JPS621668U - - Google Patents
Info
- Publication number
- JPS621668U JPS621668U JP9345785U JP9345785U JPS621668U JP S621668 U JPS621668 U JP S621668U JP 9345785 U JP9345785 U JP 9345785U JP 9345785 U JP9345785 U JP 9345785U JP S621668 U JPS621668 U JP S621668U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- pitching
- holding section
- guide surface
- tip
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Toys (AREA)
Description
図は本考案の一実施例を示すもので、第１図は
側面図、第２図は正面図、第３図は正面断面図、
第４図は全体の外観を示す斜視図、第５図ないし
第８図はそれぞれ動作説明図、第９図は本考案の
効果を説明するグラフである。
４……ガイドレール、６……投球アーム、６Ｃ
……ボール保持部、２７……ピニオン、２８……
ラツク、Ｍ，Ｍ１，Ｍ２……ボール。
The figures show one embodiment of the present invention, in which Fig. 1 is a side view, Fig. 2 is a front view, Fig. 3 is a front sectional view,
FIG. 4 is a perspective view showing the overall appearance, FIGS. 5 through 8 are operation explanatory diagrams, and FIG. 9 is a graph explaining the effects of the present invention. 4...Guide rail, 6...Pitching arm, 6C
... Ball holding part, 27 ... Pinion, 28 ...
Rack, M, M 1 , M 2 ... ball.
Claims (1)
回転駆動されて前記先端部のボール保持部により
ボールを投げる投球アームと、前記ボール保持部
の回動軌跡にほぼ沿つて設けられてボールを受け
る円弧状のガイド面を有するガイドレールとを備
え、前記ガイド面が投球方向前方に至るほど漸次
前記ボール保持部の回転軌跡から外側へ離れるよ
うに形成された打撃練習機において、前記ガイド
レールがボールの投球方向の前後に平行移動自在
に形成されてなることを特微とした打撃練習機。 a pitching arm whose base is supported and whose tip is rotatably driven within a certain angle range and throws a ball using a ball holding section at the tip; and a pitching arm that is provided substantially along the rotation trajectory of the ball holding section to receive the ball. A batting practice machine comprising a guide rail having an arcuate guide surface, the guide surface being formed so as to gradually move away from the rotation locus of the ball holder toward the front in the pitching direction. A batting practice machine characterized by being formed so as to be freely movable in parallel to the pitching direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9345785U JPS621668U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9345785U JPS621668U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621668U true JPS621668U (en) | 1987-01-08 |
Family
ID=30651156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9345785U Pending JPS621668U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012055410A (en) * | 2010-09-07 | 2012-03-22 | Hiroshi Imae | Ball pitching device |
-
1985
- 1985-06-19 JP JP9345785U patent/JPS621668U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012055410A (en) * | 2010-09-07 | 2012-03-22 | Hiroshi Imae | Ball pitching device |