JP2004351054A - Metal hollow golf club head - Google Patents

Metal hollow golf club head Download PDF

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Publication number
JP2004351054A
JP2004351054A JP2003154228A JP2003154228A JP2004351054A JP 2004351054 A JP2004351054 A JP 2004351054A JP 2003154228 A JP2003154228 A JP 2003154228A JP 2003154228 A JP2003154228 A JP 2003154228A JP 2004351054 A JP2004351054 A JP 2004351054A
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portion
part
face
golf club
club head
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JP2003154228A
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Japanese (ja)
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Harunobu Kusumoto
晴信 楠本
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Daiwa Seiko Inc
ダイワ精工株式会社
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<P>PROBLEM TO BE SOLVED: To provide a metal hollow golf club head which can produce the yardage in hitting the same as that when the ball is hit with the golf club head at a smaller loft angle while the loft angle is seen larger actually in taking a hitting stance. <P>SOLUTION: An area δ near a face part 10 of a crown part 12 is so formed to facilitate the deflection thereof across the thickness of a wall part as compared with the rear part thereof. A bent part Z is arranged at the intersection part between the face part and the sole part 14. The wall of the sole part is led to the back side following the bent part and the bent part is made easily retractable and deformable toward the back side as compared with the sole part against the striking on the face plane. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は金属製の中空ゴルフクラブヘッドに関する。 The present invention relates to a metal hollow golf club head.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
上達途中のゴルファーにとってゴルフクラブを構えた際に、ロフト角の小さなゴルフクラブに対しては、打球が上がり難いという不安がある。 When he set up a golf club for the progress the middle of a golfer, for small golf club loft angle, there is a fear that hitting is less likely to rise. こうした不安感を打ち消すために、下記特許文献1には、アイアンゴルフクラブヘッドにおいて、一見ロフト角が大きく見えるゴルフクラブヘッドが開示されている。 To counteract this anxiety, the following Patent Document 1, in the iron golf club head, a golf club head that at first glance loft angle appear larger is disclosed.
また、ボールの飛距離を伸ばすために、打撃中にフェース面の傾斜角度が変化するゴルフクラブヘッドが下記特許文献2、特許文献3、特許文献4に開示されている。 Further, in order to extend the flying distance of the ball, the golf club head to change the inclination angle of the face in the batting Patent Document 2, Patent Document 3, is disclosed in Patent Document 4. 文献2は繊維強化樹脂製のゴルフクラブヘッドであり、クラウン部をソール部に比較して低剛性にしている。 Document 2 is a golf club head made of fiber reinforced resin, and the low rigidity as compared with the crown portion to the sole portion. 文献3は,4は金属製ゴルフクラブヘッドであり、クラウン部をソール部に比較して低剛性にしている。 Reference 3, 4 is a metal golf club head, and the low rigidity as compared with the crown portion to the sole portion.
【特許文献1】 [Patent Document 1]
実開昭61−136766号公報【特許文献2】 Japanese Unexamined Utility Model Publication No. 61-136766 [Patent Document 2]
特開平4−89071号公報【特許文献3】 JP 4-89071 [Patent Document 3]
特開平4−135576号公報【特許文献4】 JP 4-135576 [Patent Document 4]
特開平9−103522号公報【0003】 JP-A-9-103522 [0003]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
然しながら、文献1では、フェース上部(トップ部と見ることもできる)の工夫であるため、実際に打撃を行うフェース面部のロフト角は設定値通りであり、このため、不安感を大きく回避することは難しい。 However, in Document 1, since a contrivance face upper (can be regarded as the top portion), a loft angle set value as the face surface actually perform blow, Therefore, to avoid increasing the anxiety It is difficult. また、文献2〜4は、クラウン部をソール部に比較して低剛性にして、飛距離を伸ばすものである。 Moreover, literature 2-4, in the low rigidity as compared with the crown portion to the sole portion, is intended to extend the distance.
