JP3376586B2 - Golf club - Google Patents
Golf clubInfo
- Publication number
- JP3376586B2 JP3376586B2 JP08088791A JP8088791A JP3376586B2 JP 3376586 B2 JP3376586 B2 JP 3376586B2 JP 08088791 A JP08088791 A JP 08088791A JP 8088791 A JP8088791 A JP 8088791A JP 3376586 B2 JP3376586 B2 JP 3376586B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- wedge
- length
- shaped member
- conical surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Golf Clubs (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、シャフトの長さを
可変ならしめる長さ調節機構を備えた、ゴルフクラブに
関する。
【０００２】
【従来の技術】シャフトの長さを、プレー中の状況や、
使用者の身長等に応じて、任意に変えられる様にする為
の、長さ調節機構を備えたゴルフクラブは、従来から、
様々のものが考えられて来た。
【０００３】然しながら、折角の長さ調節機構も、構造
に僅かでも組付ガタがあったり、その取付状態が適切で
ないと、打球の方向や飛距離に微妙な悪影響を及ぼすの
で、「角をためて牛を殺す」羽目に陥り勝ちである。
【０００４】
【発明が解決しようとする課題】そこで、本発明の目的
は、シャフトの長さ調節機構の、構造、取付個所、取付
方等を改善することによって、打球の方向や飛距離に微
妙な悪影響を及ぼすことの無い様に構成した長さ調節機
構付きの、ゴルフクラブを提供するにある。
【０００５】
【課題を解決するための手段】上記の目的を達成する為
の、本発明によるゴルフクラブは、シャフトの長さを可
変ならしめる為の、全体として所定長さの略筒状体を成
す長さ調節機構Ａが、グリップ１の内空部に固着状態で
挿嵌されて、その下端部をグリップ１の下方に突出させ
たパイプ２の突出端に、その上部を固着させた本体部１
１と、本体部１１の下端に螺着した締付環１２と、長さ
調節機構Ａ及びパイプ２内にその上端側を遊嵌させたシ
ャフト４に、遊嵌状態で外嵌されて、その外周面が、そ
の軸方向に山形円錐面に形成された楔状部材１３とを備
えており、締付環１２を螺じ込むと、楔状部材１３の山
形円錐面が、本体部１１及び締付環１２の夫々の内周面
に形成した、各円錐面ａ及びｂに圧接されると共に、楔
状部材１３の内周面全面がシャフト４の外周面に圧接さ
れる様に構成されたものに於いて、前記楔状部材１３に
は、その上端側から上側切れ目１３ｂを、下端側から下
側切れ目１３ｃを、その周方向に互い違いの配置で夫々
複数条設けたことを特徴とする。
【０００６】
【実施例】以下に、本発明によるゴルフクラブの一実施
例に就いて、図面を参照しながら説明する。図１、図２
に示した様に、この実施例のゴルフクラブ１００のグリ
ップ１には、その内空部に、所定長さのパイプ２を固着
状態で嵌め込み、その下端側はグリップ１の下方に突出
させている。
【０００７】パイプ２のこの突出端には、ゴルフクラブ
１００の全長を可変ならしめる為の、所定長さを有して
略筒体状の、長さ調節機構Ａを連結させている。そし
て、ヘッド３を下端に取付けたシャフト４の上端側を、
この長さ調節機構Ａ及びパイプ２の内空部に、摺動自在
に挿嵌させている。シャフト４の上部外周面には、ゴル
フクラブ１００を、その基準長さから、どれだけ伸縮さ
せたかを知る為の、寸法目盛５を設けている。
【０００８】次に、長さ調節機構Ａの具体的な構造を、
その分解斜視図としての図３も参照しながら順次説明す
る。アセタールコポリマー等の強靱な合成樹脂で作られ
た長さ調節機構Ａは、パイプ２の下端部に連結させる本
体部１１と、本体部１１の下端に螺合させた締付環１２
と、シャフト４に遊嵌させた状態で、その外周面を本体
部１１及び締付環２の各内周面に圧接させ得る形状を備
えた楔状部材１３とで構成されている。
【０００９】先ず、本体部１１は、その上側部分を、パ
イプ２に固着状態で外嵌させる連結部１１ａとしてい
る。本体部１１の下半側の内周面は、下向きに拡開する
第１の円錐面ａとしている。又、本体部１１の外周面下
部には、雄ねじ１１ｂを設けている。更に、雄ねじ１１
ｂの直上個所の外周面には、環状溝１１ｃを設けてい
る。
【００１０】次に、締付環１２には、内周面の上半部
に、本体部１１の雄ねじ１１ｂに螺合させる雌ねじ１２
ａを設けている。又、内周面の下半部には、下向きに縮
径する第２の円錐面ｂを設けている。更に、雌ねじ１２
ａと円錐面ｂとの間にも、環状溝１２ｂを設けている。
【００１１】次に、ほぼ筒形をした楔状部材１３は、そ
の外周面を、その軸方向の両端側から真ん中側に向け
て、夫々次第に拡径されて行く山形円錐面に形成してい
る。図３に示した様に、この山形円錐面は、本体部１１
の第１の円錐面ａに圧接させる上側円錐面ｃと、締付環
１２の第２の円錐面ｂに圧接させる下側円錐面ｄとの組
合わせから成る。そして、上下両側の円錐面ｃ、ｄ間に
も、環状溝１３ａを設けている。
【００１２】更に、楔状部材１３には、その上端側から
上側切れ目１３ｂを、その下端側から下側切れ目１３ｃ
を、その周方向に互い違いの配置で、夫々複数条設けて
いる。 各切れ目１３ｂ，１３ｃは、楔状部材１３の他
端近くに迄延びている。
【００１３】次に、上記構成の作用を説明する。ゴルフ
クラブ１００の使用状態では、図２に示した様に、長さ
調節機構Ａの締付環１２が、本体部１１にしっかり螺じ
込まれている。この状態で、楔状部材１３は、上側円錐
面ｃの全面が、本体部１１の円錐面ａに圧接されている
（図３参照）。又、下側円錐面ｄの全面が、締付環１２
の円錐面ｂに圧接されている（図３参照）。
【００１４】上下両側の切れ目１３ｂ，１３ｃ、及び環
状溝１３ａを設けた楔状部材１３が、この様にして本体
部１１と締付環１２の内周面の全面に圧接されると、こ
の圧接力が、剛性と適度の可撓性を併せ備えた楔状部材
１３を締付けて、この部材を縮径させる。
【００１５】その結果、所定の長さを有する楔状部材１
３の内周面も、その全面がシャフト４の外周面に強固に
圧接された状態になる。そして、本体部１１及び締付環
１２は、パイプ２を介してグリップ１にしっかり固着さ
れている。
【００１６】その為、長さ調節機構Ａは、締付環１２を
本体部１１に完全に締付けた状態では、構造上のガタ付
きが生ずる余地は全く無くなる。従って、従来の、長さ
の調節機構付のゴルフクラブの多くが、長さ調節機構の
構造上のガタ付きに由来して、打球の方向や飛距離が微
妙に狂わされてしまい、折角の調節機構が、角をためて
牛を殺す逆効果を招いていた、重大な不都合を、ほぼ確
実に解消させることが出来る。
【００１７】ゴルフクラブ１００の長さを調節したい時
には、締付環１２を一旦緩めたうえ、シャフト４を適宜
に上下にスラドさせたうえ、締付環１２を再び締付けれ
ばよい。
【００１８】
【発明の効果】以上の説明によって明らかな様に、本発
明によるゴルフクラブは、以下に列挙した如き実用上の
優れた効果を奏する。
