JPS61171975U - - Google Patents
Info
- Publication number
- JPS61171975U JPS61171975U JP5590785U JP5590785U JPS61171975U JP S61171975 U JPS61171975 U JP S61171975U JP 5590785 U JP5590785 U JP 5590785U JP 5590785 U JP5590785 U JP 5590785U JP S61171975 U JPS61171975 U JP S61171975U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- hole
- training device
- tennis training
- tennis
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Toys (AREA)
Description
第１図乃至第３図は本考案に係るテニス練習具
におけるボールの貫通孔を示す図で、第１図は第
１実施例を示す図、第２図は第２実施例を示す図
、第３図は第３実施例を示す図、第４図及び第５
図は第４実施例を示す図、第６図はテニス練習具
の全体斜視図、第７図は従来例を示す図である。
そして図面中、１……テニス練習具、４……ボ
ール、５……紐体、１１……貫通孔、１１ａ……
凹部、１１ｂ……凸部である。
1 to 3 are diagrams showing a through hole for a ball in a tennis practice tool according to the present invention, in which FIG. 1 shows a first embodiment, FIG. 2 shows a second embodiment, and FIG. Figure 3 shows the third embodiment, Figures 4 and 5.
The figure shows a fourth embodiment, FIG. 6 is a perspective view of the entire tennis practice tool, and FIG. 7 is a diagram showing a conventional example. In the drawings, 1... tennis practice equipment, 4... ball, 5... string, 11... through hole, 11a...
Concave portion, 11b... Convex portion.
Claims (1)
ボールを支持してなるテニス練習具において、 前記ボールの貫通孔はその内周面の一部がこれ
に挿通された紐体を圧接すべく形成されてなるこ
とを特徴とするテニス練習具。 (2) 前記ボールの貫通孔はその内周面に凹凸部
が形成されてなる実用新案登録請求の範囲第１項
記載のテニス練習具。 (3) 前記ボールの貫通孔はテーパ形状に形成さ
れてなる実用新案登録請求の範囲第１項記載のテ
ニス練習具。[Claims for Utility Model Registration] (1) A tennis training device in which a string is inserted through a through hole provided in a ball to support the ball, wherein the through hole of the ball has a part of its inner peripheral surface. A tennis practice tool, characterized in that it is formed to press against a string inserted through the tool. (2) The tennis training device according to claim 1, wherein the through hole of the ball has an uneven portion formed on its inner peripheral surface. (3) The tennis training device according to claim 1, wherein the through hole of the ball is formed in a tapered shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5590785U JPS61171975U (en) | 1985-04-15 | 1985-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5590785U JPS61171975U (en) | 1985-04-15 | 1985-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171975U true JPS61171975U (en) | 1986-10-25 |
Family
ID=30579022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5590785U Pending JPS61171975U (en) | 1985-04-15 | 1985-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171975U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5344078B2 (en) * | 1973-10-30 | 1978-11-25 |
-
1985
- 1985-04-15 JP JP5590785U patent/JPS61171975U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5344078B2 (en) * | 1973-10-30 | 1978-11-25 |