CN1366463A - Iron golf club - Google Patents
Iron golf club Download PDFInfo
- Publication number
- CN1366463A CN1366463A CN01801108A CN01801108A CN1366463A CN 1366463 A CN1366463 A CN 1366463A CN 01801108 A CN01801108 A CN 01801108A CN 01801108 A CN01801108 A CN 01801108A CN 1366463 A CN1366463 A CN 1366463A
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- Prior art keywords
- batting
- golf club
- striking surface
- iron golf
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0416—Heads having an impact surface provided by a face insert
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/047—Heads iron-type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/0408—Heads characterised by specific dimensions, e.g. thickness
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
Abstract
An iron golf club, comprising a head part (1) having a face surface (4), wherein a coefficient of restitution obtained when a ball is hit by a sweet spot on the face surface (4) at a speed of 44 m/s falls within the range of 0.81 or more to 0.95 or less, the effective face area of the head part (1) is 2500 mm<2> or larger to 5000 mm<2> or smaller, the effective deflection length is 36 mm or longer to 72 mm or shorter, and the face thickness at the sweep spot is 1.0 mm or thicker to 2.5 mm or thinner.
Description
Technical field
The present invention relates to a kind of iron golf club, more particularly, the present invention relates to a kind of striking surface be made easy deflection, can improve the batting back ball iron golf club of flying distance aloft at square stance thus.
Background technology
First prior art example about the head of golf club is recorded on the U.S.P.5863261 United States Patent (USP).The document discloses a kind of golf club head, described golf club head has two pieces of spherical plate, fix with fluid therebetween, nationality can produce strain by this double panel structure, the energy efficient of golf club can be passed to spheroid by this, thereby, can improve after the batting of golf ball flying distance aloft.
In addition, as the example of second prior art, disclose a kind of golf club head on the U.S.P.5605511 United States Patent (USP), described golf club head ties up to the annular ditch groove of striking surface rear peripheral wall part setting around central portion.
The desired index of golf club has batting back ball flying distance aloft.Particularly, this hitting distance is big more, and then batting next time is lighter, and directly has influence on the height of score.The influence batting back ball aloft factor of flying distance is a lot, but its main cause has the ballistic properties of bat striking surface.Therefore, the ballistic properties of raising bat striking surface is just very important.
According to the golf club head that first example of above-mentioned prior art is put down in writing, can think that this club head can improve ballistic properties to a certain extent.Yet, as this first example, to make striking surface, the time of its joint, very expensive with double panel structure.
In second example of above-mentioned prior art,, can't improve after the batting of ball ball flying distance aloft though nationality by the setting of annular ditch groove, can reduce the vibration of hearing of again.In addition, because annular ditch groove must be set, its manufacturing also quite takes the time, time and expense.
Summary of the invention
For this reason, main purpose of the present invention is: a kind of iron golf club is provided, described iron golf club has can increase substantially behind the golf driving ball head of flying distance aloft, the manufacturing of described golf club head needn't take the time more, time and expense, but nationality is by reducing the facial rigidity of batting, can improve the ballistic properties of striking surface, thereby improve batting back ball flying distance aloft.
Iron golf club of the present invention comprises the head with striking surface, and the optimum batting point on this striking surface is colliding the rebound coefficient of square stance in the scope more than 0.81, below 0.95 with the speed of 44m/s.
Because the rebound coefficient height at the optimum batting point place on the above-mentioned striking surface, therefore, not only with the optimum batting point square stance on this striking surface, and with near the square stance optimum batting point on the described striking surface, also can significantly improve after the batting of ball ball flying distance aloft.Again, be to improve rebound coefficient, the facial thickness of attenuate batting correspondingly, therefore, it needn't take the time when making more, time and expense.
Be preferably, the effective striking surface area of aforesaid iron golf club head is 2500mm
2More than, 5000mm
2Below.Here, so-called " effectively striking surface area " refers in the present invention, square stance, the surface area of the facial part of deflection in fact of batting.For example, in the golf club head of hollow structure, refer to remove the surface area of the striking surface central part of the facial peripheral wall part of batting.
