JPS63124971U - - Google Patents
Info
- Publication number
- JPS63124971U JPS63124971U JP1672087U JP1672087U JPS63124971U JP S63124971 U JPS63124971 U JP S63124971U JP 1672087 U JP1672087 U JP 1672087U JP 1672087 U JP1672087 U JP 1672087U JP S63124971 U JPS63124971 U JP S63124971U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- fulcrum
- ball
- practice device
- batting practice
- 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
- Structures Of Non-Positive Displacement Pumps (AREA)
- Closures For Containers (AREA)
Description
第１図は本考案の打球練習器の側面図を示すも
のであり、第２図は作動部分の側面図を示す。ま
た第３図は部分詳細図を示すものである。 １……基台、２……回動軸、３……支軸、４…
…バネ、５……空気ポンプ、８……作動板。
のであり、第２図は作動部分の側面図を示す。ま
た第３図は部分詳細図を示すものである。 １……基台、２……回動軸、３……支軸、４…
…バネ、５……空気ポンプ、８……作動板。
Claims (1)
- 【実用新案登録請求の範囲】 １ 基台１の中央上にバネ４を設けた回動軸２を
有する支点Ａを設け、該回動軸２に先端に球Ｂを
固着した軸３を回転可能に軸着し、前記支点Ａの
後部に空気ポンプ５を設け、該ポンプ５と前記球
つきの軸３の後部基端を連動させてなることを特
徴とした打球練習器。 ２ 空気ポンプの空気吸込時間を弁１０の加減に
より調節可能とした実用新案登録請求範囲１に記
載の打球練習器。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1672087U JPS63124971U (ja) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1672087U JPS63124971U (ja) | 1987-02-06 | 1987-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63124971U true JPS63124971U (ja) | 1988-08-15 |
Family
ID=30808833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1672087U Pending JPS63124971U (ja) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63124971U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581671A (en) * | 1978-12-16 | 1980-06-19 | Tsuu Esu Boueki Kk | Training apparatus for ball game |
-
1987
- 1987-02-06 JP JP1672087U patent/JPS63124971U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5581671A (en) * | 1978-12-16 | 1980-06-19 | Tsuu Esu Boueki Kk | Training apparatus for ball game |