JPH01178994U - - Google Patents
Info
- Publication number
- JPH01178994U JPH01178994U JP7516388U JP7516388U JPH01178994U JP H01178994 U JPH01178994 U JP H01178994U JP 7516388 U JP7516388 U JP 7516388U JP 7516388 U JP7516388 U JP 7516388U JP H01178994 U JPH01178994 U JP H01178994U
- Authority
- JP
- Japan
- Prior art keywords
- transmission gear
- rollers
- rotate
- electronic blackboard
- transmission
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 2
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図ないし第６図は本考案の一実施例を示す
もので、第１図は縦断側面図、第２図は伝動ギヤ
と遊動ギヤとリンクとの取付関係を拡大して示す
正面図、第３図及び第４図はモータ駆動時におけ
るリンクの動作を示す側面図、第５図はモータ非
駆動時において筆記媒体を手で回転させる状態を
示す側面図、第６図は全体図を示す斜視図、第７
図及び第８図は従来例を示す一部の平面図である
。
４……筆記媒体、６，７……ローラ、８……光
学読取部、１４……従動ギヤ、１５……伝動ギヤ
、１６，１７……遊動ギヤ、１８……リンク、２
０……モータ。
1 to 6 show an embodiment of the present invention, in which FIG. 1 is a vertical side view, FIG. 2 is an enlarged front view showing the attachment relationship between the transmission gear, the idler gear, and the link. Figures 3 and 4 are side views showing the operation of the link when the motor is driven, Figure 5 is a side view showing how the writing medium is rotated by hand when the motor is not driven, and Figure 6 is an overall view. Perspective view, No. 7
FIG. 8 and FIG. 8 are partial plan views showing a conventional example. 4... Writing medium, 6, 7... Roller, 8... Optical reading section, 14... Driven gear, 15... Transmission gear, 16, 17... Idle gear, 18... Link, 2
0...Motor.
Claims (1)
巻回された複数のローラと、これらのローラの一
つに連結された従動ギヤと、正逆回転自在のモー
タに連結されて定位置で回転する伝動ギヤと、こ
の伝動ギヤと前記従動ギヤとの軸心を結ぶ直線の
両側に配設されて前記伝動ギヤに常時噛合された
一対の遊動ギヤと、これらの遊動ギヤと前記伝動
ギヤとを回転自在に保持するリンクとよりなるこ
とを特徴とする電子黒板の筆記媒体駆動装置。 A plurality of rollers with endless writing media wound around them facing the optical reading unit, a driven gear connected to one of these rollers, and a transmission connected to a motor that can rotate in forward and reverse directions to rotate at a fixed position. a pair of idler gears disposed on both sides of a straight line connecting the axes of the transmission gear and the driven gear and constantly meshed with the transmission gear; these idler gears and the transmission gear are rotatable; A writing medium driving device for an electronic blackboard, characterized in that the writing medium drive device comprises a link to be held in the electronic blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7516388U JPH0727194Y2 (en) | 1988-06-06 | 1988-06-06 | Electronic blackboard writing medium drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7516388U JPH0727194Y2 (en) | 1988-06-06 | 1988-06-06 | Electronic blackboard writing medium drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01178994U true JPH01178994U (en) | 1989-12-21 |
| JPH0727194Y2 JPH0727194Y2 (en) | 1995-06-21 |
Family
ID=31300235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7516388U Expired - Lifetime JPH0727194Y2 (en) | 1988-06-06 | 1988-06-06 | Electronic blackboard writing medium drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727194Y2 (en) |
-
1988
- 1988-06-06 JP JP7516388U patent/JPH0727194Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727194Y2 (en) | 1995-06-21 |
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