ES227733U - Tennis racket - Google Patents
Tennis racketInfo
- Publication number
- ES227733U ES227733U ES1977227733U ES227733U ES227733U ES 227733 U ES227733 U ES 227733U ES 1977227733 U ES1977227733 U ES 1977227733U ES 227733 U ES227733 U ES 227733U ES 227733 U ES227733 U ES 227733U
- Authority
- ES
- Spain
- Prior art keywords
- group
- cords
- spaced
- strings
- inch
- 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
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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Golf Clubs (AREA)
- Toys (AREA)
- Blinds (AREA)
Abstract
A racquet having improved properties on the impact of the ball, which comprises: a frame defining a central opening; a handle projecting outwardly from said frame; a first string structure forming a plurality of vertical cords, which extend in the direction of said handle, spaced over said central opening and connected to said frame under tension through holes in said frame; said vertical plurality of strings including a vertical central group of strings spaced apart from each other in substantially the same distance, disposed on each side of the centerline extending through the handle of said racket; a first pair of vertical cords located on one side of said vertical central group of cords, one of the cords of said first pair being spaced one inch (2.54 cm) from the immediate cord of said central group of cords, and the another rope of said first pair spaced one inch (2.54 cm) from the first rope mentioned from said first pair of cords; and a second pair of vertical cords located on the other side of said central group of cords, with a cord of said second pair being one inch apart (2, 54 cm) from the immediate cord of said central vertical group of cords, and the other rope of said second pair spaced one inch (2.54 cm) from the first mentioned rope of said second pair of cords; a second string structure forming a horizontal plurality of strings extending at right angles to said vertical plurality of strings, spaced over said central opening and linked to said frame under tension through holes in said racket; including said second string structure: a first group of horizontal strings uniformly spaced from each other within the central opening of said racquet, the first string of said first set of strings being located at approximately 2 3/8 inches (60, 32 mm) below the upper end of said racket; a first group of three strings spaced between the lowest of said first group of horizontal strings and said racket handle, a first string of said first group being spaced approximately 3/4 of an inch (19.05 mm) from said string plus low of said horizontal group of strings, -without being spaced the next one of said first group approximately 7/8 inch (22, 23 mm) from the first string, and the last string of said first group being spaced one inch apart (2, 54). Cm) of the aforementioned immediate rope; and a second group of cords spaced between the highest of said first group of horizontal cords and the end. Upper portion of said racket, a first chord of said second group being spaced approximately 5/8 inch (15, 88 mm) from said chord located higher in said first group, and a second chord of said second group being spaced approximately 3/4 inch (19, 05 mm) of said first cord of said second group of horizontal cords. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/674,826 US4013289A (en) | 1975-06-30 | 1976-04-08 | Tennis racket |
Publications (2)
Publication Number | Publication Date |
---|---|
ES227733U true ES227733U (en) | 1977-05-16 |
ES227733Y ES227733Y (en) | 1977-11-01 |
Family
ID=24708029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1977227733U Expired ES227733Y (en) | 1976-04-08 | 1977-04-06 | A RACKET THAT HAS IMPROVED PROPERTIES IN THE IMPACT OF THE BALL. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS52146328A (en) |
AU (1) | AU2362877A (en) |
BE (1) | BE853356A (en) |
DE (1) | DE2715397A1 (en) |
ES (1) | ES227733Y (en) |
FR (1) | FR2347064A1 (en) |
IT (1) | IT1079609B (en) |
SE (1) | SE7703614L (en) |
-
1977
- 1977-03-25 AU AU23628/77A patent/AU2362877A/en not_active Expired
- 1977-03-29 SE SE7703614A patent/SE7703614L/en unknown
- 1977-04-06 DE DE19772715397 patent/DE2715397A1/en active Pending
- 1977-04-06 ES ES1977227733U patent/ES227733Y/en not_active Expired
- 1977-04-07 BE BE176512A patent/BE853356A/en unknown
- 1977-04-07 FR FR7710580A patent/FR2347064A1/en not_active Withdrawn
- 1977-04-08 IT IT48890/77A patent/IT1079609B/en active
- 1977-04-08 JP JP3960277A patent/JPS52146328A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2347064A1 (en) | 1977-11-04 |
SE7703614L (en) | 1977-10-09 |
ES227733Y (en) | 1977-11-01 |
DE2715397A1 (en) | 1977-11-10 |
JPS52146328A (en) | 1977-12-06 |
BE853356A (en) | 1977-08-01 |
AU2362877A (en) | 1978-09-28 |
IT1079609B (en) | 1985-05-13 |
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