EP0639996B1 - Crosse de golf - Google Patents
Crosse de golf Download PDFInfo
- Publication number
- EP0639996B1 EP0639996B1 EP93910092A EP93910092A EP0639996B1 EP 0639996 B1 EP0639996 B1 EP 0639996B1 EP 93910092 A EP93910092 A EP 93910092A EP 93910092 A EP93910092 A EP 93910092A EP 0639996 B1 EP0639996 B1 EP 0639996B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- angle
- face
- shaft
- head
- less
- 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 - Lifetime
Links
Images
Classifications
-
- 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
-
- 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
- A63B53/005—Club sets
-
- 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
- A63B53/0433—Heads with special sole configurations
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/12—Characteristics or parameters related to the user or player specially adapted for children
Definitions
- the present invention relates to a golf club ("club") belonging to the "Irons” category.
- the present invention also relates to a set of golf clubs.
- the "iron” type sticks have a handle to which fixed a generally quadrangular head having a striking face forming a certain angle, or “angle de face” ("loft”) with a plane containing the axis of the handle, and parallel to a lower edge of the striking face.
- said lower edge forms a certain angle, or “attitude angle” ("lie”) with the axis of the handle.
- the angle of the face is chosen all the greater we want to make a stick producing high and short trajectories.
- the handle is relatively short and the mass of the head is chosen relatively strong.
- the mass of the head is chosen relatively strong.
- the kinetic energy of the impact on the ball produces a long and low trajectory
- the Iron 1 will have the longest handle of the irons of the bag (approx.1.05m), and the lowest face angle, about 18 °, i.e. an almost striking face vertical: it will produce the most long (200m), the least tall (12m), the ball driving the farthest after its flight.
- an Iron "Sand-Wedge” will have a significantly longer handle short (approx. 0.89m), a heavier head, with a larger and very inclined striking face (approx. 56 °), and will produce the shortest trajectories (80m) and highest (25m), the ball almost stopping immediately after resuming contact with the ground.
- the length of the handle plays an important role. More the handle is long, the greater the power muscle needed to give the butt a angular speed determined when the ball is hit. But for a given angular speed, the head speed increases in proportion to the handle length. Kinetic energy communicated to the ball, which is proportional to the square of the speed at the time of typing, so is for a given angular velocity, proportional to the square of the length of the handle.
- the lengths in question are those provided for a tall male individual medium, i.e. between 1.7m and 1.8m.
- the trim angle is such that the bottom edge of the striking face rests horizontally on the ground when the stick rests on the ground while being held normally by a person of the height for which the butt is intended.
- the attitude angle can be substantially independent of the size of people.
- the golfers may want to play with the precision of a "iron” a ball that is both long and high, for example to overcome a high and quite distant obstacle without go too far, or to come out strong and with distance from a moderately rough obstacle bushy, or to come off with the length of a "bunker” of course (sand pit) which would have high edges, or to succeed in certain "Par3" ...
- the object of the present invention is to offer new possibilities in the game of golf, especially for clearing obstacles relatively high and distant.
- the use of a head golf stick belonging to the irons category with a handle at one end of which said head is fixed, this having a striking face forming an angle of face greater than 31 ° with a plane containing the axis of the sleeve and parallel to a lower edge of the face of strikes is characterized in that the handle with which said head is used is such that the length of the stock measured along the axis of the handle is greater at 0.98m, or even 0.99m (preferred value), when the user is a man whose size is smaller at around 1.80m, and greater than 0.955m when the user is a woman whose size is smaller about 1.65m.
- the golf club belonging to the category of irons and including a handle with a end of which is fixed a head having a face of strike forming a face angle with a plane containing the axis of the handle and parallel to a lower edge of the striking face, while the axis of the handle forms an angle trim with the lower edge of the striking face is characterized in that its face angle is greater than 33.5 ° and in that the attitude angle is less than or equal to 59 °, (preferred value). Can also have a face angle greater than 35 ° in combination with a trim angle less than 60 °.
- the mass of the head is less than 0.255 kg, and if the handle is made of composite material, the head mass is less than 0.260 kg. In any case, in general, a mass of less than 0.275 kg will be respected. Preferred value 0.245 kg.
- the face angle can advantageously be greater than 33 ° 5 or even 35 ° Preferred value 36.5 °.
