EP0299568A2 - Racket for tennis, squash or a similar sport - Google Patents

Racket for tennis, squash or a similar sport Download PDF

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Publication number
EP0299568A2
EP0299568A2 EP88201404A EP88201404A EP0299568A2 EP 0299568 A2 EP0299568 A2 EP 0299568A2 EP 88201404 A EP88201404 A EP 88201404A EP 88201404 A EP88201404 A EP 88201404A EP 0299568 A2 EP0299568 A2 EP 0299568A2
Authority
EP
European Patent Office
Prior art keywords
racket
handle
branches
aforementioned
basket
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
EP88201404A
Other languages
German (de)
French (fr)
Other versions
EP0299568A3 (en
EP0299568B1 (en
Inventor
Joris Van Raemdonck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Donnay International SA
Original Assignee
"etablissements Donnay" En Abrege "donnay Sa"
Donnay SA
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 by "etablissements Donnay" En Abrege "donnay Sa", Donnay SA filed Critical "etablissements Donnay" En Abrege "donnay Sa"
Priority to AT88201404T priority Critical patent/ATE75154T1/en
Publication of EP0299568A2 publication Critical patent/EP0299568A2/en
Publication of EP0299568A3 publication Critical patent/EP0299568A3/en
Application granted granted Critical
Publication of EP0299568B1 publication Critical patent/EP0299568B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B49/03—Frames characterised by throat sections, i.e. sections or elements 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
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B2049/0201—Frames with defined head dimensions
    • A63B2049/0203—Frames with defined head dimensions height
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • A63B2049/0207—Frames with defined overall length

Definitions

  • the present invention relates to a tennis racket, squash or similar sport essentially comprising a handle consisting of a handle and two branches which connect the handle to the basket.
  • the object of the invention is to produce a racket whose striking characteristics, due in particular to a greater flexibility of the handle of the racket, are considerably improved by comparison with tennis or squash rackets of similar type.
  • Snowshoes of similar type are in reality snowshoes obtained by current techniques making use of so-called “composite" materials having the characteristics described above.
  • the object of the invention is also to produce a racket, the vibrations of which striking the ball are considerably improved and their transmission to the player's arm considerably attenuated.
  • the aforementioned branches have, from the place where they are connected to the aforementioned basket, a section whose height decreases from the aforementioned place towards the aforementioned handle to reach a section of minimum height at a point which is situated at about two thirds of the distance between the free end of the handle of the racket and the place where the aforementioned branches are connected to the racket basket.
  • the aforementioned basket of the racket has a section of constant height.
  • the aforementioned minimum height section is located, for a total length of the handle of the racket equivalent to approximately 382 mm, at a distance from the free end of the racket which is between 215 and 255 mm.
  • the constant height of the racket basket is between 25 and 27 mm while the aforementioned minimum height of the branches of the racket is between 16.3 and 17.2 mm and is preferably 16, 8 mm.
  • the racket according to the invention produced as said in the preamble, by one of the techniques using the use of so-called "composite” materials, is essentially characterized by the decreasing height of the branches 1 of the racket from the point where these are connected to the basket 2 in the direction of the handle 3 of the racket.
  • the minimum height section is therefore indicated by the line A-A ′ in FIG. 2 and it occurs in this part of the handle which is constituted by the branches 1.
  • Figure 2 clearly shows that the height of the branches 1 decreases from a place designated by line BB ′ in the direction of line AA ′ where the height of the branches 1 reaches a minimum value.
  • the line B-B ′ denotes, in FIG. 2, the place where the branches are fully connected to the basket 2 of the racket.
  • the bulge 4 could be eliminated at least in its profile as shown in FIG. 2.
  • the height of the basket 2 of the racket being constant, it is between 25 and 27 mm, the ideal height being 26 mm.
  • the branches 3 therefore have, at the place where they separate from the basket 2, an identical height. This height gradually decreases to reach, at the height of line A-A ′, a value between 16.3 and 17.2 mm.
  • the ideal height corresponding on the other hand to the dimensions in the longitudinal direction of the racket given below is 16.8 mm.
  • the dimensions in the longitudinal direction of the racket are, as for the handle itself, i.e. the handle 3 and the arms 1, 382 mm.
  • the distance which then separates the line A-A ′ from the free end of the handle of the racket is between 215 and 255 mm.
  • the place where the height of the branches 3 reaches a minimum value is therefore around two-thirds the distance between the free end of the handle 3 and the point where the arms 1 connect to the basket 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pulmonology (AREA)
  • Laminated Bodies (AREA)
  • Golf Clubs (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Toys (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

A racquet for tennis, squash or a similar sport, essentially comprising a handle and a head forming the string part, it being possible for the handle to be connected directly to the head or via two branches, characterised in that the abovementioned handle (3), if appropriate the abovementioned branches (1), has a zone of smaller section, the section of the handle, if appropriate of the above- mentioned branches, increasing progressively in the direction of the head of the racquet. <IMAGE>

Description

La présente invention se rapporte à une raquette de tennis, de squash ou de sport analogue comportant essentiellement un manche constitué d'une poignée et de deux branches qui raccordent la poignée au panier.The present invention relates to a tennis racket, squash or similar sport essentially comprising a handle consisting of a handle and two branches which connect the handle to the basket.

Le but de l'invention est de réaliser une raquette dont les caractéristiques de frappe, dues notamment à une plus grande flexibilité du manche de la raquette, se trouvent considé­rablement améliorées par comparaison avec des raquettes de tennis ou de squash de type analogue. Des raquettes de type analogue sont en réalité des raquettes obtenues par les techniques courantes faisant usage de matières dites "composites" présentant les caractéristiques décrites ci-dessus.The object of the invention is to produce a racket whose striking characteristics, due in particular to a greater flexibility of the handle of the racket, are considerably improved by comparison with tennis or squash rackets of similar type. Snowshoes of similar type are in reality snowshoes obtained by current techniques making use of so-called "composite" materials having the characteristics described above.

L'invention a également pour objet de réa­liser une raquette dont les vibrations résultant de la frappe de la balle sont sensiblement améliorées et leur transmission au bras du joueur considérablement atténuées.The object of the invention is also to produce a racket, the vibrations of which striking the ball are considerably improved and their transmission to the player's arm considerably attenuated.

Pour réaliser ces objectifs conformément à l'invention, les branches précitées présentent, à partir de l'endroit où elles se raccordent au panier précité, une section dont la hauteur va en décroissant à partir de l'endroit précité en direction de la poignée précitée pour atteindre une section de hauteur minimale en un point qui est situé aux deux tiers environ de la distance qui sépare l'extrémité libre de la poignée de la raquette de l'endroit où les branches précitées se raccordent au panier de la raquette.To achieve these objectives in accordance with the invention, the aforementioned branches have, from the place where they are connected to the aforementioned basket, a section whose height decreases from the aforementioned place towards the aforementioned handle to reach a section of minimum height at a point which is situated at about two thirds of the distance between the free end of the handle of the racket and the place where the aforementioned branches are connected to the racket basket.

Toujours selon l'invention, le panier précité de la raquette présente une section de hauteur constante.Still according to the invention, the aforementioned basket of the racket has a section of constant height.

Dans une forme de réalisation préféren­tielle, la section de hauteur minimale précitée se situe, pour une longueur totale du manche de la raquette équivalant à environ 382 mm, à une distance de l'extrémité libre de la raquette qui se situe entre 215 et 255 mm.In a preferred embodiment, the aforementioned minimum height section is located, for a total length of the handle of the racket equivalent to approximately 382 mm, at a distance from the free end of the racket which is between 215 and 255 mm.

Toujours selon l'invention, la hauteur con­stante du panier de la raquette se situe entre 25 et 27 mm tandis que la hauteur minimale précitée des branches de la raquette se situe entre 16,3 et 17,2 mm et est de préférence de 16,8 mm.Still according to the invention, the constant height of the racket basket is between 25 and 27 mm while the aforementioned minimum height of the branches of the racket is between 16.3 and 17.2 mm and is preferably 16, 8 mm.