（ａ）シャフトの長さを変えたい時には、一々、長さの
異なる別のクラブを選んで取り替える迄もなく、簡単・
迅速・自在に、長さを変えられる。
（ｂ）然も、長さ調節機構の楔状部材に、特異な形状の
山形円錐面と、特異な配置の切れ目を設けたことによっ
て、従来の長さ可変型ゴルフクラブの重大な欠点であっ
た、長さ調節機構の介在に由来するシャフトのガタ付き
をほぼ完全に無くすことが出来る。
（ｃ）そして、シャフトの部分には、螺を切る等の加工
が一切不要なので、製作コストの節減の面からも極めて
好ましい。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf club provided with a length adjusting mechanism for making the length of a shaft variable. [0002] The length of the shaft, the situation during play,
Golf clubs equipped with a length adjustment mechanism that can be changed arbitrarily according to the height of the user,
Various things have been considered. [0003] However, the folding length adjustment mechanism has a slight adverse effect on the direction and the flight distance of the hit ball if there is a small amount of assembled play or the mounting state is not appropriate. "I will kill the cows". SUMMARY OF THE INVENTION Accordingly, the object of the present invention is to improve the structure, mounting location, mounting method, and the like of the shaft length adjusting mechanism so that the direction of the hit ball and the flight distance are sensitive. It is an object of the present invention to provide a golf club with a length adjusting mechanism configured so as not to adversely affect the golf club. In order to achieve the above object, a golf club according to the present invention comprises a substantially cylindrical body having a predetermined length as a whole for varying the length of a shaft. A length adjusting mechanism A is inserted into the inner space of the grip 1 in a fixed state, and a main body having an upper portion fixed to a protruding end of a pipe 2 whose lower end protrudes below the grip 1. 1
1, a fastening ring 12 screwed to the lower end of the main body 11, and a length adjustment mechanism A and a shaft 4 having its upper end side loosely fitted in the pipe 2, and are fitted in a loosely fitted state. The outer peripheral surface is provided with a wedge-shaped member 13 formed in a chevron-shaped conical surface in the axial direction, and when the fastening ring 12 is screwed, the chevron-shaped conical surface of the wedge-shaped member 13 becomes the main body 11 and the fastening ring. 12 is formed on the inner peripheral surface of each of the twelve conical surfaces a and b, and the entire inner peripheral surface of the wedge-shaped member 13 is pressed against the outer peripheral surface of the shaft 4. The wedge-shaped member 13 is provided with a plurality of upper cuts 13b from the upper end side and a plurality of lower cuts 13c from the lower end side in a staggered arrangement in the circumferential direction. DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a golf club according to the present invention will be described below with reference to the drawings. 1 and 2
As shown in FIG. 1, a pipe 2 having a predetermined length is fitted in the inner space of the grip 1 of the golf club 100 of this embodiment in a fixed state, and the lower end thereof protrudes below the grip 1. . Connected to the projecting end of the pipe 2 is a length adjusting mechanism A having a predetermined length and a substantially cylindrical shape so as to make the overall length of the golf club 100 variable. And the upper end side of the shaft 4 with the head 3 attached to the lower end is
