FR567476A - Appareil à mesurer la tension du cordage des raquettes de tennis - Google Patents
Appareil à mesurer la tension du cordage des raquettes de tennisInfo
- Publication number
- FR567476A FR567476A FR567476DA FR567476A FR 567476 A FR567476 A FR 567476A FR 567476D A FR567476D A FR 567476DA FR 567476 A FR567476 A FR 567476A
- Authority
- FR
- France
- Prior art keywords
- measuring device
- tennis racket
- tension measuring
- string tension
- racket string
- 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
- A63B51/005—Devices for measuring the tension of strings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/06—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using mechanical means
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR567476T | 1923-06-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR567476A true FR567476A (fr) | 1924-03-03 |
Family
ID=8947803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR567476D Expired FR567476A (fr) | 1923-06-15 | 1923-06-15 | Appareil à mesurer la tension du cordage des raquettes de tennis |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR567476A (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055999A (en) * | 1976-12-23 | 1977-11-01 | Cope James R | Tension tester for tennis racket strings |
US4077256A (en) * | 1977-01-10 | 1978-03-07 | Bruce Lee Hollander | Stringed racket face tension measuring device |
US4116054A (en) * | 1977-04-25 | 1978-09-26 | Howe John G | Apparatus for measuring the combined resistance to displacement of strings affixed in a racket head |
WO1982003274A1 (fr) * | 1981-03-23 | 1982-09-30 | Ulrich Weidmann | Appareil de mesure pour raquette de tennis |
CN105388064A (zh) * | 2015-10-29 | 2016-03-09 | 东南大学 | 网球拍拍弦静态刚度测量装置及方法 |
US11607589B1 (en) | 2020-10-01 | 2023-03-21 | Mark E. Van Denend | Device for accurately measuring string bed stiffness in a racket |
-
1923
- 1923-06-15 FR FR567476D patent/FR567476A/fr not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055999A (en) * | 1976-12-23 | 1977-11-01 | Cope James R | Tension tester for tennis racket strings |
US4077256A (en) * | 1977-01-10 | 1978-03-07 | Bruce Lee Hollander | Stringed racket face tension measuring device |
US4116054A (en) * | 1977-04-25 | 1978-09-26 | Howe John G | Apparatus for measuring the combined resistance to displacement of strings affixed in a racket head |
WO1982003274A1 (fr) * | 1981-03-23 | 1982-09-30 | Ulrich Weidmann | Appareil de mesure pour raquette de tennis |
US4488444A (en) * | 1981-03-23 | 1984-12-18 | Ulrich Weidmann | Testing device for tennis racquets |
CN105388064A (zh) * | 2015-10-29 | 2016-03-09 | 东南大学 | 网球拍拍弦静态刚度测量装置及方法 |
CN105388064B (zh) * | 2015-10-29 | 2017-11-03 | 东南大学 | 网球拍拍弦静态刚度测量装置及方法 |
US11607589B1 (en) | 2020-10-01 | 2023-03-21 | Mark E. Van Denend | Device for accurately measuring string bed stiffness in a racket |
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