D'autres détails et avantages de l'invention ressortiront de la description qui sera donnée ci-après d'une raquette de tennis, de squash ou de sport analogue selon l'invention. Cette description n'est donnée qu'à titre d'exemple et ne limite pas l'inven­tion.

  • La figure 1 est une vue en élévation d'une partie de la raquette selon l'invention, le coeur de la raquette formé d'une partie du panier, des deux branches et de la partie du manche située à la jonction des deux branches.
  • La figure 2 est une vue de profil des mêmes parties de la raquette selon la figure 1.
Other details and advantages of the invention will emerge from the description which will be given below of a tennis, squash or similar sport racket according to the invention. This description is given by way of example only and does not limit the invention.
  • Figure 1 is an elevational view of part of the racket according to the invention, the heart of the racket formed by a part of the basket, the two branches and the part of the handle located at the junction of the two branches.
  • FIG. 2 is a side view of the same parts of the racket according to FIG. 1.

La raquette selon l'invention, réalisée comme dit dans le préambule, par une des techniques faisant appel à l'utilisation de matières dites "composites", est essentiellement caracté­risée par la hauteur décroissante des branches 1 de la raquette à partir de l'endroit où celles-ci se raccordent au panier 2 en direction de la poignée 3 de la raquette.The racket according to the invention, produced as said in the preamble, by one of the techniques using the use of so-called "composite" materials, is essentially characterized by the decreasing height of the branches 1 of the racket from the point where these are connected to the basket 2 in the direction of the handle 3 of the racket.

Dans ce texte l'expression "hauteur", s'ap­pliquant aussi bien au panier 2 qu'aux branches 1 de la raquette, désigne l'épaisseur de ces éléments de la raquette, vus de profil. Le profil de la raquette selon l'invention est reproduit partiellement à la figure 2. La raquette peut, selon cette figure, être vue posée verticale­ment sur son manche ou posée horizontalement.In this text the expression "height", applying both to basket 2 and to branches 1 of the racket, designates the thickness of these elements of the racket, seen in profile. The profile of the racket according to the invention is partially reproduced in Figure 2. The racket can, according to this figure, be seen placed vertically on its handle or placed horizontally.

La section de hauteur minimale est donc indiquée par la ligne A-A′ à la figure 2 et elle intervient dans cette partie du manche qui est constituée par les branches 1.The minimum height section is therefore indicated by the line A-A ′ in FIG. 2 and it occurs in this part of the handle which is constituted by the branches 1.

La figure 2 montre clairement que la hauteur des branches 1 va en diminuant depuis un endroit désigné par la ligne B-B′ en direction de la ligne A-A′ où la hauteur des branches 1 atteind une valeur minimale.Figure 2 clearly shows that the height of the branches 1 decreases from a place designated by line BB ′ in the direction of line AA ′ where the height of the branches 1 reaches a minimum value.

La ligne B-B′ désigne, à la figure 2, l'en­droit où les branches se sont entièrement raccordées au panier 2 de la raquette.The line B-B ′ denotes, in FIG. 2, the place where the branches are fully connected to the basket 2 of the racket.

Au-delà de la ligne A-A′, en direction de l'extrémité libre du manche 3, on remarque encore un renflement 4 qui n'a pas d'influence sur la résistance ni la rigidité du manche de la raquette mais qui est destiné à donner naissance, par moulage ou injection, à la partie de la raquette formant poignée. La poignée présentera un profil adapté en vue d'une bonne prise du manche. Ce profil n'est pas représenté aux figures.Beyond the line AA ′, towards the free end of the handle 3, there is also a bulge 4 which has no influence on the resistance or the rigidity of the handle of the racket but which is intended for give birth, by molding or injection, to the part of the racket forming a handle. The handle will have a suitable profile for a good grip of the handle. This profile is not shown in the figures.

Dans une variante possible le renflement 4 pourrait être supprimé tout au moins dans son profil tel que représenté à la figure 2.In a possible variant, the bulge 4 could be eliminated at least in its profile as shown in FIG. 2.