- the golf club belonging to the category of irons and comprising a handle at one end of which is fixed a head having a striking face forming a face angle with a plane containing the axis of the handle and parallel to a lower edge of the striking face is characterized by that its face angle is greater than 35 ° and that the mass of the head is less than 0.260kg.
- the set of golf clubs belonging to the category irons and each comprising a handle at one end which is fixed a head having a striking face forming a front angle with a plane containing the axis of the sleeve and parallel to a lower edge of the face of strikes, this set comprising a series of sticks including the respective lengths measured along the axis of the neck vary in opposite directions from the front angles, is characterized in that the assembly further comprises a additional stock with a greater face angle at 31 ° and whose length (L) is in the range of length of the butts of the series whose face angle is between 15 ° and 26 °.
- the conforming golf clubs to the invention allow performance that can be qualify as outsized compared to those of irons known.
- a ball played with a stick according to the invention is capable of clearly emerging from the conical space mentioned above.
- the balls thus played have the precision of the "Irons” while being able to be at the same time long and tall.
- the invention relates to a set of golf clubs belonging to the category irons and each comprising a handle with a end of which is fixed a head having a face of strike forming a face angle with a plane containing the axis of the handle and parallel to a lower edge of the striking face, this set comprising a series of sticks whose respective lengths measured along of the axis of the handle vary in opposite directions from the front, characterized in that the assembly includes in addition to an additional stock whose front angle is greater than 31 ° and whose length is in the length range of the butts of the series including the angle from the front is between 15 ° and 26 °, and preferably roughly corresponds to the length of a butt the series whose face angle is approximately 20 °.
- the mass and the attitude angle of the head of the additional stock are preferably within ranges of mass and trim angle of the heads of butts of the series whose face angle is included between 15 ° and 26 °.
- a so-called "wooden stick” includes a head 1 made of wood, metal or composites, of ovoid shape with a recess 2 in the area of hit. Head 1 is connected to a handle 3. Woods generally have longer sleeves than irons.
- Woods N ° 1 to 5 Their trajectories go from the longest (Wood N ° 1 or "Driver") has medium lengths and fairly great heights (Wood N ° 5 to 7). They are deemed by most players as being the most difficult to master. The most played Woods are Woods N ° 1 to 5.
- Figure 2 shows a series of "Irons” by order of sleeve length and power decreasing, that is to say in the order of Iron N ° 1 at Iron N ° 10 and "Sand-Wedge".
- Head 4 is connected to a handle 6 which can also be metallic material or composite material.
- metal with high characteristics we mean particular of steel with higher resistance than steel ordinary, aluminum alloy or titanium.
- the handle it may be advantageous to make it tubular.
- Figure 3 shows the trajectories of the balls.
- the abscissa corresponds to the horizontal distances D by relative to the player's position.
- the ordinate H corresponds to altitudes.
- the line pp ' constitutes the generator of a cone whose the vertical axis is the ordinate axis, and the trajectories obtained with known irons are located all inside this cone.
- the head 4 of an "Iron" stock includes a fitting area 8 defining axis 7 of the handle and a striking palette 9 connected in one piece to the fitting area 8.
- the striking palette 9 has a striking face 11 which is generally planar and has an edge substantially straight lower 12 which is adjacent and parallel to ground 13 by the time the ball is hit.
- the angle of trim a of the butt is defined by the angle formed by the axis 7 of the handle 6 with the horizontal plane, when the club is held “right to the address ", ie with the center line of the face 11 located in a vertical plane (by construction grooves provided on the striking face 11 are then horizontal). In a current series of irons, the angle a varies from around 56 ° (Fer1) to 66 ° (Fer Sand Wedge).
- the trim angle a can also be defined as the angle between the axis 7 and the edge 12, it is at say, if the axis 7 and the edge 12 do not intersect, between axis 7 and a parallel to edge 12 intersecting axis 7.
- the angle of face b of the butt is defined by the angle formed by the plane of the striking face 11 with a vertical plane V, when the stick is held "right to address” with the axis of the handle in the plane vertical (here, axis 7 and plane V are combined).
- the Golf type stick "Iron” has the following characteristics, noted here for a medium-sized male player (1.70 to 1.80m) and which will be declined according to the standards of the profession for ladies and for children as well as for different body types.
- Length L of the stock measured along the axis 7 of the sleeve 6, that is to say between the heel 16 of head 4 and end of handle 6: more than 0.96m, and preferably more than 0.98m.
- Face angle b more than 31 °, preferably more 33 ° 5, or even more than 35 °.
