IT477369B - - Google Patents
Info
- Publication number
- IT477369B IT477369B IT477369DA IT477369B IT 477369 B IT477369 B IT 477369B IT 477369D A IT477369D A IT 477369DA IT 477369 B IT477369 B IT 477369B
- Authority
- IT
- Italy
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0073—Means for releasably holding a ball in position; Balls constrained to move around a fixed point, e.g. by tethering
- A63B69/0079—Balls tethered to a line or cord
- A63B69/0084—Balls tethered to a line or cord the line or cord being fixed to at least two points
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT477369B true IT477369B (ja) | 1953-01-21 |
Family
ID=1761536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT477369D IT477369B (ja) | 1951-03-21 |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT477369B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216960A (en) * | 1977-03-08 | 1980-08-12 | Nicholls Oswald C J | Tethered ball tennis practice apparatus |
-
1951
- 1951-03-21 IT IT477369D patent/IT477369B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216960A (en) * | 1977-03-08 | 1980-08-12 | Nicholls Oswald C J | Tethered ball tennis practice apparatus |