JPH0195387U - - Google Patents
Info
- Publication number
- JPH0195387U JPH0195387U JP19301687U JP19301687U JPH0195387U JP H0195387 U JPH0195387 U JP H0195387U JP 19301687 U JP19301687 U JP 19301687U JP 19301687 U JP19301687 U JP 19301687U JP H0195387 U JPH0195387 U JP H0195387U
- Authority
- JP
- Japan
- Prior art keywords
- sprockets
- blackboard
- sprocket
- catcher
- turning
- 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
- Drawing Aids And Blackboards (AREA)
Description
第1図は本案可動黒板の縦断面図、第2図はそ
の要部を拡大して示す平面図、更に第3図は本案
の可動黒板の他の実施例を示す縦断面図である。
尚、図中1…脚体、2…縦フレーム、3,3′
…横フレーム、4,5…黒板、6…ターニングキ
ヤツチヤー、8…下部スプロケツト、9…上部ス
プロケツト、C…チエーン、M…ステツピングモ
ーター。
FIG. 1 is a longitudinal cross-sectional view of the movable blackboard according to the present invention, FIG. 2 is a plan view showing an enlarged main part thereof, and FIG. 3 is a longitudinal cross-sectional view showing another embodiment of the movable blackboard according to the present invention. In addition, in the figure, 1...leg body, 2...vertical frame, 3, 3'
...Horizontal frame, 4, 5...Blackboard, 6...Turning catcher, 8...Lower sprocket, 9...Upper sprocket, C...Chain, M...Stepping motor.
Claims (1)
,9を有し、該スプロケツト8,9間に黒板4,
5を吊設する一方、ターニングキヤツチヤー6を
介してステツピングモーターMにより、上記スプ
ロケツト8,9を正逆自在に回転せしめるように
したことを特徴とする可動黒板。 Chain C and the sprocket 8 that drives it
, 9, and a blackboard 4, 9 between the sprockets 8, 9.
5 is suspended, while the sprockets 8 and 9 are rotated in forward and reverse directions by a stepping motor M via a turning catcher 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301687U JPH0195387U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19301687U JPH0195387U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195387U true JPH0195387U (en) | 1989-06-23 |
Family
ID=31483836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19301687U Pending JPH0195387U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012101405A (en) * | 2010-11-09 | 2012-05-31 | Nichigaku Kk | Braking device for vertical blackboard |
-
1987
- 1987-12-18 JP JP19301687U patent/JPH0195387U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012101405A (en) * | 2010-11-09 | 2012-05-31 | Nichigaku Kk | Braking device for vertical blackboard |