EP0344031B1 - Verbindung zwischen Schaft und Kopf eines Golfschlägers - Google Patents

Verbindung zwischen Schaft und Kopf eines Golfschlägers Download PDF

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Publication number
EP0344031B1
EP0344031B1 EP89401242A EP89401242A EP0344031B1 EP 0344031 B1 EP0344031 B1 EP 0344031B1 EP 89401242 A EP89401242 A EP 89401242A EP 89401242 A EP89401242 A EP 89401242A EP 0344031 B1 EP0344031 B1 EP 0344031B1
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EP
European Patent Office
Prior art keywords
projections
golf club
head
abutment
assembly part
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
Application number
EP89401242A
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English (en)
French (fr)
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EP0344031A1 (de
Inventor
Jack Desbiolles
André Pernelle
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Salomon SAS
Original Assignee
Salomon SAS
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Publication date
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Publication of EP0344031A1 publication Critical patent/EP0344031A1/de
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Publication of EP0344031B1 publication Critical patent/EP0344031B1/de
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Expired - Lifetime legal-status Critical Current

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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
    • A63B53/02—Joint structures between the head and the shaft
    • 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
    • A63B53/02—Joint structures between the head and the shaft
    • A63B53/022—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft
    • A63B53/023—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation
    • A63B53/025—Joint structures between the head and the shaft allowing adjustable positioning of the head with respect to the shaft adjustable angular orientation lie angle only, i.e. relative angular adjustment between the shaft and the club head about an axis parallel to the intended line of play when the club is in its normal address position

