JPH01152334U - - Google Patents
Info
- Publication number
- JPH01152334U JPH01152334U JP4516788U JP4516788U JPH01152334U JP H01152334 U JPH01152334 U JP H01152334U JP 4516788 U JP4516788 U JP 4516788U JP 4516788 U JP4516788 U JP 4516788U JP H01152334 U JPH01152334 U JP H01152334U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filter body
- engaging
- engaged
- engaging part
- 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
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図から第３図までは本考案を具体化した実
施例を示すもので、第１図はフイルタ駆動装置の
分解斜視図であり、第２図は画像形成装置の断面
概略図であり、第３図ａ，ｂ，ｃはフイルタを駆
動する際に、２つのモータがどのフイルタを選択
するかを示すフイルタ駆動機構の一部概略図であ
る。
１０１ａ…第１のフイルタ体、１０１ｂ…第２
のフイルタ体、１０１ｃ…第３のフイルタ体、１
０３ａ…駆動モータ（第１の駆動源）、１０３ｂ
…駆動モータ（第２の駆動源）、１０８ａａ…フ
イルタ駆動ギヤ（第１の係合部）、１０８ａｂ…
フイルタ駆動ギヤ（第２の係合部）、１０８ｂａ
…フイルタ駆動ギヤ（第３の係合部）、１０８ｂ
ｂ…フイルタ駆動ギヤ（第４係合部）、１０９ａ
…第１セクターギヤ（第１の部材）、１０９ｂ…
第２セクターギヤ（第２の部材）。
1 to 3 show an embodiment embodying the present invention, in which FIG. 1 is an exploded perspective view of a filter drive device, and FIG. 2 is a schematic cross-sectional view of an image forming apparatus. FIGS. 3a, 3b and 3c are partial schematic diagrams of the filter drive mechanism showing which filter is selected by two motors when driving the filter. 101a...first filter body, 101b...second
Filter body, 101c...Third filter body, 1
03a... Drive motor (first drive source), 103b
... Drive motor (second drive source), 108aa... Filter drive gear (first engagement part), 108ab...
Filter drive gear (second engagement part), 108ba
...Filter drive gear (third engagement part), 108b
b...Filter drive gear (fourth engagement part), 109a
...First sector gear (first member), 109b...
Second sector gear (second member).
Claims (1)
フイルタを自在に出入させるフイルタ駆動装置に
おいて、 前記光路に対して垂直に重ねて配置された少な
くとも第１、第２、第３のフイルタ体と、 前記第１のフイルタ体に係合可能な第１の係合
部及び第２のフイルタ体に係合可能な第２の係合
部を有しており、第１の係合部及び第２の係合部
が前記第１、第２のフイルタ体に選択的に係合す
る位置に配置された第１の部材と、 前記第２のフイルタ体に係合可能な第３の係合
部と第３のフイルタ体に係合可能な第４の係合部
を有しており、第３の係合部と第４の係合部が第
２、第３のフイルタ体に選択的に係合する位置に
配置された第２の部材と、 前記第１の部材を駆動する第１の駆動源と、 前記第２の部材を駆動する第２の駆動源と、を
備えたことを特徴とするフイルタ駆動装置。[Claims for Utility Model Registration] A filter drive device that freely moves a plurality of optical filters into and out of an optical path of reflected light or transmitted light of a document, comprising: 2. a third filter body; a first engagement part that can be engaged with the first filter body; and a second engagement part that can be engaged with the second filter body; a first member disposed at a position where the first engaging portion and the second engaging portion selectively engage the first and second filter bodies; and a first member capable of engaging with the second filter body. It has a third engaging part and a fourth engaging part that can be engaged with the third filter body, and the third engaging part and the fourth engaging part are connected to the second and third engaging parts. a second member disposed at a position to selectively engage the filter body; a first drive source that drives the first member; a second drive source that drives the second member; A filter drive device comprising:
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4516788U JPH01152334U (en) | 1988-04-01 | 1988-04-01 | |
| US07/284,895 US4924255A (en) | 1987-12-18 | 1988-12-15 | Exposure unit in an image recording apparatus |
| GB8829491A GB2212287B (en) | 1987-12-18 | 1988-12-16 | Exposure unit in an image recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4516788U JPH01152334U (en) | 1988-04-01 | 1988-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01152334U true JPH01152334U (en) | 1989-10-20 |
Family
ID=31271486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4516788U Pending JPH01152334U (en) | 1987-12-18 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01152334U (en) |
-
1988
- 1988-04-01 JP JP4516788U patent/JPH01152334U/ja active Pending