- Angle of attitude a (lie): less than 62 °, or preferably equal to or less than 60 °.
- Head mass (new head, bare, ready to assemble): less than 0.275 kg, and preferably less than 0.255 kg if the handle is made of metal with high characteristics and less than 0.260 kg in the case of a composite handle, lighter, so needing to increase the mass of the head compared to a metal handle.
- the trajectory T obtained with a stick according to the invention is characteristic because it comes completely out of the defined conical space by the generator PP '.
- the trajectory is also high than that of a short iron while being almost as as long as that of a long iron. It is characterized also, for a trajectory of this length, by a fairly rapid fall. It is therefore ideal for crossing a high and distant obstacle.
- the invention thus relates to a set of sticks comprising a series which may be the series of irons traditional numbered 1 to 10 and "Sand-Wedge", to which is added the stock defined as indicated above compared to the stocks of the series.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
Description
- La figure 1 est une vue en plan d'une crosse appartenant à la catégorie des "bois", selon l'état de la technique ;
- La figure 2 est une vue en plan d'une gamme de crosses de la catégorie des "Fers", selon l'état de la technique ;
- La figure 3 est un diagramme des trajectoires de différentes balles jouées avec des fers différents ;
- Les figures 4 et 5 sont des vues de face, et respectivement en bout, de la tête d'un fer selon l'invention ;
- La figure 6 est une vue en élévation d'une crosse selon l'invention.
- Longueur L de la crosse : comprise entre la longueur L du Fer 4 (angle de face d'environ 26°) et celle du Fer 1 (angle de face de 15 à 18°) de la série, typiquement, longueur L du Fer2, dont l'angle de face est de l'ordre de 20°.
- Angle de face b ("loft") de la face du club : égal ou supérieur à l'angle b du Fer 6 de la série, typiquement, angle b du Fer 7, par exemple 36,5°.
- Angle d'assiette a ("lie") : égal ou inférieur à l'angle d'assiette du fer 6, dont l'angle de face est d'environ 34°, et de préférence égal ou inférieur à l'angle d'assiette du fer 4, dont l'angle de face est d'environ 26°.
- Masse de la tête : égale ou inférieure à celle du fer 4, dont l'angle de face est d'environ 26°.
Claims (23)
- Utilisation d'une tête de crosse de golf appartenant à la catégorie des fers, avec un manche (6) à une extrémité duquel est fixée ladite tête (4), celle-ci ayant une face de frappe (11) formant un angle de face (b) supérieur à 31° avec un plan (V) contenant l'axe (7) du manche (6) et parallèle à un bord inférieur (12) de la face de frappe (11), caractérisée en ce que le manche (6) avec lequel ladite tête est utilisée est tel que la longueur (L) de la crosse mesurée le long de l'axe (7) du manche (6) est supérieure à 0,98m lorsque l'utilisateur est un homme dont la taille est inférieure à environ 1,8m, et supérieure à 0,955m lorsque l'utilisateur est une femme dont la taille est inférieure à environ 1,65m.
- Utilisation selon la revendication 1, caractérisée en ce que ladite longueur (L) est supérieure ou égale à 0,99m pour un utilisateur homme dont la taille est inférieure à environ 1,8m et supérieure ou égale à 0,965m pour un utilisateur dame dont la taille est inférieure à environ 1,65m.
- Utilisation selon la revendication 1 ou 2, caractérisée en ce que l'angle de face (b) de la tête utilisée est supérieur à 33,5°.
- Utilisation selon la revendication 1 ou 2, caractérisé en ce que l'angle de face (b) de la tête utilisée est supérieur à 35°, de préférence supérieur ou égal à 36,5°.
- Utilisation selon l'une des revendications 1 à 4, dans laquelle l'axe du manche forme un angle d'assiette (a) avec le bord inférieur (12) de la face de frappe (11), caractérisée en ce que l'angle d'assiette (a) défini par la tête utilisée est inférieur à 62°.
- Utilisation selon la revendication 5, caractérisée en ce que l'angle d'assiette (a) est au plus sensiblement égal à 60°, de préférence au plus sensiblement égal à 59°.
- Utilisation selon l'une des revendications 1 à 6, caractérisée en ce que la masse de la tête (4) utilisée est inférieure à 0,275 kg.
- Utilisation selon l'une des revendications 1 à 6, avec un manche (6) en métal, caractérisée en ce que la masse de la tête (4) utilisée est inférieure à 0,255 kg.