Definitions

  • the present invention relates to a method of assembling a handle and a head of a golf club, a head and a handle of a golf club adapted for the implementation of this method with the possibility of modification of the angle of "lie" of the handle.
  • a golf club consists of a generally metallic handle, and a head connected to the handle by an upward extension called "neck".
  • the assembly of the head and the handle is generally carried out by interlocking and bonding, in particular by gluing, of two assembly parts secured respectively to the head and the handle and having complementary support zones.
  • the head of the golf club constitutes the actual striking body. So that the strike is correct 2nd, it is necessary that this head rests well flat on the ground, the handle of the club then forming an angle determined relative to the horizontal (or vertical), this angle constituting the angle said of "lie” of the handle. It will easily be understood that the angle of lie of a golf club varies according to the golf player and that it essentially depends on the playing position and his stature.
  • an assembly device between a handle and a head of a golf club for varying the angle of lie uses two eccentric spacer rings which are interposed between the cylindrical lower end part of the club handle and a cylindrical blind hole provided in a cylindrical part of the neck of the head and in which the lower end part of the handle is engaged. Because the centers of the central holes of the two rings, through which the handle passes, may not be aligned along the axis of the neck, it is possible to slightly tilt the axis of the handle relative to that of the neck and therefore of the head.
  • such an assembly device does not make it possible to obtain without any doubt a lie angle having a predetermined value and easily reproducible in a large number of clubs produced in series.
  • FIG. 1 Another assembly device for making varying the angle of the dreg is described in patent US-A-2 219 670.
  • This device uses an intermediate element, forming an adapter, interposed between the lower end of the handle which engages in this adapter, and the neck of the head.
  • This neck has a hole in the shape of a pyramid trunk in which is tightly fitted and immobilized by means of a screw, in one of several possible positions around an axis, a barrel, having the shape of a trunk of complementary pyramid, constituting the extreme part of the adapter.
  • This adapter further comprises a body in which the lower end portion of the handle is engaged, the axis of this body being inclined at a small angle relative to the axis of the trunk in the form of a trunk of pyramid.
  • Such an assembly device has the disadvantage of having a relatively complex structure and moreover it is not accepted by the regulations governing the practice of golf and which provides for the impossibility for a golfer to be able to modify at will, during a course, using an appropriate tool, such as a screwdriver, the orientation of the handle of his club relative to his head.
  • the object of the present invention is to remedy these drawbacks and to provide a method of assembling a golf club, of the type in which the assembly is carried out by interlocking and bonding of two assembly parts having zones of '' support complementary and respectively integral with the handle and the head of the club, which is inexpensive to put in use, which does not cause any deformation of the handle or of the club head, and which makes it possible to obtain the desired lie angle with great precision.
  • this method of assembling a handle and a head of a golf club with the possibility of modifying the angle of lie of the handle of the club of the type in which the assembly is carried out by interlocking and connection of two assembly parts having complementary support zones and respectively integral with the handle and the head of the golf club, in which the relative angular position of the two assembly parts is modified by modifying the support points of the interior assembly part in the exterior assembly part at the time of their nesting, is characterized in that different support points of the interior assembly part are provided in the exterior assembly part according to the different desired lie angles and only the support point or points corresponding to the desired lie angle are retained at the time of fitting.
  • a golf club 10 in this case a "putter”, which consists of a handle 20 and a head 30 connected to the handle 20 by an upward extension 40 called “neck” .
  • the handle 20 of the club In order for the golf ball to be hit with the club 10 correctly, it is necessary for the head 30 of the club to lie flat on the ground, the handle 20 of the club then forming a determined angle a or angle of lie by vertical (or horizontal). This angle of lie varies according to the player and depends on the playing position and the stature of the player.
  • three main lie angles are generally defined corresponding to three positions of the player, namely a middle position A and two positions B and C obtained by offset of approximately 1.5 ° on either side of the middle position.
  • FIG. 2 shows a golf club 10 assembled using the method according to the invention
  • its handle 20 is, in a manner known per se, formed of a metal tube, generally made of hardened steel.
  • the handle 20 is cylindrical over almost its entire length, that is to say in its part 21 going from its upper end to near its end lower. At its lower end, the handle 20 has a portion 22 for assembly with the head of the club, and which constitutes the exterior assembly portion of the club.
  • the outer assembly portion 22a externally, a conical shape flattened on two diametrically opposite sides 22a, these flat faces 22a being connected together by two opposite conical surface portions 22b, which gives it a slightly oval cross section.
  • This assembly part also has internally, due to the tubular shape of the handle 20, a bearing surface 24 of conical shape flattened on two diametrically opposite sides.
  • the two parts 21, 22 of the handle 20 also have the same longitudinal axis 25.
  • the head 30 of the golf club which in this case is that of a putter, has an upward extension which constitutes its neck 40 and which is separated from the head by a shoulder 35.
