FR2450114A1 - Cadre de raquette permettant au centre tension et longueur egale des cordes - Google Patents
Cadre de raquette permettant au centre tension et longueur egale des cordesInfo
- Publication number
- FR2450114A1 FR2450114A1 FR7905910A FR7905910A FR2450114A1 FR 2450114 A1 FR2450114 A1 FR 2450114A1 FR 7905910 A FR7905910 A FR 7905910A FR 7905910 A FR7905910 A FR 7905910A FR 2450114 A1 FR2450114 A1 FR 2450114A1
- Authority
- FR
- France
- Prior art keywords
- equal
- flat surfaces
- frame
- polygon
- tensions
- 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.)
- Withdrawn
Links
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
-
- 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
- A63B51/00—Stringing tennis, badminton or like rackets; Strings therefor; Maintenance of racket strings
- A63B51/08—Diagonal stringing
-
- 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
- A63B2049/0217—Frames with variable thickness of the head in the string plane
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN CADRE DE RAQUETTE DONT LE PERIMETRE INTERIEUR PRESENTE DES SURFACES PLANES DISPOSEES SYMETRIQUEMENT PAR RAPPORT A UN AXE VIRTUEL PASSANT PAR LE CENTRE. CETTE DISPOSITION PERMET D'OBTENIR UNE TENSION UNIFORME ET UNE LONGUEUR EGALE DES CORDES. LE POURCENTAGE DE SURFACE D'IMPACT IDEALE AU MOMENT DE LA FRAPPE EST PLUS IMPORTANTE QUE DANS LES RAQUETTES CLASSIQUES ET LA REACTION DES CORDES DANS CETTE SURFACE PLUS UNIFORME. CETTE INVENTION PEUT S'APPLIQUER AUX RAQUETTES UTILISEES DANS LES JEUX DE BALLES TELS QUE TENNIS, SQUASH, BADMINGTON.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905910A FR2450114A1 (fr) | 1979-02-28 | 1979-02-28 | Cadre de raquette permettant au centre tension et longueur egale des cordes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7905910A FR2450114A1 (fr) | 1979-02-28 | 1979-02-28 | Cadre de raquette permettant au centre tension et longueur egale des cordes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2450114A1 true FR2450114A1 (fr) | 1980-09-26 |
Family
ID=9222874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7905910A Withdrawn FR2450114A1 (fr) | 1979-02-28 | 1979-02-28 | Cadre de raquette permettant au centre tension et longueur egale des cordes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2450114A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0173417A1 (fr) * | 1984-05-31 | 1986-03-05 | George C. Winkler | Raquette de tennis ou pareille avec col convexe |
EP0260208A1 (fr) * | 1986-09-11 | 1988-03-16 | Skis Rossignol S.A. | Raquette de tennis |
US4732384A (en) * | 1983-07-28 | 1988-03-22 | Seymour Robert J | Racquet having centralized sweet spot |
US5211691A (en) * | 1990-11-26 | 1993-05-18 | Donnay International S.A. | Tennis rackets |
FR3005268A1 (fr) * | 2013-05-03 | 2014-11-07 | Andre Vicente | Raquette de tennis comportant un cadre a pans casses |
-
1979
- 1979-02-28 FR FR7905910A patent/FR2450114A1/fr not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4732384A (en) * | 1983-07-28 | 1988-03-22 | Seymour Robert J | Racquet having centralized sweet spot |
EP0173417A1 (fr) * | 1984-05-31 | 1986-03-05 | George C. Winkler | Raquette de tennis ou pareille avec col convexe |
US4662634A (en) * | 1984-05-31 | 1987-05-05 | Chris Development Corporation | Tennis racket with convex throat |
EP0260208A1 (fr) * | 1986-09-11 | 1988-03-16 | Skis Rossignol S.A. | Raquette de tennis |
FR2603813A1 (fr) * | 1986-09-11 | 1988-03-18 | Rossignol Sa | Raquette de tennis |
US4834383A (en) * | 1986-09-11 | 1989-05-30 | Skis Rossignol S. A. | Tennis racket with equal string lengths |
US5211691A (en) * | 1990-11-26 | 1993-05-18 | Donnay International S.A. | Tennis rackets |
FR3005268A1 (fr) * | 2013-05-03 | 2014-11-07 | Andre Vicente | Raquette de tennis comportant un cadre a pans casses |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |