JPH0461584U - - Google Patents
Info
- Publication number
- JPH0461584U JPH0461584U JP10558190U JP10558190U JPH0461584U JP H0461584 U JPH0461584 U JP H0461584U JP 10558190 U JP10558190 U JP 10558190U JP 10558190 U JP10558190 U JP 10558190U JP H0461584 U JPH0461584 U JP H0461584U
- Authority
- JP
- Japan
- Prior art keywords
- wall body
- vertical wall
- tennis training
- front surface
- concrete
- 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
Landscapes
- Instructional Devices (AREA)
Description
第１図は連設状態の正面図、第２図は左側面図
、第３図は斜視図、第４図は本案のものの状態で
曲面の作用を説明する略図的側面図、第５図は従
来の状態を説明する略図的側面図である。
１……テニストレーニングウオール用ブロツク
、２……底部、３……縦壁体、５……ネツト上端
表示用白線。
Fig. 1 is a front view of the connected state, Fig. 2 is a left side view, Fig. 3 is a perspective view, Fig. 4 is a schematic side view illustrating the action of the curved surface in the state of the present invention, and Fig. 5 is a It is a schematic side view explaining a conventional state. 1... Block for tennis training wall, 2... Bottom, 3... Vertical wall, 5... White line for displaying the top of the net.
Claims (1)
れた板状の底部２の前方端に、断面Ｌ字状にコン
クリートで構成された縦壁体３が起立連設され、
この縦壁体３は下方縦壁体部３Ａと上方壁体部３
Ｂとから構成され、上方壁体部３Ｂにおける前面
３Ｂ１は側面横向きの曲面に構成され、下方縦壁
体部３Ａにおける前面３Ａ１は側面上方に行くほ
ど少しく後方に後退する状態の傾斜面に構成され
ていることを特徴とするテニストレーニングウオ
ール用ブロツク。 ２ 曲面が半径６５００mmの円で構成する曲面で
あると共に、前面３Ａ１の傾斜角度αは約３度３
０分である請求項１記載のテニストレーニングウ
オール用ブロツク。[Claims for Utility Model Registration] 1. A vertical wall body 3 made of concrete and having an L-shaped cross section is erected and connected to the front end of a plate-like bottom part 2 made of concrete and having a rectangular planar shape,
This vertical wall body 3 includes a lower vertical wall body part 3A and an upper wall body part 3.
The front surface 3B1 of the upper wall portion 3B is configured as a curved surface facing sideways, and the front surface 3A1 of the lower vertical wall portion 3A is configured as an inclined surface that recedes slightly toward the rear as it goes upward. A block for tennis training wall that is characterized by: 2 The curved surface is composed of a circle with a radius of 6500 mm, and the inclination angle α of the front surface 3A1 is approximately 3 degrees 3
2. The tennis training wall block according to claim 1, wherein the tennis training wall has a duration of 0 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10558190U JPH0461584U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10558190U JPH0461584U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461584U true JPH0461584U (en) | 1992-05-27 |
Family
ID=31851314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10558190U Pending JPH0461584U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176066A (en) * | 1998-12-21 | 2000-06-27 | Nihon Kogyo Co Ltd | Wall body for practicing ball game |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235765B2 (en) * | 1981-05-18 | 1990-08-13 | Dow Chemical Co |
-
1990
- 1990-10-05 JP JP10558190U patent/JPH0461584U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0235765B2 (en) * | 1981-05-18 | 1990-08-13 | Dow Chemical Co |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176066A (en) * | 1998-12-21 | 2000-06-27 | Nihon Kogyo Co Ltd | Wall body for practicing ball game |