  • This neck 40, d 'longitudinal axis 41, is intended to be threaded into the assembly part 22 of the handle and it constitutes the interior assembly part of the club.
  • the neck 40 has a generally conical shape, flattened on two diametrically opposite sides 40a, these two flat faces 40a being connected together by two opposite conical surface portions 40b, which also gives it a slightly oval cross section.
  • Such a flattened shape allows precise positioning of the two assembly parts 22, 40 when they fit together and is therefore particularly advantageous.
  • the conicities of the two assembly parts 22.40 are different, the cone angle of the interior assembly part 40 being greater than that of the exterior assembly part 22.
  • the cone angel of the internal assembly part 40 is equal to approximately 20 °, while the cone angle of the external assembly part 22 is equal to approximately 10 °.
  • six support projections 43,44,45,46,47 and 48 are provided on the outer casing of the upper end of the neck 40. These projections are arranged in series of two s' staggering along the longitudinal axis 41 of the neck 40 and increasing in thickness from the upper end of the neck to its lower shoulder 35. Thus the two upper projections 43,44 are less thick than the two intermediate projections 45, 46 themselves thinner than the two lower projections 47,48.
  • the two projections of each series are diametrically opposite and are respectively arranged on the two opposite curved parts 40b of the envelope of the neck 40.
  • the two intermediate projections 45, 46 are formed so as to delimit with the longitudinal axis 41 of the neck an envelope 51, with opposite lateral faces converging upwards at an angle corresponding to the conical envelope formed by the opposite curved parts of the external bearing surface 24 of the assembly part 22.
  • such an envelope will therefore have a convergence angle of approximately 10 °.
  • the two upper left 43 and lower right 48 projections are also formed so as to delimit an envelope 52, with opposite lateral faces converging upwards at an angle corresponding to that of the internal bearing surface 24 of the assembly part. 22, but whose longitudinal axis 50 is inclined to the right in Figure 4, relative to the longitudinal axis 41 of the neck.
  • the angle b of inclination of the axis 49 relative to the axis 41 of the neck 40 is equal to about 1.5 °.
  • the last two projections namely the upper right projection 44 and the lower left projection 47, are finally formed so as to delimit an envelope 53, with opposite lateral faces converging upwards at an angle which corresponds to that of the interior bearing surface. 24 of the assembly part 22 and whose longitudinal axis 50 is inclined to the left in FIG. 4, by an angle b relative to the longitudinal axis 41 at the neck 40, this angle also being equal to 1, 5 °.
  • each pair of support projections 45.46; 43.48 and 44.47 corresponds respectively to one of the respective positions A, B and C defined in FIG. 1, the pair of intermediate projections 45.46 being associated with the median "standard" position A, while the other two pairs of support projections 43,48 and 44,47 are associated with the respective positions B and C, offset by 1.5 ° relative to the median position on either side thereof.
  • the assembly of the club using the method according to the invention is carried out as follows. First, the pair of protrusions to be used as support points is selected according to the desired lie angle, the other protrusions being removed. For example, if you want a "standard" lie angle, you remove the projections 43,44,47 and 48 and keep only the projections 45,46 ( Figure 6).
  • the neck 40 of the club head is then introduced into the lower extreme part 22 of the handle until its support projections 45, 46 come to bear against the inner surface 24 of the handle 20, the lower end of the latter. then being in abutment against the shoulder 35. At this moment the neck 40 is perfectly coaxial with respect to the handle 20, its axis 41 being aligned with the axis 25 thereof.
  • the assembly is completed by means of an adhesive previously introduced into the assembly part 22 of the handle 20.
  • This adhesive will preferably consist of an epoxy-type resin, such a material serving both as a connecting element and filling element of the space between the two assembly parts 22.40.
  • another means or connecting element can be provided depending on the materials used.
  • a wedge-shaped assembly washer 60 can be used to fill the space left between the shoulder 35 of the neck 40 and the lower edge of the handle 20, as shown in FIGS. 7 and 8.
  • This assembly process also makes it possible to avoid any plastic deformation of the handle or of the neck of the head, and Therefore considerably reduces the risks of breakage of these.
  • this assembly process is particularly suitable for the manufacture of clubs (in particular putters) having a head made of plastic that is difficult to deform.
  • the assembly method described is not limited to the number or the value of the angles of lie described. Such a method can in particular be used to obtain a lower number or a greater number of lie angles or different lie angles.
  • a single projection can be used to define a position of the neck inside the handle relative to a middle position.
  • at least three projections may be associated with each position, these projections then preferably being distributed angularly in a regular manner.
  • the provision of two protrusions for each angle of lie allows an optimal "wedging" effect of the neck to be obtained inside the handle, in particular in the case where the latter has two flattened parts in the assembly zone. .
  • the projections 43,44,45,46,47,48 can be provided on the external assembly part 22, instead of the internal part 40, as shown in FIG. 9 .
  • projections used to modify the support points can be produced on an intermediate piece interposed between the interior assembly part and the internal wall of the exterior assembly part.
  • the assembly method according to the invention is not limited to an application to putters but can also be used for mounting other types of club such as irons or wood.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Golf Clubs (AREA)

