JPH01108794U - - Google Patents
Info
- Publication number
- JPH01108794U JPH01108794U JP448388U JP448388U JPH01108794U JP H01108794 U JPH01108794 U JP H01108794U JP 448388 U JP448388 U JP 448388U JP 448388 U JP448388 U JP 448388U JP H01108794 U JPH01108794 U JP H01108794U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- drive roller
- spring
- writing medium
- driven roller
- 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
Description
第１図ないし第３図はこの考案の一実施例を示
すもので、第１図は従動ローラの支持構造を拡大
して示す一部の背面図、第２図はその一部の平面
図、第３図は外観全体を示す斜視図、第４図及び
第５図は従来の従動ローラの支持構造を示す一部
の背面図である。
５……筆記媒体、１０……支持体、１１……従
動ローラ、１２……拡開部、１４……第一のスプ
リング、１５……第二のスプリング。
Figures 1 to 3 show an embodiment of this invention, in which Figure 1 is a rear view of a part of the support structure for the driven roller enlarged, and Figure 2 is a plan view of a part thereof. FIG. 3 is a perspective view showing the overall appearance, and FIGS. 4 and 5 are partial rear views showing a conventional driven roller support structure. 5... Writing medium, 10... Support body, 11... Followed roller, 12... Expanding portion, 14... First spring, 15... Second spring.
Claims (1)
ラと直交する方向に移動自在に保持された一対の
支持体のそれぞれに両端が回転自在に支承された
従動ローラとに、エンドレスの筆記媒体を巻回し
、前記従動ローラの一端に前記筆記媒体の側縁を
支える拡開部を設け、前記従動ローラの前記拡開
部が形成された方の端部を支承する一方の前記支
持体を前記駆動ローラから離反する方向へ付勢す
る第一のスプリングを設け、他方の前記支持体を
前記第一のスプリングより強い付勢力で前記駆動
ローラから離反する方向へ付勢する第二のスプリ
ングを設けたことを特徴とする電子黒板の筆記媒
体保持装置。 An endless writing medium is wound around a drive roller that rotates in a fixed position, and a driven roller that is rotatably supported at both ends by a pair of supports that are held movably in a direction perpendicular to the drive roller. , an enlarged part supporting the side edge of the writing medium is provided at one end of the driven roller, and one of the supports supporting the end of the driven roller on which the enlarged part is formed is separated from the driving roller. A first spring is provided that urges the support body in a direction away from the drive roller, and a second spring is provided that urges the other support body in a direction away from the drive roller with a stronger urging force than the first spring. Features of a writing medium holding device for electronic blackboards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP448388U JPH01108794U (en) | 1988-01-18 | 1988-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP448388U JPH01108794U (en) | 1988-01-18 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108794U true JPH01108794U (en) | 1989-07-24 |
Family
ID=31207037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP448388U Pending JPH01108794U (en) | 1988-01-18 | 1988-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108794U (en) |
-
1988
- 1988-01-18 JP JP448388U patent/JPH01108794U/ja active Pending