GB234021A - Improvements in or relating to lawn tennis or the like racquets - Google Patents
Improvements in or relating to lawn tennis or the like racquetsInfo
- Publication number
- GB234021A GB234021A GB3168/25A GB316825A GB234021A GB 234021 A GB234021 A GB 234021A GB 3168/25 A GB3168/25 A GB 3168/25A GB 316825 A GB316825 A GB 316825A GB 234021 A GB234021 A GB 234021A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strings
- springs
- frame
- adjusted
- racquets
- 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
Links
Classifications
-
- 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
- A63B51/12—Devices arranged in or on the racket for adjusting the tension of the strings
-
- 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
- A63B49/022—String guides on frames, e.g. grommets
-
- 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
- A63B49/028—Means for achieving greater mobility of the string bed
Abstract
234,021. Hobbies, Ltd., Klemantaski, H. M. J., and Jewson, H. Feb. 4, 1925. Rackets.-The strings of a lawn tennis or other rabbet having an externally-grooved frame are passed through or over springs which bridge the groove. The strings may pass through helical springs E, Figs. 1 and 2, bridging an outer groove in the frame A, or may rest upon flat springs E<2>, Fig. 5, or upon C-shaped. springs E<3>, Fig. 6. To allow the tension of the strings to be adjusted a movable yoke piece F, Fig. 8, bearing the strings, may be fitted within a bridge piece G secured to the frame, the yoke piece being pulled down by a spring G<2> adjusted by a nut F<3>. The invention is particularly advantageous in rackets strung with metal wire of vegetable material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3168/25A GB234021A (en) | 1925-02-04 | 1925-02-04 | Improvements in or relating to lawn tennis or the like racquets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3168/25A GB234021A (en) | 1925-02-04 | 1925-02-04 | Improvements in or relating to lawn tennis or the like racquets |
Publications (1)
Publication Number | Publication Date |
---|---|
GB234021A true GB234021A (en) | 1925-05-21 |
Family
ID=9753198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3168/25A Expired GB234021A (en) | 1925-02-04 | 1925-02-04 | Improvements in or relating to lawn tennis or the like racquets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB234021A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3751034A (en) * | 1970-11-02 | 1973-08-07 | True Temper Corp | Game racket |
US4013290A (en) * | 1972-05-10 | 1977-03-22 | Robert Stevens | Racket for tennis and similar games |
US4099717A (en) * | 1977-05-11 | 1978-07-11 | Sacks Bernard R | Adjustable tension tennis racket |
FR2428446A1 (en) * | 1978-06-15 | 1980-01-11 | Lacoste Francois | TENNIS RACKET OR SIMILAR GAMES |
US4340225A (en) * | 1979-04-13 | 1982-07-20 | Wilson Craig R | Game racket and apparatus for adjusting the tension in the strings of a game racket |
GB2157181A (en) * | 1984-04-13 | 1985-10-23 | Ou Jan Chou | A string tension adjusting device for tennis rackets |
US4597576A (en) * | 1984-07-09 | 1986-07-01 | Haythornthwaite James Alan | Sports racquet utilizing non-circular strings |
US4613138A (en) * | 1984-07-09 | 1986-09-23 | Haythornthwaite James Alan | Tennis racquet with flexible membrane frame |
US4754968A (en) * | 1982-03-30 | 1988-07-05 | Herwig Fischer | Racket having unique stringing pattern |
GB2252505A (en) * | 1991-02-07 | 1992-08-12 | Lo Kun Nan | Racket frame with string adjustment |
-
1925
- 1925-02-04 GB GB3168/25A patent/GB234021A/en not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3751034A (en) * | 1970-11-02 | 1973-08-07 | True Temper Corp | Game racket |
US4013290A (en) * | 1972-05-10 | 1977-03-22 | Robert Stevens | Racket for tennis and similar games |
US4099717A (en) * | 1977-05-11 | 1978-07-11 | Sacks Bernard R | Adjustable tension tennis racket |
FR2428446A1 (en) * | 1978-06-15 | 1980-01-11 | Lacoste Francois | TENNIS RACKET OR SIMILAR GAMES |
US4279418A (en) * | 1978-06-15 | 1981-07-21 | Patentex S.A. | Rackets for tennis and other games |
US4340225A (en) * | 1979-04-13 | 1982-07-20 | Wilson Craig R | Game racket and apparatus for adjusting the tension in the strings of a game racket |
US4754968A (en) * | 1982-03-30 | 1988-07-05 | Herwig Fischer | Racket having unique stringing pattern |
GB2157181A (en) * | 1984-04-13 | 1985-10-23 | Ou Jan Chou | A string tension adjusting device for tennis rackets |
US4597576A (en) * | 1984-07-09 | 1986-07-01 | Haythornthwaite James Alan | Sports racquet utilizing non-circular strings |
US4613138A (en) * | 1984-07-09 | 1986-09-23 | Haythornthwaite James Alan | Tennis racquet with flexible membrane frame |
GB2252505A (en) * | 1991-02-07 | 1992-08-12 | Lo Kun Nan | Racket frame with string adjustment |
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