Claims (19)

1. Verfahren zum Zusammenbau einer Griffstange (20) und eines Kopfes (30) eines Golfschlägers (10) mit des Möglichkeit der Änderung des Anstellwinkels der Griffstange des Schlägers, bei welchem das Zusammensetzen durch Zusammenfügen und Verbinden zweier Kopplungsteils (22,40) erfolgt, welche komplementäre sowie mit der Griffstange (20) bzw. dem Kopf (30) des Golfschlägers zusammenhängende Anlageflächen aufweisen und bei welchem man die Winkellage der beiden Kopplungsteile (22,40) im Bezug aufeinander einstellt, indem man die Anlagepunkte des inneren Kopplunsteiles (40) im äußeren Kopplungsteil (22) bei ihrem Zusammenfügen einstellt, dadurch gekennzeichnet, daß man verschiedene Anlagepunkte des inneren Kopplungsteiles (40) in äußeren Kopplungsteil (22) als Funktion verschiedener gewünschter Antellwinkel vorsieht und man im Augenblick des Zusammenfügens nur den Anlagepunkt oder die Anlagepunkte entsprechend dem gewünschten Anstellwinkel beibehält.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß man als Anlagepunkte lösbare Vorsprünge (43,44,45,46, 47,48) verwendet, die an der seitlichen Wand des inneren Kopplungsteiles (40) oder an der Innenwand des äußeren Kopplungsteiles (22) vorgesehen sind.
3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß man zur Festlegung jedes Anstellwinkels mehrere Vorsprünge (45,46;43,48;44,47) verwendet, die in regelmäßigen Winkeln auf den Umfang der Anlagefläche verteilt sind.
4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß man zum Festlegen jedes Wertes des Anstellwinkels zwei Vorsprünge (45,46;43,48;44,47) verwendet, die einander diametral gegenüberliegen.
5. Verfahren nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß jeder Vorsprung (45,46;43,48;44,47), der einem bestimmten Wert des Anstellwinkels zugeordnet ist, mit den anderen Anlagepunkten, die diesem Wert entsprechen, eine entsprechende Anlageflächen-Einhüllende (51,52,53) definiert, welche zur Anlagefläche (44) des anderen Kopplungsteiles (22) komplementär ist und deren jeweilige Achse (41,49,50) bezüglich der Achse (41) des inneren oder äußeren (40) Kopplungsteiles um einen Winkel geneigt ist, der dem der vorgegebenen Winkelstellung entspricht.
6. Verfahren nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Vorsprünge (43,44,45,46,47,48) auf der Außenwand des inneren Kopplungsteiles (40) gebildet sind.
7. Verfahren nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß die Anlageflächen (51,52,53) Flächen mit konvergierenden Seiten sind.
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß der äußere Kopplungsteil (22) sowie seine innere Anlagefläche (24) zwei einander diametral gegenüberliegende ebene Flächen (22a,) enthält, die durch einander gegenüberliegende Teile einer konischen Fläche (22b) verbunden sind.
9. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Verbindung der beiden Teile nach dem Zusammensetzen durch Kleben mittels eines Epoxyharz- oder ähnlichen Klebers erfolgt, der die Zwischenräume zwischen den Oberflächen der Kopplungsteile (22,40) auszufüllen vermag.
10. Kopf für einen Golfschläger mit einem Hals (40), der sich längs einer Längsachse (4) nach oben erstreckt und mindestens zum Teil aus einem inneren Kopplungsteil besteht, das für den Eingriff und die Befestigung im untersten, rohrförmigen Teil (22) einer Griffstange (20), die einen äußeren Kopplungsteil aufweist, geeignet ist, um einen Golfschläger zu bilden, dadurch gekennzeichnet, daß er mehrere Vorsprünge (43 bis 48) enthält, die in Reihen von mindestens zwei diametral gegenüberliegenden Vorsprüngen beiderseits der Längsachse (41) angeordnet sind und daß die Reihen von Vorsprüngne längs der Längsachse (41) abgestuft sind.