The length adjusting mechanism A and the inner space of the pipe 2 are slidably inserted. A dimensional scale 5 is provided on the upper outer peripheral surface of the shaft 4 so as to know how much the golf club 100 has been expanded or contracted from its reference length. Next, the specific structure of the length adjusting mechanism A is as follows:
This will be described in sequence with reference to FIG. 3 as an exploded perspective view. A length adjusting mechanism A made of a tough synthetic resin such as acetal copolymer includes a main body portion 11 connected to the lower end portion of the pipe 2 and a fastening ring 12 screwed to the lower end of the main body portion 11.
And a wedge-shaped member 13 having a shape that allows the outer peripheral surface of the shaft 4 to be brought into pressure contact with the inner peripheral surfaces of the main body 11 and the fastening ring 2 while being loosely fitted to the shaft 4. First, the main body 11 has an upper portion as a connecting portion 11a that is externally fitted to the pipe 2 in a fixed state. The inner peripheral surface on the lower half side of the main body 11 is a first conical surface a that expands downward. A male screw 11 b is provided at the lower part of the outer peripheral surface of the main body 11. Furthermore, male screw 11
An annular groove 11c is provided on the outer peripheral surface immediately above b. Next, a female screw 12 to be screwed into a male screw 11b of the main body 11 is fitted to the upper half of the inner peripheral surface of the fastening ring 12.
a is provided. In addition, a second conical surface b whose diameter decreases downward is provided in the lower half of the inner peripheral surface. Furthermore, the female screw 12
An annular groove 12b is also provided between a and the conical surface b. Next, the substantially cylindrical wedge-shaped member 13 has an outer peripheral surface formed into a chevron-shaped conical surface whose diameter is gradually expanded from both axial ends toward the middle. As shown in FIG. 3, the angle cone surface is formed by the main body portion 11.
The upper conical surface c pressed against the first conical surface a and the lower conical surface d pressed against the second conical surface b of the fastening ring 12 are combined. An annular groove 13a is also provided between the upper and lower conical surfaces c and d. Further, the wedge-shaped member 13 has an upper cut 13b from its upper end side and a lower cut 13c from its lower end side.
Are provided in a staggered arrangement in the circumferential direction. Each cut line 13b, 13c extends to the vicinity of the other end of the wedge-shaped member 13. Next, the operation of the above configuration will be described. When the golf club 100 is in use, the fastening ring 12 of the length adjusting mechanism A is firmly screwed into the main body 11 as shown in FIG. In this state, the entire surface of the upper conical surface c of the wedge-shaped member 13 is in pressure contact with the conical surface a of the main body 11 (see FIG. 3). In addition, the entire surface of the lower conical surface d is the fastening ring 12.