In addition, be preferably, the effective bending length of aforesaid iron golf club head is more than the 36mm, below the 72mm.Here, so-called " effectively bending length " refers to square stance, the flexible in fact part of batting face in the present invention.Refer to by the vertical length in the relative ground of optimum batting point, for example, in the golf club head of hollow structure, refer to bat between facial peripheral wall portion, by the vertical length on the relative ground of optimum batting point.
In addition, be preferably, the striking surface thickness at the optimum batting point place of iron golf club head of the present invention is more than the 1.0mm, below the 2.5mm.Again, the facial spring rate of batting is preferably more than the 30Gpa, below the 210Gpa.
Above-mentioned each important document also can appropriate combination.
The description of the drawings
Fig. 1 is the exploded perspective view of iron golf club head of the present invention.
Fig. 2 is the cutaway view with the 100-100 line place after the previous section of the golf club head of Fig. 1 and the aft section assembling.
Fig. 3 is for showing the product of the present invention and the figure of the hitting distance test result of product in the past.
The specific embodiment
Nationality is by the facial thickness of attenuate golf club head batting in the present invention, can improve spheroid and collide rebound coefficient when the striking surface with certain speed.Particularly, the rebound coefficient (according to following test method record) of spheroid when colliding optimum batting point with the speed of 44 ± 0.5m/s is in the scope more than 0.81, below 0.95.
As mentioned above, nationality makes the facial deflection easily of batting by the facial thickness of attenuate golf club head batting,, makes strain easily that is, thereby, can bring into play pop effect, improve the ballistic properties of striking surface.Particularly, described striking surface thickness is more than 1.0mm, below the 2.5mm.
Here, so-called " striking surface thickness " refers to be positioned at relatively the thickness of slab of the batting face of the vertical striking surface direction in optimum batting point place in the present invention.Again, the facial spring rate of batting is preferably more than the 30Gpa, below the 210Gpa.
In addition, nationality promptly, increases the deformed region of the facial central portion of batting by increasing effective striking surface area, can improve the ballistic properties of striking surface more effectively.Particularly, effectively the striking surface area is 2500mm
2More than, 5000mm
2Below.
Here, so-called " effectively striking surface area " refers to square stance in the present invention, at the facial surface area of the part of deflection in fact of batting.For example, in the iron golf club head of hollow structure, refer to remove the surface area of the striking surface central part of the facial peripheral wall part of batting, in Fig. 1, promptly refer to the area of oblique line part.
Again, nationality is by increasing effective bending length,, increases the length from the base plate of striking surface central portion to top edge that is, also can improve the ballistic properties of striking surface.Particularly, effectively bending length is more than the 36mm, below the 72mm.
Here, so-called " effectively bending length " refers to that in the present invention square stance is in the flexible in fact part of batting face.Refer to by the vertical length in the relative ground of striking surface optimum batting point (bottom surface).For example, in the golf club head of hollow structure, effective bending length of the present invention refers to bat between the wall portion of facial periphery, by optimum batting point (the striking surface line of rabbet joint (score line) central authorities) vertical length on ground relatively.In Fig. 1 and Fig. 2 example, length L is equivalent to effective bending length.
Occasion at the iron golf club of head with hollow structure, the support of square stance striking surface distortion can be thought by wall portion around the striking surface at square stance, therefore, by increasing the length between its support, can make and make strain easily by institute of wall portion area surrounded.Its result can improve ballistic properties as described above.
Have again, same effective striking surface area, length is more little between the locational support of spheroid when collision, and the elastic deformation amount is also more little.Therefore, be necessary to consider how to increase length between support.Thereby nationality can further improve the ballistic properties of striking surface by increasing above-mentioned effective bending length.
Below, do an explanation with regard to the method for measuring rebound coefficient.
At first, the relative ground of striking surface of iron golf club head and the golf of collision are stood vertically, make golf clash into the line of rabbet joint central authorities of this bat, or, bump optimum batting point position, (this test method is Vin=44 ± 0.5m/s) and the golf ball body speed Vout after clashing into to record golf speed Vin before the bump with the tachymeter of optical pickocff.
Calculate rebound coefficient COR by measured Vin and Vout and following mathematical expression 1.
