JPH0380758U - - Google Patents
Info
- Publication number
- JPH0380758U JPH0380758U JP14111189U JP14111189U JPH0380758U JP H0380758 U JPH0380758 U JP H0380758U JP 14111189 U JP14111189 U JP 14111189U JP 14111189 U JP14111189 U JP 14111189U JP H0380758 U JPH0380758 U JP H0380758U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- whose
- fixed part
- contracted
- pivoted
- 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
- 230000008602 contraction Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Movable Scaffolding (AREA)
Description
第１図ないし第３図は、それぞれ本考案の一実
施例の壁の傾斜を変えた場合を示す立面図、第４
図は従来の壁打ち用壁の立面図である。 １……壁、２……ピン、３……油圧伸縮装置、
４……支柱、５……スイツチボツクス。
施例の壁の傾斜を変えた場合を示す立面図、第４
図は従来の壁打ち用壁の立面図である。 １……壁、２……ピン、３……油圧伸縮装置、
４……支柱、５……スイツチボツクス。
Claims (1)
- 水平軸まわりにその下部が固定部に枢支された
壁、及び壁の裏面と固定部との間にその両端が接
続されその長さが伸縮可能な支柱よりなることを
特徴とするテニス用可動練習壁。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14111189U JPH0380758U (ja) | 1989-12-07 | 1989-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14111189U JPH0380758U (ja) | 1989-12-07 | 1989-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380758U true JPH0380758U (ja) | 1991-08-19 |
Family
ID=31688038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14111189U Pending JPH0380758U (ja) | 1989-12-07 | 1989-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380758U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004508112A (ja) * | 2000-09-08 | 2004-03-18 | ピラス、ファウスト | 球技用の練習用具 |
-
1989
- 1989-12-07 JP JP14111189U patent/JPH0380758U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004508112A (ja) * | 2000-09-08 | 2004-03-18 | ピラス、ファウスト | 球技用の練習用具 |