Les mesures données ci-après à titre d'exemple sont données parce qu'elles constituent une forme de réalisation préférentielle et assurent la plus grande flexibilité possible du manche combinée à une rigidité optimale du panier.The measures given below by way of example are given because they constitute a preferred embodiment and ensure the greatest possible flexibility of the handle combined with optimal rigidity of the basket.

La hauteur du panier 2 de la raquette étant constante, celle-ci se situe entre 25 et 27 mm, la hauteur idéale étant de 26 mm.The height of the basket 2 of the racket being constant, it is between 25 and 27 mm, the ideal height being 26 mm.

Les branches 3 ont donc, à l'endroit où elles se séparent du panier 2 une hauteur identique. Cette hauteur va progressivement en diminuant pour atteindre, à hauteur de la ligne A-A′, une valeur comprise entre 16,3 et 17,2 mm. La hauteur idéale correspondant d'autre part aux dimensions dans le sens longitudinal de la raquette donnée ci-après est de 16,8 mm.The branches 3 therefore have, at the place where they separate from the basket 2, an identical height. This height gradually decreases to reach, at the height of line A-A ′, a value between 16.3 and 17.2 mm. The ideal height corresponding on the other hand to the dimensions in the longitudinal direction of the racket given below is 16.8 mm.

Les dimensions dans le sens longitudinal de la raquette sont, quant au manche proprement dit, c.à.d. la poignée 3 et les branches 1, de 382 mm. La distance qui sépare alors la ligne A-A′ de l'extrémité libre du manche de la raquette se situe entre 215 et 255 mm.The dimensions in the longitudinal direction of the racket are, as for the handle itself, i.e. the handle 3 and the arms 1, 382 mm. The distance which then separates the line A-A ′ from the free end of the handle of the racket is between 215 and 255 mm.

L'endroit où la hauteur des branches 3 atteint une valeur minimale se situe donc aux environs des deux tiers de la distance qui sépare l'extrémité libre de la poignée 3 de l'endroit où les branches 1 se raccordent au panier 2.The place where the height of the branches 3 reaches a minimum value is therefore around two-thirds the distance between the free end of the handle 3 and the point where the arms 1 connect to the basket 2.

Ces dimensions considérées comme idéales, résultent des tests et d'essais en laboratoire et il est évident qu'en fonction des matériaux composites utilisés et des dimensions du panier, celles-ci peuvent être adaptées sans sortir de l'esprit de la présente demande de brevet.These dimensions considered to be ideal, result from tests and laboratory tests and it is obvious that according to the composite materials used and the dimensions of the basket, these can be adapted without departing from the spirit of the present application for patent.

Claims (6)