Vout/Vin＝(COR×M-m)/(M+m)??????????????????????……(1)
Here, M is the quality of iron golf club head, and m is the quality of golf.The Pinnacle Gold LS that golf uses ACUSHINET COMPANY to sell.The average weight of golf is 45.4 ± 0.4 grams, and in the test, golf is stored in 23 ± 1 ℃ indoor.
Below, with reference to Fig. 1-Fig. 3, do an explanation with regard to specific embodiments of the invention.Fig. 1 is the exploded perspective view of iron golf club head 1 of the present invention.Fig. 2 is the cutaway view with the 100-100 line place after the previous section 10 of the golf club head of Fig. 1 and aft section 11 assemblings.The excellent handle and the handle of golf are not shown.
As shown in Figure 1, head 1 constitutes by assembling front face parts 10 and rear face parts 11.There is recess 13b in the central authorities of front face parts 10, and its circumference has junction surface (wall portion) 6 and neck 5.There is recess 13a in the central authorities of rear face parts 11, and its circumference has junction surface 6.Front face parts 10 and rear face parts 11 are welded into one by the periphery with junction surface 6.The welding surplus is such as being 2mm.
In Fig. 1, the base area of recess 13b, that is, the hatched example areas area is equivalent to above-mentioned effective striking surface area.In this example, effectively the striking surface area is 2930mm
2
Again, in Fig. 1, the length L that arrow is represented is equivalent to above-mentioned effective bending length, and in this example, effectively bending length is 36.5mm.
As shown in Figure 2, the head 1 in this example is the chamber bag type structure of its bottom thickness of 2 greater than top edge 3, and is provided with the hollow structure in space 12 in front between portion's parts 10 and the rear face parts 11.
Wall thickness (striking surface thickness) t that has as the batting face of the batting face 4 of striking surface is 2.3mm, and this thickness is the value at optimum batting point place.
The SUS630 forging that front face parts 10 and rear face parts 11 are served as reasons as stainless steel material forms.
Yet,,, also can use austenite SUS301,303,304,304N1,304N2,305,309S, 310S, 316,317,321,347, the XM7 of stainless steel series except above-mentioned stainless steel as the striking surface material; The SUS410 of martensite series, 420,431,440; Separate out curing type SUS630; The SUS405 of ferrite series, 430,444.Soft iron can use S15C, S20C, S25C, S30C, S35C; Special steel also can use high tension steel, extra-high tension steel, and ausforming is handled steel, martensite steel, spring steel.In addition, titanium alloy can use a kind of pure titanium, 2 kinds, 3 kinds, 4 kinds; α alloy 5AL-2.5V, alpha-beta alloy 3AL-2.5V, 6AL-4V, 4.5AL-3V-2Fe-2Mo; Beta alloy 15V-3Cr-3Sn-3AL, 10V-2Fe-3Al, 13V-11Cr-3Al, 15Mo-5Zr, 15V-6Cr-4Al, 15Mo-5Zr-3Al, 20V-4Al-1Sn, 22V-4Al, 3Al-8V-6Cr-4Mo-3Zr; The aluminum-based metal material has fine aluminium, 2017,2024,7075,3003,5052,5056,6151,6053,6061; Magnesium is that metal material has AZ63A, AZ81A, AZ91A, AZ91C, WE54, EZ33A; Have again, can use any combination of above-mentioned material as composite plate.
Again, bat facial material except above-mentioned, can enumerate the material that often uses when being generally used for the club head manufacturing, as iron, stainless steel, aluminium, titanium, magnesium, tungsten, copper, nickel, zirconium, cobalt, manganese, zinc, silicon, tin, chromium, FRP, synthetic resin, pottery, rubber etc.Above-mentioned material both can use separately, also can make up more than two kinds and use.
In addition, as striking surface and in addition the part preparation method, can adopt its cost low, the casting method that dimensional accuracy is high.Methods such as other can die casting, die casting and forging are made head body.On the other hand, after also can adopting methods such as die casting, forging, hot investment casting, molten metal injection moulding, die casting, cut-out processing, powder metallurgy to make each parts earlier, again with these parts by welding, bonding or be pressed into, methods such as chimeric, crimping, screw are fixed, soldering engage, and make golf club head.
