の実施の形態では、錘装着孔が合計６つ設けられていたが、７つ以上でも５つ以下でも構わない。また、錘装着孔の形成位置も特に限定されない。
上記の実施の形態では、ゴルフクラブヘッドがドライバー形状であったが、他のフェアーウッド形状のもの、および、中空部を備えていれば、アイアンタイプでも本発明の構造を採用することができる。 In the above embodiment, a total of six weight mounting holes are provided, but it may be seven or more or five or less. Moreover, the formation position of the weight mounting hole is not particularly limited.
In the above embodiment, the golf club head has a driver shape. However, if the golf club head has another fairwood shape and a hollow portion, the structure of the present invention can be adopted even with an iron type.

本発明にかかるゴルフクラブヘッドの1つの実施の形態をあらわす正面図である。1 is a front view showing one embodiment of a golf club head according to the present invention. 図１のゴルフクラブヘッドの底面図である。FIG. 2 is a bottom view of the golf club head of FIG. 1. 図１のゴルフクラブヘッドの錘装着孔形成部材のクラブヘッド本体への装着方法を説明する図であって、同図（ａ）は、その装着途中の状態をあらわす断面図、同図（ｂ）は装着状態の断面図である。It is a figure explaining the mounting method to the club head main body of the weight mounting hole formation member of the golf club head of FIG. 1, Comprising: The figure (a) is sectional drawing showing the state in the middle of the mounting | wearing, The figure (b) FIG. 図１のゴルフクラブヘッドの要部分解斜視図である。FIG. 2 is an exploded perspective view of main parts of the golf club head of FIG. 1. 錘の分解斜視図である。It is a disassembled perspective view of a weight. 本発明にかかるゴルフクラブヘッドの他の実施の形態をあらわす正面図である。It is a front view showing other embodiment of the golf club head concerning this invention. 図６のゴルフクラブヘッドの底面図である。FIG. 7 is a bottom view of the golf club head of FIG. 6. 図６のゴルフクラブヘッドの要部分解斜視図である。FIG. 7 is an exploded perspective view of main parts of the golf club head of FIG. 6. 図６のゴルフクラブヘッドの錘着脱治具の斜視図である。FIG. 7 is a perspective view of a weight attaching / detaching jig of the golf club head of FIG. 6. 従来のゴルフクラブヘッドの断面図である。It is sectional drawing of the conventional golf club head.

符号の説明Explanation of symbols

１ａ，１ｂ ゴルフクラブヘッド
２ 中空のクラブヘッド本体
３ａ，３ｂ 錘
４ａ，４ｂ 錘装着部形成部材
２５ 装着孔
４１ 筒部
４２ キャップ部
４１ａ 鍔部
４１ｂ 係合溝
４１ｃ 係止突部 DESCRIPTION OF SYMBOLS 1a, 1b Golf club head 2 Hollow club head main body 3a, 3b Weight 4a, 4b Weight mounting part formation member 25 Mounting hole 41 Cylindrical part 42 Cap part 41a Ling part 41b Engaging groove 41c Locking protrusion

Claims (2)

中空部をヘッド内部に有し、中空部内にその一端が臨み、他端がヘッド外壁面に開口するとともに、ウェートバランス調整用の錘が交換自在に装着される筒状をした錘装着部をヘッド壁面に少なくとも１つ備えているゴルフクラブヘッドにおいて、錘装着部のクラブヘッド内部側の端部が水密に封止されていることを特徴とするゴルフクラブヘッド。   The head has a cylindrical weight mounting part that has a hollow part inside the head, one end of which faces inside the hollow part, the other end opens on the outer wall surface of the head, and a weight balance adjustment weight is exchangeably mounted. A golf club head having at least one wall surface, wherein an end of the weight mounting portion on the inner side of the club head is sealed in a watertight manner. 中空のクラブヘッド本体と、錘装着部形成部材とを有し、
前記クラブヘッド本体の錘装着部形成位置に前記錘装着部形成部材の装着孔が穿設されていて、
前記錘装着部形成部材が、前記装着孔に挿入可能な外径で錘が交換自在に装着される筒部と、この筒部の一端を水密に封止するキャップ部と、前記筒部の他端から外側に鍔状に張り出して前記装着孔より大径の鍔部と、この鍔部よりキャップ部側の筒部外壁面に突設され、鍔部との間にクラブヘッド本体の装着孔周縁部が係合する係合溝を形成する係止突部とを備え、前記キャップ側を先頭にして前記筒部を前記係止突部が弾性変形しつつ前記装着孔からクラブヘッド本体内に圧入されることによってヘッド本体に装着されている請求項１に記載のゴルフクラブヘッド。 It has a hollow club head body and a weight mounting part forming member,
A mounting hole for the weight mounting portion forming member is formed in the weight mounting portion forming position of the club head body,
The weight mounting portion forming member includes a cylindrical portion with an outer diameter that can be inserted into the mounting hole, and a weight that is replaceably mounted; a cap portion that seals one end of the cylindrical portion in a water-tight manner; A flange that protrudes outward from the end in a hook shape and protrudes from the flange to the outer wall surface of the cylindrical portion on the cap portion side from the flange, and the peripheral edge of the mounting hole of the club head body between the flange and the flange A locking protrusion that forms an engaging groove with which the portion engages, and the cylinder portion is press-fitted into the club head body from the mounting hole while the locking protrusion is elastically deformed with the cap side at the head. The golf club head according to claim 1, wherein the golf club head is attached to the head body.
JP2005002165A 2005-01-07 2005-01-07 Golf club head Pending JP2006187489A (en)

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