依って、本発明は、構えの際には現実にロフト角が大きく見えるが、打撃の際にはロフト角のより小さなゴルフクラブヘッドで打撃した場合と同様な飛距離を出せる金属製中空ゴルフクラブヘッドの提供を目的とする。 Depending, the present invention is, but in reality loft angle look large at the time of the poised, metal hollow golf club put out a similar distance and if you hit with a smaller golf club head of the loft angle at the time of the strike and an object thereof is to provide a head.
【0004】 [0004]
【課題を解決するための手段】 In order to solve the problems]
上記目的に鑑み本発明の請求項1では、クラウン部のフェース部近くの領域が、その後方部に比較して壁部の厚さ方向に撓み易く形成されており、フェース部とソール部との交差部には折曲部を有し、該折曲部に連続してソール部の壁がバック側に向かっており、フェース面への打撃に対して、折曲部がソール部に比較してバック側に向かって後退変形し易いことを特徴とする金属製中空ゴルフクラブヘッドを提供する。 According to claim 1 of the present invention in view of the above object, a face portion near the region of the crown portion, with its relative rearward portion are formed easily deflected in the thickness direction of the wall portion, the face portion and a sole portion the intersection has a bent portion, the wall of the sole portion continuously to the bent portion is toward the back side, with respect to the striking of the face, bent portion as compared to the sole portion providing metal hollow golf club head, wherein the easily retracted deformed toward the back side.
クラウン部のフェース部近くの領域としては、幅が5〜30mm程度が好ましい。 The face portion near the region of the crown portion, the width is preferably about 5 to 30 mm.
【0005】 [0005]
フェース面に打撃を受けた際、クラウン部ではフェース部寄りの領域が撓み、一方、フェース部とソール部との交差部にある折曲部がバック側に向かって後退変形する(量的には小さいが、例えて言えば、典型的には蛇腹式に折畳み状に変形する)。 When subjected to blow face, deflection region of the face portion toward the crown portion, whereas, bent portion at the intersection of the face portion and the sole portion retracts deformed toward the back side (the quantitative in small, speaking metaphorically, typically deformed shape folded in accordion). このため、単純化していえば、フェース部は上端部付近を枢軸として回動しつつ、下端部が折曲部の後退変形に引き込まれるようにフェース面の傾斜角(ロフト角)が小さくなる方向に変化する。 Therefore, speaking simplified, the face portion while rotating the vicinity of the upper end portion as a pivot, in the direction of inclination of the face surface (loft angle) decreases as the lower end portion is pulled in the backward deformation of the bent portion Change.
即ち、構えた際には打撃時よりもロフト角が大きく、それだけ安心感が得られ、打撃時にはより小さいロフト角のゴルフクラブヘッドとして使用でき、また、フェース面の傾斜角が小さくなるように変化する事により、安心感のために設けた平常時(打撃時以外)での大き過ぎるロフト角に対応する多すぎるバックスピン量を低減でき、飛距離を大きくできる。 In other words, a large loft angle than at the time of blow when he set up, the more peace of mind is obtained, at the time of hitting can be used as a golf club head of a smaller loft angle, also, changes as the inclination angle of the face is smaller by, it is possible to reduce the normal time too much backspin amount corresponding to the loft angle too large in (other than the time of hitting), which provided for the sense of security, can be increased flight distance.
【0006】 [0006]
請求項2では、前記折曲部は、後方側に向かう第1壁部と、これに連続し、クラウン部から遠ざかる方向の第2壁部とを1組又はこれを複数組連結させてなり、ソール部は折曲部端部の第2壁部に連続している請求項1記載の金属製中空ゴルフクラブヘッドを提供する。 According to claim 2, wherein the bent portion includes a first wall portion toward the rear side, which in succession, will be set or this and a second wall portion in a direction away from the crown portion is a plurality of sets connected, sole unit provides a metal hollow golf club head of claim 1 wherein the continuous to the second wall portion of the bent portion end.
ソール部は折曲部端部の第2壁部に連続してバック側に向かっているため、折曲部の中の第2壁部の存在により、ソール部壁がフェース部に対して下方に位置している。 Since the sole portion which is towards the back side in succession to the second wall portion of the bent portion end, due to the presence of the second wall portion in the bent portion, the lower sole portion wall against the face portion positioned. 従って、その分ヘッドの重心が下がり、スィートスポットが低くなる。 Therefore, the center of gravity of the minute head is lowered, the sweet spot is lowered. また、折曲部がフェース部に隣接している(フェース部寄りである)ため、主として第2壁部の重量分、ヘッド重心がフェース部寄りに移動し、その影響でもスィートスポットが低くなる。 Further, bent portion (a face portion closer) that is adjacent and in face portion for mainly weight fraction of the second wall portion, the center of gravity of the head is moved to the face portion closer, the sweet spot is lowered in the effect. このように、打撃時にフェース面の傾斜角が小さくなるように変化する事の他、構造上スィートスポット位置が下がることによっても、バックスピン量を低減でき、飛距離を大きくできる。 Thus, other possible changes as the inclination angle of the face surface when hit becomes small, even by the decrease is structurally sweet spot position, it is possible to reduce the amount of back spin, can be increased flight distance.
【0007】 [0007]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、本発明を添付図面に示す実施形態例に基づき、更に詳細に説明する。 Hereinafter, based on the exemplary embodiment according to the present invention in the accompanying drawings, it will be described in further detail.
図1は、本発明に係る金属製中空ゴルフクラブヘッドの正面図、図2は図1の矢視線Bによる端面図、図3は図1の矢視線C−Cによる横断面図、図4は図3の折曲部付近の拡大図、図5は図1の矢視線Eによる端面図、図6は上面図、図7は下面図である。 Figure 1 is a front view of a metal hollow golf club head according to the present invention, FIG. 2 is an end view according to arrow line B in FIG. 1, FIG. 3 is a cross-sectional view according to arrow line C-C of FIG. 1, FIG. 4 enlarged view of the vicinity of the bent portion of FIG. 3, FIG. 5 is an end view according to arrow line E in FIG. 1, FIG. 6 is a top view, FIG. 7 is a bottom view. この中空ゴルフクラブヘッドは、1例としてヘッド全体がチタン合金製である。 The hollow golf club head, the entire head as an example is made of titanium alloy. フェース面を有するヘッド正面側のフェース部10と、上面部であるクラウン部12と、下面部であるソール部14と、先端部であるトウ部16と、手前部であるヒール部18と、正面から見てフェース部よりも後方部であるバック部20と、フェース部とソール部とを連結している本発明の特徴部の折曲部Zと、クラウン部にあるホーゼル部Hとを有して形成されている。 A face portion 10 of the head front side having a face surface, a crown portion 12 is a top portion, a sole portion 14 is a bottom portion, a toe portion 16 is the tip portion, a heel portion 18 is a front portion, a front viewed from a a back portion 20 is a rear part than the face portion, and the bent portion Z of the features of the present invention which connects the face portion and a sole portion, and a hosel portion H in the crown portion It is formed Te. 更には、この例では、クラウン部の内側に前後方向に延伸したリブRが形成されている。 Furthermore, in this example, the ribs R which extends in the longitudinal direction on the inner side of the crown portion are formed.
【0008】 [0008]
フェース部10の下端部(ソール側端部)には、後方側に向かう第1壁部Z1と、これに連続し、クラウン部12から遠ざかる方向(下方向)の第2壁部Z2とを有し、ソール部14の壁は第2壁部の下端部に連続してバック部側に向かっている。 At the lower end of the face portion 10 (the sole-side end portion), chromatic and first wall portion Z1 toward the rear side, which in succession, and a second wall portion Z2 direction (downward) away from the crown portion 12 and, the wall of the sole portion 14 toward the back side continuous to the lower end portion of the second wall portion. 一方、フェース部10とクラウン部12との境界部ラインをL1で示す。 On the other hand, it shows a boundary line between the face portion 10 and the crown portion 12 at L1.
【0009】 [0009]
ヘッド本体部はα−β型チタン合金「Ti−6Al−4V」の鋳造品であり、フェース部10はβ型チタン合金「Ti−15Mo−5Zr−3Al」の圧延材である。 Head body portion is a casting of alpha-beta titanium alloy "Ti-6Al-4V", the face portion 10 is rolled in the beta-type titanium alloy "Ti-15Mo-5Zr-3Al." また、下記折曲部はヘッド本体と同一材で一体であっても、フェース部と同一材で一体であっても、或いは別体であってもよい。 Even following bending portion integral with the same material and the head body may be be an integral, or separate members of the same material and the face portion. 特に、フェース部と一体であって、Ti−4.5Al−3V−2Mo−2FeやTi−15V−3Cr−3Sn−3Al等の高強度チタン合金を鍛造等の塑性加工で成形したものは、高強度で肉薄にでき、しかも溶接部が無いために、折曲部の変形量を増大させ易い効果がある。 In particular, it is integral with the face portion, Ti-4.5Al-3V-2Mo-2Fe a and Ti-15V-3Cr-3Sn-3Al high strength titanium alloy such as those molded by plastic working such as forging a high strength can be thinner, yet because there are no welds, there is likely effect increases the amount of deformation of the bent portion.
【0010】 [0010]
これら部品を接合する際には溶接で行い、TIG溶接、プラズマ溶接、レーザー溶接から選択できる。 The time of joining the components carried by welding, TIG welding, plasma welding, may be selected from laser welding. 更に、ヘッド本体が複数部品の溶接接合製でもよい。 Moreover, the head body may be made of welded multi component. 特に、折曲部とフェース部とを溶接する場合は、フェース部下端と上記第1壁部Z1との角部にビードが蓄積して折曲部の後退変形性(折畳み性)を低下させてはならないため、溶接ビード量を制御し易いレーザー溶接が好ましい。 In particular, when welding the bent portion and the face portion, to lower the retraction deformation of the bent portion (folding resistance) with beads are accumulated in the corner portions of the face portion bottom and the first wall portion Z1 because not easily laser welding is preferred to control the weld bead volume.
【0011】 [0011]
第1壁部Z1とフェース部10との内面の成す角度θ1と、第1壁部Z1と第2壁部Z2との外面の成す角度θ2とは、共に小さな角度(少なくとも鋭角)であることが、打撃に対して折畳み性を向上させるのに好ましく、少なくとも一方の角度が鋭角であることが好ましい。 The angle θ1 formed by the inner surface of the first wall portion Z1 and the face portion 10, a first wall portion Z1 is the angle θ2 formed by the outer surface of the second wall portion Z2, that both of them are small angle (at least an acute angle) , preferably to improve the folding with respect to the striking, it is preferable that at least one of the angle is an acute angle. 第1壁部と第2壁部とが複数組接続された折曲部の場合も同様である。 For bent portion where the first wall and the second wall portion has a plurality of sets connected it is the same. また、本願では、ラインL1で示すクラウン部12とフェース部10との境界部は、打撃時にフェース部10がこの境界部付近を枢軸(又は支点)として回動する如く変形させるため、クラウン部の全体的な座屈変形を防止すべく前後方向に延伸するリブRを内面に設けている。 Further, in the present application, the boundary portion between the crown portion 12 and the face portion 10 shown by the line L1, in order to as deformed face portion 10 at the time of hitting is rotated around the boundary as the pivot (or fulcrum), the crown portion the rib R of the overall buckling extending in the longitudinal direction to prevent are provided on the inner surface.
【0012】 [0012]
リブRの前端位置は、上記ラインL1の境界部の内側角部と離隔させている。 The front end position of the ribs R are not spaced apart from the inner corner portion of the boundary of the line L1. このリブの無い領域の広がり面は、その後方部クラウン部と大きく折れ曲るようなことなく連続しており、このδ領域だけを撓み易くしている。 The spreading surface without areas of the rib is continuous without the a large bending flex as the rear portion crown portion, and easily deflected only this δ region. この離隔距離δは5〜30mmが好ましい。 This distance δ is 5~30mm is preferred. 境界部の形状が丸まっていてラインLが不明な場合でも、クラウン部とフェース部の材料が異なればその境界がラインLであり、また、材料が同じ場合は、クラウン部とフェース部の各面を滑らかに延長させて交差したラインとする。 Even if it has rounded shape of the boundary portion line L is not known, the boundary is a line L Different materials of the crown portion and the face portion, and when the material is the same, each side of the crown portion and the face portion smoothly to extend the and crossed lines. 5mm以上とするのは、5mm未満ではこのδ領域が短くなり過ぎて打球時の応力が集中し、耐久性に問題が発生するからである。 To a 5mm or more, it is less than 5mm concentrated stress at the time of hitting is too short this δ region, because a problem occurs in durability. また、30mm以下としたのは、30mmを超えるとクラウン部が座屈的な変形になり、蝶番的な変形(δ部の撓み変形)が得られ難いからである。 Also, to that a 30mm or less, the crown portion is the seat 屈的 deformation exceeds 30mm, hinge deformation ([delta] of the bending deformation) is because it is difficult to obtain. 更には、フェース部10はクラウン部等よりも板厚を厚くしており、前記δの領域と折曲部Zの変形と比較して言えば、殆ど変形しない。 Furthermore, the face portion 10 has a thicker plate thickness than the crown portion and the like, speaking as compared to the deformation of the region and the bent portion Z of the [delta], hardly deformed.
【0013】 [0013]
主要部の板厚等の数値の1例を示す。 It shows an example of numerical values ​​of the thickness and the like of the main portion. クラウン部の板厚Ctは0.85mm、フェース部板厚Ftは2.4〜2.7mm、ソール部板厚Stは1.1〜1.4mm、第1壁部板厚Z1tは1.2〜1.8mm、第2壁部板厚Z2tは1.2〜1.8mmである。 Crown portion of the plate thickness Ct is 0.85 mm, the face portion thickness Ft is 2.4~2.7Mm, sole portion thickness St can 1.1~1.4Mm, the first wall portion thickness Z1t 1.2 ~1.8Mm, the second wall portion thickness Z2t is 1.2 to 1.8 mm. また、第1壁部の幅Δ1は6〜9mm、第2壁部の幅Δ2は5〜8mmである。 The width Δ1 of the first wall portion 6~9Mm width Δ2 of the second wall portion is 5 to 8 mm. 更には、角度θ1と角度θ2は30〜120度であり、好ましくは60〜90度であり、ここでは、より変形し易い70〜88度の例としている。 Furthermore, the angle θ1 and the angle θ2 is 30 to 120 degrees, preferably 60 to 90 degrees, here, as an example of a more easily deformable 70-88 degrees. 好ましくは、角度θ3もこれら角度と同様である。 Preferably, the angle θ3 is also the same as those angles.
【0014】 [0014]
また、リブRは高さが0.6〜0.8mm程度、幅が1.5〜2.0mm程度のものを3本等の数本設けるとよい。 Further, the ribs R height of about 0.6 to 0.8 mm, or the width is provided several of three such things about 1.5 to 2.0 mm. 更には、リブを設ける以外で、クラウン部の剛性を高めるには、単純に肉厚を厚くしてもよいが、リブを設ける方が軽量化し易い。 Furthermore, in addition to the ribs, to increase the rigidity of the crown portion, simply the thickness may be thick, but tends to weight reduction is better to provide the ribs. また、炭素繊維を強化繊維とした繊維強化樹脂材を貼り付ける方法もある。 There is also a method of pasting a fiber-reinforced resin material in which the reinforcing fibers of carbon fibers. この場合も基本部が金属故、本願の金属製ゴルフクラブヘッドであり、重量増加が小さく、重心を意図する位置に設計し易い効果がある。 In this case also is because the metal base section are present in the metal golf club head, small weight gain, there is a likely effect designed position intended for the center of gravity. 更には、第2壁部Z2の下端は、フェース部の下端位置よりも後方に位置しているため、打球に際してクラブを構えた際に折曲部が上方から見えず、ゴルファーにとって邪魔にならない。 Furthermore, the lower end of the second wall portion Z2 is because it is located behind the lower end position of the face portion, the bent portion can not be seen from above when the holding a club when hitting, unobtrusive golfer.
【0015】 [0015]
以上の構造のため、フェース部10は、例えれば、その上端部L1付近が蝶番的に回動し、下部がバック部側に後退するように傾斜角を変化させる。 For the above structure, the face portion 10, An analogy, near its upper end L1 hinged to rotate, changing the inclination angle so that the lower is retracted back side. この変形後の状態を図3に2点鎖線10'で模式的に示す。 Schematically shows the state after the deformation in two-dot chain line 10 'in FIG. フェース部が、上端部付近において蝶番的により回動し易くなるには、クラウン部との境界部ラインL1を直線的にすることである。 Face portion, the easily rotated by a hinge manner in the vicinity of the upper end, is to linearly the boundary line L1 of the crown portion. 即ち、図1の正面図と図6の上面図において、ラインL1が直線に近い程フェース部10は回動し易くなる。 That is, in a front view and a top view of FIG. 6 in FIG. 1, the face portion 10 line L1 closer to the straight line tends to rotate.
【0016】 [0016]
また、図3を参照して説明するが、従来の中空ゴルフクラブヘッドでは、第1壁部Z1の位置で、バック側に延伸した状態の壁部がソール部であるが、その場合の重心位置に比べ、本発明ではソール部14は、フェース部10の下端よりも下方に延伸している第2壁部Z2の存在を主因として、重心位置が下がる。 As will be described with reference to FIG. 3, the conventional hollow golf club head, at the position of the first wall portion Z1, wall portion in a state stretched in the back side is a sole portion, the center of gravity of the case compared with, the sole portion 14 in the present invention, primarily due to presence of the second wall portion Z2 which extends lower than the lower end of the face portion 10, the center of gravity position is lowered. 従って、スィートスポットが下がる。 Therefore, the sweet spot is lowered. 更には、折曲部Zはフェース部に隣接しており、主として第2壁部Z2の重量分、重心が前方(フェース部寄り)に移動する。 Furthermore, the bent portion Z is adjacent to the face portion, mainly weight fraction of the second wall portion Z2, the center of gravity moves forward (face portion closer). その影響でもスィートスポットが下がる。 The sweet spot is lowered in its influence. こうしたスィートスポットの下がることにより、また、既述の如くロフト角が小さくなることにより、打撃時のバックスピン量が減少する。 By fall of this sweet spot, also, by the loft angle as described above is small, back spin amount at the time of hitting is reduced. 即ち、安心感を得るために余分に大きく傾斜させていたフェース面傾斜角に起因する多過ぎるバックスピン量が低減するように調節することになり、飛距離が出る。 In other words, will be backspin rate too high due to the face inclination angle was allowed to extra large slope in order to obtain a sense of security is adjusted to reduce the flight distance is out.
【0017】 [0017]
図8は、本発明に係る他形態の中空ゴルフクラブヘッドの横断面図である。 Figure 8 is a cross-sectional view of a hollow golf club head according to another embodiment according to the present invention. 先の例と異なるのは、ソール部14がフェース部10の下端位置に位置しており、折曲部Zが存在してもヘッドの重心は実質的に下がらない。 Previous example is different from, and sole portion 14 is located at the lower end position of the face portion 10, the center of gravity of the head even in the presence of the bent portion Z does not decrease substantially. しかし、折曲部がフェース部近くのため、重心が前方に移動することは同じであり、その分、スィートスポットが下がる。 However, since the bent portion is near the face portion, is it the same center of gravity moves forward, the minute, the sweet spot is lowered. なお、折曲部の各壁部の成す角度は小さいほど後退変形し易く、好ましい。 The angle is easily retracted smaller deformation formed by the respective walls of the bent portion, preferably. その他の事項は、先の例と同様である。 Other matters are the same as the previous example.
【0018】 [0018]
【発明の効果】 【Effect of the invention】
以上の説明から明らかなように本発明によれば、構えの際には現実にロフト角が大きく見えるが、打撃の際にはロフト角のより小さなゴルフクラブヘッドで打撃した場合と同様な飛距離を出せる金属製中空ゴルフクラブヘッドが提供可能となる。 According to the present invention As is clear from the above description, the loft angle appear larger in reality during the stance, if during the blow struck with a smaller golf club head loft angle similar distance metal hollow golf club head that put out can be provided.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】図1は本発明に係る中空ゴルフクラブヘッドの正面図である。 FIG. 1 is a front view of a hollow golf club head according to the present invention.
【図2】図2は図1の矢視線Bによる端面図である。 Figure 2 is an end view according to arrow line B in FIG.
【図3】図3は図1の矢視線C−Cによる横断面図である。 Figure 3 is a transverse sectional view taken along the arrow line C-C of FIG.
【図4】図4は図3の折曲部付近の拡大図である。 Figure 4 is an enlarged view of the bent portion of Fig.
【図5】図5は図1の矢視線Eによる端面図である。 Figure 5 is an end view according to arrow line E in FIG.
【図6】図6は図1の上面図である。 Figure 6 is a top view of FIG.
【図7】図7は図1の下面図である。 FIG. 7 is a bottom view of FIG. 1.
【図8】図8は本発明に係る他の形態の中空ゴルフクラブヘッドの横断面図である。 Figure 8 is a cross-sectional view of a hollow golf club head in another embodiment according to the present invention.
【符号の説明】 DESCRIPTION OF SYMBOLS
10 フェース部12 クラウン部14 ソール部Z 折曲部Z1 第1壁部Z2 第2壁部 10 face portion 12 crown portion 14 a sole portion Z folded portion Z1 first wall portion Z2 second wall portion

Claims (2)

  1. クラウン部のフェース部近くの領域が、その後方部に比較して壁部の厚さ方向に撓み易く形成されており、フェース部とソール部との交差部には折曲部を有し、該折曲部に連続してソール部の壁がバック側に向かっており、フェース面への打撃に対して、折曲部がソール部に比較してバック側に向かって後退変形し易いことを特徴とする金属製中空ゴルフクラブヘッド。 Face portion near the region of the crown portion, the relative rearward portion are formed easily deflected in the thickness direction of the wall portion, the intersection of the face portion and the sole portion includes a bent portion, said continuously to the bent portion and the wall of the sole portion toward the back side, characterized with respect to blow to the face, bent portion that easily retracted deformed toward the back side as compared to the sole portion metal hollow golf club head to.
  2. 前記折曲部は、後方側に向かう第1壁部と、これに連続し、クラウン部から遠ざかる方向の第2壁部とを1組又はこれを複数組連結させてなり、ソール部は折曲部端部の第2壁部に連続している請求項1記載の金属製中空ゴルフクラブヘッド。 The bent portion includes a first wall portion toward the rear side, which in succession, will be set or this and a second wall portion in a direction away from the crown portion is a plurality of sets connected, sole portion bent claim 1 metal hollow golf club head according contiguous to the second wall portion of the part ends.
JP2003154228A 2003-05-30 2003-05-30 Metal hollow golf club head Pending JP2004351054A (en)

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US20120142452A1 (en) * 2010-06-01 2012-06-07 Michael Scott Burnett Golf club head having a stress reducing feature with aperture
US8403771B1 (en) * 2011-12-21 2013-03-26 Callaway Gold Company Golf club head
US20130165252A1 (en) * 2011-12-21 2013-06-27 Callaway Golf Company Golf Club Head
US20130165254A1 (en) * 2011-12-21 2013-06-27 Callaway Golf Company Golf club head
US8529369B2 (en) * 2006-12-22 2013-09-10 Sri Sports Limited Golf club head
US20150038261A1 (en) * 2011-01-27 2015-02-05 Nike, Inc. Golf Club Head Or Other Ball Striking Device Having Impact-Influencing Body Features
US9011267B2 (en) 2010-06-01 2015-04-21 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature and shaft connection system socket
US20150119163A1 (en) * 2006-10-25 2015-04-30 Acushnet Company Golf club head with depression
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US9168428B2 (en) 2010-06-01 2015-10-27 Taylor Made Golf Company, Inc. Hollow golf club head having sole stress reducing feature
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US9320949B2 (en) 2006-10-25 2016-04-26 Acushnet Company Golf club head with flexure
US9358430B2 (en) 2010-12-31 2016-06-07 Taylor Made Golf Company, Inc. High loft, low center-of-gravity golf club heads
US9375624B2 (en) 2011-04-28 2016-06-28 Nike, Inc. Golf clubs and golf club heads
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US9403069B2 (en) 2012-05-31 2016-08-02 Nike, Inc. Golf club head or other ball striking device having impact-influencing body features
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US9662551B2 (en) * 2010-11-30 2017-05-30 Nike, Inc. Golf club head or other ball striking device having impact-influencing body features
US9662545B2 (en) 2002-11-08 2017-05-30 Taylor Made Golf Company, Inc. Golf club with coefficient of restitution feature
US9675850B2 (en) 2012-09-14 2017-06-13 Acushnet Company Golf club head with flexure
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US9682294B2 (en) 2008-07-15 2017-06-20 Taylor Made Golf Company, Inc. Aerodynamic golf club head
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US9839820B2 (en) 2012-09-14 2017-12-12 Acushnet Company Golf club head with flexure
US9861864B2 (en) 2013-11-27 2018-01-09 Taylor Made Golf Company, Inc. Golf club
US9908012B2 (en) 2010-11-30 2018-03-06 Nike, Inc. Golf club heads or other ball striking devices having distributed impact response
US9950219B2 (en) 2009-01-20 2018-04-24 Karsten Manufacturing Corporation Golf club and golf club head structures
US9950221B2 (en) 2008-07-15 2018-04-24 Taylor Made Golf Company, Inc. Aerodynamic golf club head
US9999812B2 (en) 2009-07-24 2018-06-19 Nike, Inc. Golf club head or other ball striking device having impact-influencing body features
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US9636559B2 (en) 2006-10-25 2017-05-02 Acushnet Company Golf club head with depression
US20170203167A1 (en) * 2006-10-25 2017-07-20 Acushnet Company Golf club head with depression
US9320949B2 (en) 2006-10-25 2016-04-26 Acushnet Company Golf club head with flexure
US20150119163A1 (en) * 2006-10-25 2015-04-30 Acushnet Company Golf club head with depression
US10010769B2 (en) 2006-12-22 2018-07-03 Sri Sports Limited Golf club head
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US8517862B2 (en) * 2009-08-25 2013-08-27 Nike, Inc. Golf clubs and golf club heads having a configured shape
US20110053702A1 (en) * 2009-08-25 2011-03-03 Nike, Inc Golf Clubs and Golf Club Heads Having A Configured Shape
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US8821312B2 (en) * 2010-06-01 2014-09-02 Taylor Made Golf Company, Inc. Golf club head having a stress reducing feature with aperture
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US20150231455A1 (en) * 2010-06-01 2015-08-20 Taylor Made Golf Company, Inc. Iron-type golf club head having a sole stress reducing feature
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US9089749B2 (en) 2010-06-01 2015-07-28 Taylor Made Golf Company, Inc. Golf club head having a shielded stress reducing feature
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US9707457B2 (en) 2010-12-28 2017-07-18 Taylor Made Golf Company, Inc. Golf club
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US9358430B2 (en) 2010-12-31 2016-06-07 Taylor Made Golf Company, Inc. High loft, low center-of-gravity golf club heads
US10004953B2 (en) * 2011-01-27 2018-06-26 Nike, Inc. Golf club head or other ball striking device having impact-influencing body features
US20150038261A1 (en) * 2011-01-27 2015-02-05 Nike, Inc. Golf Club Head Or Other Ball Striking Device Having Impact-Influencing Body Features
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