- Utilisation selon l'une des revendications 1 à 6, avec un manche (6) en matériau composite, caractérisée en ce que la masse de la tête (4) utilisée est inférieure à 0,260 kg.
- Crosse de golf appartenant à la catégorie des fers et comprenant un manche (6) à une extrémité duquel est fixée une tête (4) ayant une face de frappe (11) formant un angle de face (b) avec un plan (V) contenant l'axe (7) du manche (6) et parallèle à un bord inférieur (12) de la face de frappe (11), tandis que l'axe du manche forme un angle d'assiette (a) avec le bord inférieur (12) de la face de frappe (11), caractérisé en ce que son angle de face (b) est supérieur à 33,5° et en ce que l'angle d'assiette (a) est inférieur ou égal à 59°.
- Crosse de golf selon la revendication 10, caractérisée en ce que l'angle de face (b) est supérieur à 35°.
- Crosse de golf appartenant à la catégorie des fers et comprenant un manche (6) à une extrémité duquel est fixée une tête (4) ayant une face de frappe (11) formant un angle de face (b) avec un plan (V) contenant l'axe (7) du manche (6) et parallèle à un bord inférieur (12) de la face de frappe (11), tandis que l'axe du manche forme un angle d'assiette (a) avec le bord inférieur (12) de la face de frappe (11), caractérisée en ce que son angle de face (b) est supérieur à 35° et en ce que l'angle d'assiette (a) est inférieur à 60°.
- Crosse de golf selon l'une des revendications 10 à 12, caractérisée en ce que la masse de la tête (4) est inférieure à 0,275 kg.
- Crosse de golf selon l'une des revendications 10 à 13, dont le manche (6) est un matériau composite, caractérisée en ce que masse de la tête (4) est inférieure à 0,260 kg.
- Crosse golf appartenant à la catégorie des fers et comprenant un manche (6) à une extrémité duquel est fixée une tête (4) ayant une face de frappe formant un angle de face (b) avec un plan (V) contenant l'axe (7) du manche (6) et parallèle à un bord inférieur (12) de la face de frappe (11), caractérisée en ce que son angle de face (b) est supérieur à 35° et en ce que la masse de la tête est inférieure à 0,260 kg.
- Crosse de golf selon la revendication 15, dans laquelle l'axe du manche forme un angle d'assiette (a) avec le bord inférieur (12) de la face de frappe (11), caractérisée en ce que l'angle d'assiette (a) est inférieur à 62°.
- Crosse de golf selon l'une des revendications 10 à 16, dont le manche (6) est en métal, caractérisée en ce que la masse de la tête (4) est inférieure à 0,255 kg.
- Crosse de golf selon l'une des revendications 10 à 16, caractérisée en ce que la masse de la tête est au plus égale à environ 0,245 kg.
- Crosse de golf selon l'une des revendications 10 à 18, caractérisée en ce que l'angle de face (b) est supérieur ou égal à environ 36,5°.
- Ensemble de crosses de golf appartenant à la catégorie des fers et comprenant chacune un manche (6) à une extrémité duquel est fixée une tête (4) ayant une face de frappe (11) formant un angle de face (b) avec un plan (V) contenant l'axe (7) du manche (6) et parallèle à un bord inférieur (12) de la face de frappe (11), cet ensemble comprenant une série de crosses dont les longueurs respectives mesurées le long de l'axe (7) du manche (6) varient en sens inverse des angles de face, caractérisée en ce que l'ensemble comprend en outre une crosse supplémentaire dont l'angle de face (b) est supérieur à 31° et dont la longueur (L) est dans la gamme de longueur des crosses de la série dont l'angle de face (b) est compris entre 15° et 26°.
- Ensemble de crosses selon la revendication 20, caracterisée en ce que la longueur de la crosse supplémentaire correspond sensiblement à la longueur (L) d'une crosse de la série dont l'angle de face est d'environ 20°.
- Ensemble de crosses de golf selon la revendication 20 ou 21, dans lequel les têtes des crosses de la série ont une masse variant dans le même sens que l'angle de face, caractérisé en ce que la masse de la tête de la crosse supplémentaire est dans la gamme de masse des têtes de crosses de la série dont l'angle de face est compris entre 15° et 26°.
