JPH0472236U - - Google Patents
Info
- Publication number
- JPH0472236U JPH0472236U JP11640790U JP11640790U JPH0472236U JP H0472236 U JPH0472236 U JP H0472236U JP 11640790 U JP11640790 U JP 11640790U JP 11640790 U JP11640790 U JP 11640790U JP H0472236 U JPH0472236 U JP H0472236U
- Authority
- JP
- Japan
- Prior art keywords
- movable
- wire
- movable body
- pulleys
- pulley
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Description
第１〜３図は本考案に係る露光光学装置の一実
施例を示す図であり、第１図はその全体説明図、
第２図はその全体斜視図、第３図はその要部拡大
説明図である。第４〜６図は従来の露光光学装置
を示す図であり、第４図はその斜視図、第５図は
その要部拡大説明図、第６図はその他の例を示す
斜視図である。
２１……露光光学装置、２４Ａ……原稿載置面
、２７……第１スキヤナー（第１移動体）、２９
……第２スキヤナー（第２移動体）、３２……駆
動プーリ（駆動回転体）、３３……ワイヤ、３５
……ワイヤプーリ（定滑車）、３７……第１スキ
ヤナープーリ（動滑車）、３８……第２スキヤナ
ープーリ（動滑車）。
1 to 3 are diagrams showing an embodiment of the exposure optical device according to the present invention, and FIG. 1 is an overall explanatory diagram thereof;
FIG. 2 is an overall perspective view, and FIG. 3 is an enlarged explanatory view of the main parts. 4 to 6 are diagrams showing a conventional exposure optical device, with FIG. 4 being a perspective view thereof, FIG. 5 being an enlarged explanatory view of the main part thereof, and FIG. 6 being a perspective view showing another example. 21...Exposure optical device, 24A...Document placement surface, 27...First scanner (first moving body), 29
...Second scanner (second moving body), 32...Drive pulley (drive rotating body), 33...Wire, 35
... wire pulley (fixed pulley), 37 ... first scanner pulley (moving pulley), 38 ... second scanner pulley (moving pulley).
Claims (1)
該駆動回転体および複数の定滑車に巻き掛けられ
たワイヤと、該ワイヤに係止され、露光され反射
する原稿載置面に沿つて往復移動可能な第１移動
体と、前記ワイヤを巻き掛けた動滑車を回転自在
に軸支した第２移動体と、を備え、前記駆動回転
体の正逆回転により前記ワイヤを介して第１移動
体と第２移動体とをそれぞれ２対１の速度比で同
一走行方向に往復移動するようにした露光光学装
置において、上記第２移動体に軸支された動滑車
は前記走行方向に互いに離隔して２個設け、前記
ワイヤをそれぞれ一方および他方の動滑車に巻き
掛け、かつそれぞれの動滑車の径の大きさに差を
有するようにしたことを特徴とする露光光学装置
。 (2) 前記第２移動体に軸支された２つの動滑車
のうち前記第１移動体側の一方の動滑車の径を他
方の動滑車の径より大きくしたことを特徴とする
請求項１記載の露光光学装置。[Claims for Utility Model Registration] (1) A drive rotating body that is driven to be able to rotate forward and backward;
a wire wound around the drive rotary body and a plurality of fixed pulleys; a first movable body that is locked to the wire and capable of reciprocating along an exposed and reflective document placement surface; and a first moving body around which the wire is wound. a second movable body rotatably supporting a movable pulley; the first movable body and the second movable body are each rotated at a speed of 2:1 via the wire by forward and reverse rotation of the driving rotary body; In an exposure optical device configured to reciprocate in the same running direction at a ratio, two movable pulleys pivotally supported by the second movable body are provided spaced apart from each other in the running direction, and the wires are connected to one and the other of the movable pulleys, respectively. 1. An exposure optical device that is wound around a movable pulley, and each of the movable pulleys has a different diameter. (2) The diameter of one movable pulley on the first movable body side of the two movable pulleys pivotally supported by the second movable body is larger than the diameter of the other movable pulley. exposure optical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116407U JP2553215Y2 (en) | 1990-11-05 | 1990-11-05 | Exposure optics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116407U JP2553215Y2 (en) | 1990-11-05 | 1990-11-05 | Exposure optics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0472236U true JPH0472236U (en) | 1992-06-25 |
| JP2553215Y2 JP2553215Y2 (en) | 1997-11-05 |
Family
ID=31864230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990116407U Expired - Lifetime JP2553215Y2 (en) | 1990-11-05 | 1990-11-05 | Exposure optics |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2553215Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199130A (en) * | 1984-10-22 | 1986-05-17 | Toshiba Corp | Optical device of exposure |
-
1990
- 1990-11-05 JP JP1990116407U patent/JP2553215Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199130A (en) * | 1984-10-22 | 1986-05-17 | Toshiba Corp | Optical device of exposure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2553215Y2 (en) | 1997-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |