JP2004223223A - Iron head having semi-spherical projection at the bottom - Google Patents

Iron head having semi-spherical projection at the bottom Download PDF

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Publication number
JP2004223223A
JP2004223223A JP2003054937A JP2003054937A JP2004223223A JP 2004223223 A JP2004223223 A JP 2004223223A JP 2003054937 A JP2003054937 A JP 2003054937A JP 2003054937 A JP2003054937 A JP 2003054937A JP 2004223223 A JP2004223223 A JP 2004223223A
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Japan
Prior art keywords
iron head
head
semi
present
turf
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Pending
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JP2003054937A
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Japanese (ja)
Inventor
Seiichi Ikejima
征一 池島
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Individual
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Individual
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Priority to JP2003054937A priority Critical patent/JP2004223223A/en
Publication of JP2004223223A publication Critical patent/JP2004223223A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an iron head, improved in swing-out performance more than the conventional iron head by eliminating three major shot mistakes, duffing, topping and catch of the conventional iron head. <P>SOLUTION: This iron head is provided with a semi-spherical projection 2 or a semi-circular projection 8 formed at the bottom 1 of the iron head 4. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

この発明は ゴルフクラブのアイアンヘッドに関するものである。
その発明とは 従来のアイアンヘッドの底部(1)に半球形状の突起(2) もしくは 半円形状の突起(8)(以下略す)を設けたものである。
従来のアイアンヘッドの底部に半球形状の突起(2)を具備したものは存在しないのである。その為 従来のアイアンヘッドは 振り抜きを良くするために 底部の面取り等で対応しているのである。しかし アイアンヘッドの打面下部(3)の形状により ダブレば 芝にアイアンヘッドが突き刺さりヘッドが振り抜けず チョロボールになる。又 必要以上にターフを削り取るため ボールが飛ばないのである。更に ヘッドの返りが遅いと打面下部(3)あるいは底部(1)に直接ボールが当たり トップボールとなるのである。加えて ラフにおいては打面下部(3)の形状により 雑草が絡み易く 振り抜きが悪くなり 又 ボールと打面の間に雑草が噛み込み フライヤーになったり 全然ボールが飛ばなかったりするのである。
又 僅かなタイミングの狂いで ヘッドが返りすぎたり ヒール側のみが芝に喰い込み トウ側が返る事で 引っ掛けが発生するのである。
本発明は これらの従来のアイアンヘッドのアイアンショットにおける三大ミスショットの 1 ダブリ 2 トップ 3 引っ掛け を解消する為に発明したものである。本発明は これらの欠点を解消するのは勿論の事 更にその上に その形状の良さからも判るように 芝芽の抵抗も無く 番手を超えた振り抜きの良さを実現し ヘッドスピードあるいはスイングスピードを上昇させる事により更にボールの飛距離が伸びるのである。
本発明の効果
1 ダブリに関し 本発明の形状から 底部(1)に設けた半球形状の突起(2)が芝に喰い込む事を防ぎ ダブリを解消するのである。
2 トップに関し 本発明の形状から 底部(1)に設けた半球形状の突起(2)が 打面下部(3)や底部(1)よりもヘッドの着地時に先に芝に接触しヘッドの返りをうながし トップを解消するのである。
3 引っ掛けに関し ヘッドの返り過ぎを 半球形状の突起(2)が芝と接触する事により これを阻止し 又 ヒール側のみが芝に喰い込み トウ側が返る引っ掛けも 半球形状の突起(2)が先に芝と接触する事によりこれを防止し 合わせて 引っ掛けを解消するのである。
ちなみに ボールとクラブのインパクト時のタイムは一万分の五秒である。
以上の結果から 本発明のアイアンヘッド(4)は 従来のアイアンヘッドのゴルフショットの三大ミスショットを解消し 更には その形状の特徴から 従来のアイアンヘッドにない 振り抜きの良さを実現したものである。又 ラフにおいても その形状の特性を生かし 余分な芝を噛む事がなく スムーズに振り抜く事が出来るのである。
これらの事は 総て 実際のコースで使用し 実証出来得た事を記述したものである。又 半球形状の突起(2)を複数にする事もできる。
直 本考案の実施態様として ウッドクラブヘッド及びパターヘッドも考えられるのである。
【図面の簡単な説明】
【図1】本発明の正面図
【図2】本発明の底面図
【図3】本発明のA−A線断面図 及び 模式図
【図4】本発明の正面図
【図5】本発明の底面図
【図6】本発明のB−B線断面図
【符号の説明】
1は底部 2は半球形状の突起 3は打面下部
4はアイアンヘッド 5はスコアーライン 6はボール
7は芝 8は半円形状の突起
The present invention relates to an iron head of a golf club.
The invention is such that a hemispherical protrusion (2) or a semicircular protrusion (8) (hereinafter abbreviated) is provided on the bottom (1) of a conventional iron head.
There is no conventional iron head having a hemispherical protrusion (2) at the bottom. For this reason, conventional iron heads support chamfering at the bottom to improve swinging. However, due to the shape of the lower part of the hitting surface (3) of the iron head, the iron head will pierce the grass if it is doubled, and the head will not swing through and become a choro ball. Also, the ball does not fly because it removes the turf more than necessary. Furthermore, if the return of the head is slow, the ball directly hits the lower part (3) or the bottom part (1) of the hitting surface and becomes the top ball. In addition, in the rough, the shape of the lower part of the hitting surface (3) makes it easy for the weeds to get entangled, and the swinging of the ball worsens.
Also, a slight timing error causes the head to return too much, or only the heel side bites into the turf and the toe side returns.
The present invention was invented in order to eliminate 1 double 2 top 3 hook of three major miss shots in the iron shot of these conventional iron heads. The present invention not only solves these drawbacks, but also has good turf resistance without any turf bud resistance, as can be seen from its good shape. The flying distance of the ball is further increased by raising it.
Effect 1 of the present invention Regarding the double The shape of the present invention prevents the hemispherical protrusion (2) provided on the bottom (1) from biting into the turf and eliminates the double.
2 With regard to the top From the shape of the present invention The hemispherical projection (2) provided on the bottom (1) comes into contact with the turf earlier than the bottom of the striking surface (3) or the bottom (1) and the head returns. Unagashi eliminates the top.
3 Hooking The head is prevented from overturning by the hemispherical protrusion (2) coming into contact with the turf, and only the heel side bites into the turf. This can be prevented by touching the turf, and the hook is eliminated.
By the way, the impact time of the ball and the club is 5 / 10,000 seconds.
From the above results, the iron head (4) of the present invention eliminates the three major miss shots of the golf shot of the conventional iron head, and further realizes the swing-out goodness not found in the conventional iron head due to its shape characteristics. Also in the rough, you can swing it out smoothly without biting extra turf by taking advantage of its shape characteristics.
These are all descriptions of what could be demonstrated and used in actual courses. Also, a plurality of hemispherical protrusions (2) can be provided.
A wood club head and a putter head are also conceivable as embodiments of the present invention.
[Brief description of the drawings]
FIG. 1 is a front view of the present invention. FIG. 2 is a bottom view of the present invention. FIG. 3 is a cross-sectional view and schematic view of the present invention. Bottom view [FIG. 6] BB sectional view of the present invention [Explanation of symbols]
1 is a bottom part 2 is a hemispherical protrusion 3 is a hitting lower part 4 is an iron head 5 is a score line 6 is a ball 7 is a grass 8 is a semicircular protrusion

Claims (1)

アイアンヘッド(4)の底部(1)に半球形状の突起(2) もしくは 半円形状の突起(8)を具備したアイアンヘッドIron head comprising a hemispherical protrusion (2) or a semicircular protrusion (8) on the bottom (1) of the iron head (4)
JP2003054937A 2003-01-23 2003-01-23 Iron head having semi-spherical projection at the bottom Pending JP2004223223A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003054937A JP2004223223A (en) 2003-01-23 2003-01-23 Iron head having semi-spherical projection at the bottom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003054937A JP2004223223A (en) 2003-01-23 2003-01-23 Iron head having semi-spherical projection at the bottom

Publications (1)

Publication Number Publication Date
JP2004223223A true JP2004223223A (en) 2004-08-12

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ID=32905855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003054937A Pending JP2004223223A (en) 2003-01-23 2003-01-23 Iron head having semi-spherical projection at the bottom

Country Status (1)

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JP (1) JP2004223223A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013059614A (en) * 2011-08-24 2013-04-04 Dunlop Sports Co Ltd Iron golf club set and golf club head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013059614A (en) * 2011-08-24 2013-04-04 Dunlop Sports Co Ltd Iron golf club set and golf club head

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