Is pressed against the conical surface b (see FIG. 3). When the wedge-shaped member 13 provided with the cuts 13b and 13c on both the upper and lower sides and the annular groove 13a is pressed against the entire inner peripheral surface of the main body 11 and the fastening ring 12 in this way, this pressing force However, the wedge-shaped member 13 having both rigidity and moderate flexibility is tightened to reduce the diameter of the member. As a result, a wedge-shaped member 1 having a predetermined length.
The entire inner peripheral surface of 3 is also in a state where the entire surface is firmly pressed against the outer peripheral surface of the shaft 4. The main body 11 and the fastening ring 12 are firmly fixed to the grip 1 via the pipe 2. Therefore, the length adjusting mechanism A has no room for structural backlash when the fastening ring 12 is completely fastened to the main body 11. Therefore, many of the conventional golf clubs with a length adjustment mechanism have a looseness in the direction and flight distance of the hit ball due to the backlash in the structure of the length adjustment mechanism. It is possible to almost certainly eliminate the serious inconvenience that the mechanism has had the adverse effect of killing the cow by leaning the horn. When it is desired to adjust the length of the golf club 100, the tightening ring 12 is once loosened, the shaft 4 is appropriately slid up and down, and the tightening ring 12 is tightened again. As is apparent from the above description, the golf club according to the present invention has excellent practical effects as listed below. (A) When you want to change the length of the shaft, it is easy to select another club with a different length and replace it.
The length can be changed quickly and freely. (B) However, the wedge-shaped member of the length adjusting mechanism is a serious disadvantage of the conventional variable-length golf club due to the provision of an unusually shaped conical surface and an unusually arranged cut. The backlash of the shaft resulting from the intervention of the length adjusting mechanism can be almost completely eliminated. (C) Since the shaft portion does not require any processing such as threading, it is extremely preferable from the viewpoint of reducing manufacturing costs.
【図面の簡単な説明】
【図１】本発明の一実施例を示すもので、ゴルフクラブ
の正面図である。
【図２】同上、長さ調節機構の組付個所近傍の拡大縦断
面図である。
【図３】同上、長さ調節機構の分解斜視図である。
【符号の説明】
１００ ゴルフクラブ
１ グリップ
２ パイプ
３ ヘッド
４ シャフト
５ 寸法目盛
Ａ 長さ調節機構
１１ 本体部
１１ａ 連結部
１１ｂ 雄ねじ
１１ｃ，１２ｂ，１３ａ 環状溝
１２ 締付環
１２ａ 雌ねじ
１２ｂ 環状溝
１３ 楔状部材
１３ｂ 上側切れ目
１３ｃ 下側切れ目
ａ 第１の円錐面
ｂ 第２の円錐面
ｃ 上側円錐面
ｄ 下側円錐面BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a golf club according to an embodiment of the present invention. FIG. 2 is an enlarged longitudinal sectional view of the vicinity of the assembly position of the length adjusting mechanism. FIG. 3 is an exploded perspective view of the length adjusting mechanism. [Description of Symbols] 100 Golf Club 1 Grip 2 Pipe 3 Head 4 Shaft 5 Dimension Scale A Length Adjustment Mechanism 11 Main Body 11a Connection 11b Male Screws 11c, 12b, 13a Annular Groove 12 Tightening Ring 12a Female Thread 12b Annular Groove 13 Wedge Shape Member 13b Upper cut 13c Lower cut a First conical surface b Second conical surface c Upper conical surface d Lower conical surface
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭52−146228（ＪＰ，Ａ) 実開 昭52−35765（ＪＰ，Ｕ) 実開 昭55−57506（ＪＰ，Ｕ) 実開 昭51−134435（ＪＰ，Ｕ) 実開 昭59−115109（ＪＰ，Ｕ) 実開 昭58−53908（ＪＰ，Ｕ) 実開 昭51−55766（ＪＰ，Ｕ) 実開 昭57−197970（ＪＰ，Ｕ) 実開 昭54−8574（ＪＰ，Ｕ) 実開 昭63−114679（ＪＰ，Ｕ) 実開 昭52−38570（ＪＰ，Ｕ) 実公 昭44−29227（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) A63B 53/16 F16B 7/14 ──────────────────────────────────────────────────── ─── Continuation of Front Page (56) References JP 52-146228 (JP, A) Shokai 52-35765 (JP, U) Shokai 55-57506 (JP, U) Shokai 51- 134435 (JP, U) Shokai Sho 59-115109 (JP, U) Shokai Sho 58-53908 (JP, U) Shokai Sho 51-55766 (JP, U) Shokai Sho 57-197970 (JP, U) Akira Akira 54-8574 (JP, U) Akira Akira 63-114679 (JP, U) Akira 52-38570 (JP, U) Akira 44-29227 (JP, Y1) (58) Fields surveyed (Int.Cl. 7 , DB name) A63B 53/16 F16B 7/14
Claims (1)
全体として所定長さの略筒状体を成す長さ調節機構Ａ
が、 グリップ１の内空部に固着状態で挿嵌されて、その下端
部をグリップ１の下方に突出させたパイプ２の突出端
に、その上部を固着させた本体部１１と、 本体部１１の下端に螺着した締付環１２と、 長さ調節機構Ａ及びパイプ２内にその上端側を遊嵌させ
たシャフト４に、遊嵌状態で外嵌されて、その外周面
が、その軸方向に山形円錐面に形成された楔状部材１３
とを備えており、 締付環１２を螺じ込むと、楔状部材１３の山形円錐面
が、本体部１１及び締付環１２の夫々の内周面に形成し
た、各円錐面ａ及びｂに圧接されると共に、楔状部材１
３の内周面全面がシャフト４の外周面に圧接される様に
構成されたものに於いて、 前記楔状部材１３には、その上端側から上側切れ目１３
ｂを、下端側から下側切れ目１３ｃを、その周方向に互
い違いの配置で夫々複数条設けたことを特徴とするゴル
フクラブ。(57) [Claims] [Claim 1] To make the length of the shaft variable,
Length adjustment mechanism A that forms a substantially cylindrical body of a predetermined length as a whole
However, the main body 11 is inserted into the inner space of the grip 1 in a fixed state, and the upper end of the pipe 2 is fixed to the protruding end of the pipe 2 whose lower end protrudes below the grip 1. The fastening ring 12 screwed to the lower end of the shaft, and the length adjusting mechanism A and the shaft 4 which is loosely fitted to the upper end side of the pipe 2 are externally fitted in a loosely fitted state. Wedge-shaped member 13 formed in a chevron conical surface in the direction
When the tightening ring 12 is screwed in, the chevron conical surface of the wedge-shaped member 13 is formed on each conical surface a and b formed on the inner peripheral surface of each of the main body 11 and the tightening ring 12. While being pressed, the wedge-shaped member 1
3 is configured such that the entire inner peripheral surface of the shaft 3 is pressed against the outer peripheral surface of the shaft 4. The wedge-shaped member 13 has an upper cut 13 from its upper end side.
A golf club characterized in that b is provided with a plurality of lower cuts 13c from the lower end side in a staggered arrangement in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08088791A JP3376586B2 (en) | 1991-03-18 | 1991-03-18 | Golf club |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08088791A JP3376586B2 (en) | 1991-03-18 | 1991-03-18 | Golf club |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0592056A JPH0592056A (en) | 1993-04-16 |
| JP3376586B2 true JP3376586B2 (en) | 2003-02-10 |
Family
ID=13730859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08088791A Expired - Fee Related JP3376586B2 (en) | 1991-03-18 | 1991-03-18 | Golf club |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3376586B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5895329A (en) * | 1991-01-14 | 1999-04-20 | Huang; Ben | Golf club shaft grip |
| US7320647B2 (en) * | 2005-05-31 | 2008-01-22 | Murray Dean D | Golf putter length adjustment holder device |
| KR100794619B1 (en) | 2007-08-03 | 2008-01-14 | 유재원 | Putter for golf |
| KR100794369B1 (en) | 2007-08-27 | 2008-01-15 | 유재원 | Putter for golf |
| JP4544647B1 (en) | 2009-10-21 | 2010-09-15 | 央 軽部 | Grip structure and golf club |
| JP5612641B2 (en) * | 2011-08-12 | 2014-10-22 | アクシュネット カンパニーＡｃｕｓｈｎｅｔ Ｃｏｍｐａｎｙ | Interchangeable shaft system |
| US10159875B2 (en) | 2011-10-31 | 2018-12-25 | Karsten Manufacturing Corporation | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs |
| US20130109491A1 (en) * | 2011-10-31 | 2013-05-02 | Karsten Manufacturing Corporation | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs |
| US10022597B2 (en) | 2011-10-31 | 2018-07-17 | Karsten Manufacturing Corporation | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs |
| US8419564B1 (en) * | 2011-10-31 | 2013-04-16 | Karsten Manufacturing Corporation | Adjustable length golf clubs and methods of manufacturing adjustable length golf clubs |
-
1991
- 1991-03-18 JP JP08088791A patent/JP3376586B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0592056A (en) | 1993-04-16 |
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