Below, the golf club head and the characteristic of the club head of example in the past of contrast the invention described above, its result's usefulness table 1 and Fig. 3 explanation.In the table 1 below, the invention described above and rebound coefficient, each size and the area of the A to D of product have in the past been shown.In the table 1, for example, product D had so-called chamber bag type club head in the past, and its constituent material is the S25C soft iron material.Table 1
| No. 5 | The present invention | Product A in the past | Product B in the past | Products C in the past | Product D in the past |
| Facial thickness (mm) | 2.3 | ?3.4 | ?3.2 | ?2.8 | ?3 |
| Effective striking surface area (mm) | 2930 | ?2080 | ?1760 | ?2410 | ?1820 |
| Effective bending length (mm) | 36.5 | ?31.4 | ?31.9 | ?35.5 | ?29.6 |
| Rebound coefficient | 0.815 | ?0.771 | ?0.785 | ?0.804 | ?0.784 |
Compare with regard to above-mentioned D of product in the past and product of the present invention especially, the striking surface thickness of product of the present invention reduces 23%, and effectively the striking surface area increases by 61%, and effectively bending length is 23%, and is bigger.Recording its rebound coefficient is 0.815, and product D was 0.784 in the past, and the rebound coefficient of product of the present invention improves 4%.
Shown in the table 1, though with other in the past product relatively, the rebound coefficient of product of the present invention is also very high.
Relatively product of the present invention and the hitting distance of product D in the past again, it the results are shown in Fig. 3.Face upward No. 5 iron club head products of 26 degree, with flying distance and the automatic test aloft of ball after the batting of head speed 35m/s relatively.Data are the mean value of 6 batting.Thus, with golf club head batting of the present invention, ball aloft flying distance is 146.7m, comprises that total hitting distance of ground surface distance is 151.7m.And the golf club head of product batting in the past, ball aloft flying distance is 135.2m, comprises that total hitting distance of ground surface distance is 137.1m.Illustrate that ball of the present invention aloft flying distance improves 8.5%, comprise that total hitting distance of ground surface distance improves 10.6%.
As above illustratedly, according to the present invention, time, the time that can take making are expense more, reduce the rigidity of striking surface, improve the ballistic properties of golf club head striking surface, improve after the batting of ball ball flying distance aloft.
The present invention is specially adapted to iron golf club.
Claims (7)
1. iron golf club, described bat comprise and it is characterized in that the have striking surface head (1) of (4):
Optimum batting point on this striking surface is colliding the rebound coefficient of square stance in the scope more than 0.81, below 0.95 with the speed of 44m/s.
2. iron golf club as claimed in claim 1 is characterized in that, as square stance striking surface (4) surface area of deflection part in fact, promptly effectively the striking surface area is 2500mm as mentioned above
2More than, 5000mm
2Below.
3. iron golf club as claimed in claim 1 is characterized in that,
Described head (1) has hollow structure,
The circumference of the batting face on the described head (1) is provided with wall portion (6),
Be positioned between the above-mentioned wall portion (6), the surface area of the central portion of described batting facial (4) is 2500mm
2More than, 5000mm
2Below.
4. iron golf club as claimed in claim 1 is characterized in that,
Square stance, the length of the flexible in fact part of above-mentioned batting face (4), that is, by the optimum batting point on the above-mentioned batting face (4), the vertical length in relative ground, promptly effective bending length is more than the 36mm, below the 72mm.
5. iron golf club as claimed in claim 1 is characterized in that,
Described head (1) has hollow structure,
The circumference of the batting face on the described head (1) is provided with wall portion (6),
As the length between the above-mentioned wall portion (6), promptly by the optimum batting point in the described batting facial (4), and with the perpendicular direction in ground on length, promptly the effective bending length of central portion is more than the 36mm, below the 72mm.
6. iron golf club as claimed in claim 1 is characterized in that,
The thickness of the batting face at the optimum batting point place of above-mentioned striking surface (4) is more than the 1.0mm, below the 2.5mm.