1. Raquette de tennis, de squash ou de sport analogue comportant essentiellement un manche constitué d'une poignée et de deux branches qui raccordent la poignée au panier, caractérisée en ce que les branches précitées (1) présentent, à partir de l'endroit où elles se raccordent au panier précité (2), une section dont la hauteur va en décroissant à partir de l'endroit précité en direction de la poignée précitée pour atteindre une section de hauteur minimale en un point qui est situé aux deux tiers environ de la distance qui sépare l'extrémité libre de la poignée de la raquette de l'endroit où les branches précitées (1) se raccordent au panier (2) de la raquette.1. Tennis, squash or similar sport racket essentially comprising a handle consisting of a handle and two branches which connect the handle to the basket, characterized in that the abovementioned branches (1) have, from the place where they connect to the aforementioned basket (2), a section whose height decreases from the aforementioned place towards the aforementioned handle to reach a minimum height section at a point which is located at about two-thirds of the distance between the free end of the handle of the racket and the place where the aforementioned arms (1) are connected to the basket (2) of the racket. 2. Raquette selon la revendication 1, carac­térisée en ce que le panier précité (2) de la raquette présente une hauteur constante.2. Racket according to claim 1, characterized in that the aforementioned basket (2) of the racket has a constant height. 3. Raquette selon l'une quelconque des revendications 1 et 2, caractérisée en ce que la section de hauteur minimale précitée se situe, pour une longueur totale du manche de la raquette équivalent à environ 382 mm, à une distance de l'extrémité libre du manche de la raquette qui se situe entre 215 et 255 mm.3. Racket according to any one of claims 1 and 2, characterized in that the aforementioned minimum height section is, for a total length of the handle of the racket equivalent to approximately 382 mm, at a distance from the free end the handle of the racket which is between 215 and 255 mm. 4. Raquette selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la hauteur constante du panier de la raquette se situe entre 25 et 27 mm.4. Racket according to any one of claims 1 to 3, characterized in that the constant height of the racket basket is between 25 and 27 mm. 5. Raquette selon l'une quelconque des revendications 1 à 4, caractérisée en ce que la hauteur minimale précitée des branches 3 de la raquette se situe entre 16,3 et 17,2 mm.5. Racket according to any one of claims 1 to 4, characterized in that the aforementioned minimum height of the branches 3 of the racket is between 16.3 and 17.2 mm. 6. Raquette selon la revendication 5, carac­térisée en ce que la hauteur minimale précitée des branches de la raquette est de 16,8 mm.6. Racket according to claim 5, characterized in that the aforementioned minimum height of the branches of the racket is 16.8 mm.
EP88201404A 1987-07-14 1988-07-05 Racket for tennis, squash or a similar sport Expired - Lifetime EP0299568B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88201404T ATE75154T1 (en) 1987-07-14 1988-07-05 RACKETS FOR BALL GAMES SUCH AS TENNIS OR SQUASH.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8700781 1987-07-14
BE8700781A BE1000689A6 (en) 1987-07-14 1987-07-14 Tennis racket, squash sport or similar.

Publications (3)

Publication Number Publication Date
EP0299568A2 true EP0299568A2 (en) 1989-01-18
EP0299568A3 EP0299568A3 (en) 1989-08-16
EP0299568B1 EP0299568B1 (en) 1992-04-22

Family

ID=3882767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88201404A Expired - Lifetime EP0299568B1 (en) 1987-07-14 1988-07-05 Racket for tennis, squash or a similar sport

Country Status (6)

Country Link
EP (1) EP0299568B1 (en)
JP (1) JPS6429277A (en)
AT (1) ATE75154T1 (en)
BE (1) BE1000689A6 (en)
DE (1) DE3870340D1 (en)
ES (1) ES2030495T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487963A1 (en) * 1990-11-26 1992-06-03 S.A. Donnay International Tennis racket

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW402591B (en) 1997-07-11 2000-08-21 Janssen Pharmaceutica Nv Monocyclic benzamides of 3- or 4-substituted 4-(aminomethyl)-piperidine derivatives

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1321235A (en) * 1969-10-29 1973-06-27 Dunlop Holdings Ltd Sports implements
FR2352562A1 (en) * 1976-05-27 1977-12-23 Nippon Musical Instruments Mfg PERFECTED RACKET

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526377U (en) * 1975-06-27 1977-01-17
ATE26922T1 (en) * 1983-09-07 1987-05-15 Mohammed Hussein Lotfy RACKET FOR A BALL GAME.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1321235A (en) * 1969-10-29 1973-06-27 Dunlop Holdings Ltd Sports implements
FR2352562A1 (en) * 1976-05-27 1977-12-23 Nippon Musical Instruments Mfg PERFECTED RACKET

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487963A1 (en) * 1990-11-26 1992-06-03 S.A. Donnay International Tennis racket
EP0671186A1 (en) * 1990-11-26 1995-09-13 S.A. Donnay International Tennis racket

Also Published As

Publication number Publication date
DE3870340D1 (en) 1992-05-27
EP0299568A3 (en) 1989-08-16
EP0299568B1 (en) 1992-04-22
JPS6429277A (en) 1989-01-31
ES2030495T3 (en) 1992-11-01
BE1000689A6 (en) 1989-03-14
ATE75154T1 (en) 1992-05-15

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