11. Kopt für einen Golfschäger nach Anspruch 10, dadurch gekennzeichnet, daß er sechs Anlage-Vorsprünge (43,44,45,46,47,48) enthält, die in drei Sätzen zu je zwei entgegengesetzten Vorsprüngen angeordnet sind und daß die Vorsprünge Anlagepunkte des Halses im äußeren Kopplungsteil (22) der Griffstange (20) bilden.
12. Kopf für einen Golfschläger nach Anspruch 11, dadurch gekennzeichnet, daß die Vorsprünge jedes Paares (45,46;43,48;47,44) jeweils eine entsprechende Hüllfläche (51,52,53) mit gegenüberliegenden Seitenflächen definieren, die mit einem Winkel konvergieren, der dem der Hüllfläche der Anlagefläche (24) des äußeren Kopplungsteiles (22) entsprechen.
13. Kopf für einen Golfschläger nach Anspruch 12, dadurch gekennzeichnet, daß die Hüllkurve Seitenflächen (51,52,53) mit einem Konvergenzwinkel von ungefähr 10° aufweisen.
14. Kopf für einen Golfschläger nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß die Achse der Hüllfläche (51) mit den konvergierenden Seitenflächen koaxial zu der (41) des Halses (40) ist und daß die Achse (49,50) der jeweiligen Hüllflächen (52,53) mit den konvergierenden Seitenflächen um einen Winkel (b) bezüglich der Achse (41) des Halses geneigt ist.
15. Kopf für einen Golfschläger nach Anspruch 14, dadurch gekennzeichnet, daß der Neigungswinkel (b) gleich 1,5° ist.
16. Kopt für einen Golfschläger nach einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, daß geschwächte Zonen auf der Höhe der Verbindung der jeweiligen Vorsprünge (43,44,45,46,47,48) mit dem Hals (40) vorgesehen sind.
17. Kopf für einen Golfschläger nach einem der Ansprüche 10 bis 16, dadurch gekennzeichnet, daß er einen Hals (40) mit einem in wesentlichen ovalen Querschnitt hat.
18. Kopf für einen Golfschläger nach Anspruch 17, dadurch gekennzeichnet, daß sein Hals (40) eine im wesentlichen konische Form mit abgeflachten entgegengesetzten Seiten (40a) hat.
19. Griffstange für einen Golfschläger, die sich längs einer Längsachse (85) erstreckt und in ihrem unteren Teil einen äußeren rohrförmigen Kopplunsteil (22) aufweist, der zum Einsetzen und Befestigen eines inneren Kopplungsteiles bestimmt ist, der aus einem sich nach oben ertreckenden Hals (40) eines Golfschlägerkopfes (30) besteht, um einen Golfschläger zu bilden, dadurch gekennzeichnet, daß der äußere Kopplungsteil (22) mehrere Vorsprünge (43 bis 48) aufweist, die in Sätzen von mindestens zwei Vorsprüngen einander bezüglich der Längsachse (25) diametral gegenüberliegen angeordnet sind und daß die Vorsprünge längs der Längsachse (25) abgestuft sind.
EP89401242A 1988-05-02 1989-05-02 Verbindung zwischen Schaft und Kopf eines Golfschlägers Expired - Lifetime EP0344031B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8806187 1988-05-02
FR8806187A FR2630655A1 (fr) 1988-05-02 1988-05-02 Procede d'assemblage d'un manche et d'une tete de club de golf avec possibilite de modification de l'angle de " lie " du manche et club de golf assemble a l'aide de ce procede

Publications (2)

Publication Number Publication Date
EP0344031A1 EP0344031A1 (de) 1989-11-29
EP0344031B1 true EP0344031B1 (de) 1992-04-15

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EP89401242A Expired - Lifetime EP0344031B1 (de) 1988-05-02 1989-05-02 Verbindung zwischen Schaft und Kopf eines Golfschlägers

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US (1) US4984794A (de)
EP (1) EP0344031B1 (de)
JP (1) JPH01320075A (de)
DE (1) DE68901214D1 (de)
FR (1) FR2630655A1 (de)

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CN103889518B (zh) 2011-08-23 2016-11-23 耐克创新有限合伙公司 一种高尔夫球杆头部/杆身连接组件及高尔夫球杆
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Also Published As

Publication number Publication date
FR2630655A1 (fr) 1989-11-03
JPH01320075A (ja) 1989-12-26
US4984794A (en) 1991-01-15
DE68901214D1 (de) 1992-05-21
EP0344031A1 (de) 1989-11-29

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