7. iron golf club as claimed in claim 1 is characterized in that,
The spring rate of the batting face on the above-mentioned head (1) is more than the 30Gpa, below the 210Gpa.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000145081A JP2001321473A (en) | 2000-05-17 | 2000-05-17 | Iron golf club |
| JP145081/00 | 2000-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1366463A true CN1366463A (en) | 2002-08-28 |
| CN1283333C CN1283333C (en) | 2006-11-08 |
Family
ID=18651642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB01801108XA Expired - Fee Related CN1283333C (en) | 2000-05-17 | 2001-01-11 | Iron golf club |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20010055996A1 (en) |
| EP (1) | EP1184051B1 (en) |
| JP (1) | JP2001321473A (en) |
| CN (1) | CN1283333C (en) |
| CA (1) | CA2362843A1 (en) |
| DE (1) | DE60101189T2 (en) |
| TW (1) | TW589208B (en) |
| WO (1) | WO2001087428A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379476C (en) * | 2003-02-06 | 2008-04-09 | 卡拉韦高尔夫公司 | Golf club head |
| CN102971052A (en) * | 2010-03-16 | 2013-03-13 | 耐克国际有限公司 | Iron-type golf club head or other ball striking device |
| CN104906767A (en) * | 2014-03-13 | 2015-09-16 | 阿库施耐特公司 | Multi-piece iron golf club head |
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| JPS55114669U (en) * | 1979-02-07 | 1980-08-13 | ||
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| JP3139930B2 (en) * | 1994-12-17 | 2001-03-05 | マルマンゴルフ株式会社 | Iron golf club head |
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| JPH11347160A (en) * | 1998-06-11 | 1999-12-21 | Bridgestone Sports Co Ltd | Golf club head |
-
2000
- 2000-05-17 JP JP2000145081A patent/JP2001321473A/en active Pending
-
2001
- 2001-01-11 WO PCT/JP2001/000103 patent/WO2001087428A1/en active IP Right Grant
- 2001-01-11 CN CNB01801108XA patent/CN1283333C/en not_active Expired - Fee Related
- 2001-01-11 CA CA002362843A patent/CA2362843A1/en not_active Abandoned
- 2001-01-11 DE DE60101189T patent/DE60101189T2/en not_active Expired - Fee Related
- 2001-01-11 EP EP01900680A patent/EP1184051B1/en not_active Expired - Lifetime
- 2001-04-12 US US09/833,319 patent/US20010055996A1/en not_active Abandoned
- 2001-04-12 TW TW090108825A patent/TW589208B/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100379476C (en) * | 2003-02-06 | 2008-04-09 | 卡拉韦高尔夫公司 | Golf club head |
| CN102971052A (en) * | 2010-03-16 | 2013-03-13 | 耐克国际有限公司 | Iron-type golf club head or other ball striking device |
| CN102971052B (en) * | 2010-03-16 | 2015-11-25 | 耐克创新有限合伙公司 | Iron-type golf club head and golf clubs |
| US9808683B2 (en) | 2010-03-16 | 2017-11-07 | Karsten Manufacturing Corporation | Iron-type golf club head or other ball striking device |
| US10300353B2 (en) | 2010-03-16 | 2019-05-28 | Karsten Manufacturing Corporation | Iron-type golf club head or other ball striking device |
| US10814191B2 (en) | 2010-03-16 | 2020-10-27 | Karsten Manufacturing Corporation | Iron-type golf club head or other ball striking device |
| US11517797B2 (en) | 2010-03-16 | 2022-12-06 | Karsten Manufacturing Corporation | Iron-type golf club head or other ball striking device |
| CN104906767A (en) * | 2014-03-13 | 2015-09-16 | 阿库施耐特公司 | Multi-piece iron golf club head |
| CN104906767B (en) * | 2014-03-13 | 2018-07-20 | 阿库施耐特公司 | Multi-part iron golf club head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1283333C (en) | 2006-11-08 |
| EP1184051A4 (en) | 2002-07-17 |
| TW589208B (en) | 2004-06-01 |
| CA2362843A1 (en) | 2001-11-22 |
| EP1184051A1 (en) | 2002-03-06 |
| DE60101189D1 (en) | 2003-12-18 |
| DE60101189T2 (en) | 2004-06-03 |
| EP1184051B1 (en) | 2003-11-12 |
| US20010055996A1 (en) | 2001-12-27 |
| JP2001321473A (en) | 2001-11-20 |
| WO2001087428A1 (en) | 2001-11-22 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20140111 |