JPH02136664U - - Google Patents

Info

Publication number
JPH02136664U
JPH02136664U JP1989045677U JP4567789U JPH02136664U JP H02136664 U JPH02136664 U JP H02136664U JP 1989045677 U JP1989045677 U JP 1989045677U JP 4567789 U JP4567789 U JP 4567789U JP H02136664 U JPH02136664 U JP H02136664U
Authority
JP
Japan
Prior art keywords
club head
back side
golf club
head
wood golf
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.)
Granted
Application number
JP1989045677U
Other languages
Japanese (ja)
Other versions
JP2532650Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989045677U priority Critical patent/JP2532650Y2/en
Priority to US07/510,242 priority patent/US5092599A/en
Publication of JPH02136664U publication Critical patent/JPH02136664U/ja
Application granted granted Critical
Publication of JP2532650Y2 publication Critical patent/JP2532650Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案を実施したウツドゴルフクラ
ブヘツドの縦断面図、第２図ａ〜第２図ｄはヘツ
ド上面に形成する種々の形状の凹部を示す実施例
の説明図、第３図ａ〜第３図ｃは、可視化実験に
よるクラブヘツドの上面に形成した凹部の深さを
変化させて気流の状態を示した説明図、第４図は
従来のウツドゴルフクラブヘツドの側面図、第５
図はウツドゴルフクラブヘツドの正面図、第６図
は打球時のヘツド周辺の理想的空気の流れを示す
第５図の−矢視断面図、第７図は第４図の
−矢視断面図での打球時のヘツド周辺の実際の
空気の流れを示す説明図、第８図は流速４０Ｍ／
ｓｅｃ中での油膜法に於ける油膜の付着状態を示
す説明図である。 １……ウツドゴルフクラブヘツド、２……クラ
ブヘツド、２ａ……クラブヘツドの上面、３……
フエース面、４……ソール部、７……凹部、Ｐ…
…最頂部、Ｓ……位置、ｌ……距離。 Fig. 1 is a vertical sectional view of a wood golf club head embodying this invention, Figs. 2a to 2d are explanatory views of embodiments showing recesses of various shapes formed on the upper surface of the head, and Fig. 3. Figures a to 3c are explanatory diagrams showing the state of airflow by changing the depth of the recess formed on the upper surface of the club head in a visualization experiment. Figure 4 is a side view of a conventional wood golf club head. 5
The figure is a front view of the head of a wood golf club, Figure 6 is a sectional view taken along the - arrow in Figure 5, showing the ideal air flow around the head when hitting a ball, and Figure 7 is a cross-sectional view taken in the - arrow direction of Figure 4. An explanatory diagram showing the actual air flow around the head when hitting a ball, Figure 8 shows a flow rate of 40M/
FIG. 2 is an explanatory diagram showing the adhesion state of an oil film in the oil film method in sec. 1... Wooden golf club head, 2... Club head, 2a... Upper surface of club head, 3...
Face surface, 4... Sole portion, 7... Concave portion, P...
...top, S...position, l...distance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クラブヘツドの円弧状に形成された上面最頂部
よりバツク側へ所定の距離隔てた位置を設定し、
この位置からバツク側へ向かつて、前記位置に中
央部の接点を有する円を少なくとも最少の面積と
してクラブヘツド上面全域に、所定の深さの凹部
を設けたことを特徴とするウツドゴルフクラブヘ
ツド。 Set a position a predetermined distance away from the top of the arc-shaped upper surface of the club head toward the back side,
A wood golf club head characterized in that, from this position toward the back side, a recessed part of a predetermined depth is provided over the entire upper surface of the club head, with at least the minimum area of a circle having a central contact point at the said position.
JP1989045677U 1989-04-20 1989-04-20 Wood Golf Club Head Expired - Fee Related JP2532650Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989045677U JP2532650Y2 (en) 1989-04-20 1989-04-20 Wood Golf Club Head
US07/510,242 US5092599A (en) 1989-04-20 1990-04-17 Wood golf club head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989045677U JP2532650Y2 (en) 1989-04-20 1989-04-20 Wood Golf Club Head

Publications (2)

Publication Number Publication Date
JPH02136664U true JPH02136664U (en) 1990-11-14
JP2532650Y2 JP2532650Y2 (en) 1997-04-16

Family

ID=33446693

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989045677U Expired - Fee Related JP2532650Y2 (en) 1989-04-20 1989-04-20 Wood Golf Club Head

Country Status (1)

Country Link
JP (1) JP2532650Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04180778A (en) * 1990-11-15 1992-06-26 Osawa Shokai:Kk Golf club head
JP2014100186A (en) * 2012-11-16 2014-06-05 Bridgestone Sports Co Ltd Golf club head and design method
JP2017086332A (en) * 2015-11-06 2017-05-25 ブリヂストンスポーツ株式会社 Golf club head

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6417667A (en) * 1987-07-14 1989-01-20 Mizuno Kk Head for golf club
JPS6439765U (en) * 1987-09-02 1989-03-09

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6417667A (en) * 1987-07-14 1989-01-20 Mizuno Kk Head for golf club
JPS6439765U (en) * 1987-09-02 1989-03-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04180778A (en) * 1990-11-15 1992-06-26 Osawa Shokai:Kk Golf club head
JP2014100186A (en) * 2012-11-16 2014-06-05 Bridgestone Sports Co Ltd Golf club head and design method
JP2017086332A (en) * 2015-11-06 2017-05-25 ブリヂストンスポーツ株式会社 Golf club head

Also Published As

Publication number Publication date
JP2532650Y2 (en) 1997-04-16

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Legal Events

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LAPS Cancellation because of no payment of annual fees