BE371653A - - Google Patents
Info
- Publication number
- BE371653A BE371653A BE371653DA BE371653A BE 371653 A BE371653 A BE 371653A BE 371653D A BE371653D A BE 371653DA BE 371653 A BE371653 A BE 371653A
- Authority
- BE
- Belgium
- Prior art keywords
- ball
- ground
- elastic thread
- tennis
- rod
- Prior art date
Links
- 230000000284 resting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
- A63B71/023—Supports, e.g. poles
- A63B2071/024—Supports, e.g. poles with screws or pins in the earth
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
- A63B71/023—Supports, e.g. poles
- A63B2071/026—Supports, e.g. poles stabilised by weight
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
- Toys (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371653A true BE371653A (enExample) |
Family
ID=42897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371653D BE371653A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE371653A (enExample) |
-
0
- BE BE371653D patent/BE371653A/fr unknown
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