- Ensemble de crosses de golf selon l'une des revendications 20 à 22, dans lequel le bord inférieur (12) de la face de frappe (11) de chaque crosse forme un angle d'assiette (a) avec l'axe (7) du manche (6), et cet angle croít avec l'angle de face (b) pour les crosses de la série, caractérisé en ce que l'angle d'assiette (a) de la crosse supplémentaire est dans la gamme des angles d'assiette des crosses de la série dont l'angle de face est compris entre 15° et 26°.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9205589 | 1992-05-06 | ||
FR929205589A FR2690852B1 (fr) | 1992-05-06 | 1992-05-06 | Crosse de golf de type "fer" produisant des trajectoires a la fois hautes et longues. |
PCT/FR1993/000439 WO1993022006A1 (fr) | 1992-05-06 | 1993-05-06 | Crosse de golf, de la categorie des fers, et ensemble de telles crosses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0639996A1 EP0639996A1 (fr) | 1995-03-01 |
EP0639996B1 true EP0639996B1 (fr) | 1999-08-18 |
Family
ID=9429592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93910092A Expired - Lifetime EP0639996B1 (fr) | 1992-05-06 | 1993-05-06 | Crosse de golf |
Country Status (8)
Country | Link |
---|---|
US (1) | US6293876B1 (fr) |
EP (1) | EP0639996B1 (fr) |
JP (1) | JPH07506273A (fr) |
AU (1) | AU683212B2 (fr) |
CA (1) | CA2135209A1 (fr) |
DE (1) | DE69326060T2 (fr) |
FR (1) | FR2690852B1 (fr) |
WO (1) | WO1993022006A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5549296A (en) * | 1995-03-10 | 1996-08-27 | Acushnet Company | Golf club sole configuration |
JP2002165908A (ja) * | 2000-09-21 | 2002-06-11 | Endo Mfg Co Ltd | アイアン形ゴルフクラブ |
DE20210514U1 (de) | 2002-07-05 | 2002-10-24 | Bechler, Jürgen, 80637 München | Golfschlägersatz, insbesondere für die Golf-Carvingtechnik |
US20080076605A1 (en) * | 2006-09-25 | 2008-03-27 | Us Kids Golf, Llc | Golf club fitting system based on golfer heights |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3416797A (en) * | 1965-06-17 | 1968-12-17 | Pfau Julius Henry | Golf club woods |
GB2170719B (en) * | 1984-12-25 | 1989-05-04 | Bridgestone Corp | Golf club set |
US4869507A (en) * | 1986-06-16 | 1989-09-26 | Players Golf, Inc. | Golf club |
US4784390A (en) * | 1987-04-15 | 1988-11-15 | James Schacht | Method of playing a matched set of gold clubs |
US4872683A (en) * | 1987-06-25 | 1989-10-10 | Robert H. Redkey | Golf club putter |
JPH0298967U (fr) * | 1989-01-24 | 1990-08-07 | ||
US4971321A (en) * | 1989-03-27 | 1990-11-20 | Davis C Michael | Constant swing golf club set |
US5133553A (en) | 1991-02-14 | 1992-07-28 | Divnick Stevan M | Adjustable golf club |
-
1992
- 1992-05-06 FR FR929205589A patent/FR2690852B1/fr not_active Expired - Fee Related
-
1993
- 1993-05-06 US US08/331,541 patent/US6293876B1/en not_active Expired - Fee Related
- 1993-05-06 CA CA002135209A patent/CA2135209A1/fr not_active Abandoned
- 1993-05-06 JP JP5519017A patent/JPH07506273A/ja active Pending
- 1993-05-06 AU AU40742/93A patent/AU683212B2/en not_active Ceased
- 1993-05-06 WO PCT/FR1993/000439 patent/WO1993022006A1/fr active IP Right Grant
- 1993-05-06 EP EP93910092A patent/EP0639996B1/fr not_active Expired - Lifetime
- 1993-05-06 DE DE69326060T patent/DE69326060T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6293876B1 (en) | 2001-09-25 |
FR2690852A1 (fr) | 1993-11-12 |
WO1993022006A1 (fr) | 1993-11-11 |
AU683212B2 (en) | 1997-11-06 |
CA2135209A1 (fr) | 1993-11-11 |
DE69326060T2 (de) | 2000-05-25 |
JPH07506273A (ja) | 1995-07-13 |
DE69326060D1 (de) | 1999-09-23 |
EP0639996A1 (fr) | 1995-03-01 |
AU4074293A (en) | 1993-11-29 |
FR2690852B1 (fr) | 1994-08-05 |
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