JPH03122450U - - Google Patents
Info
- Publication number
- JPH03122450U JPH03122450U JP3025290U JP3025290U JPH03122450U JP H03122450 U JPH03122450 U JP H03122450U JP 3025290 U JP3025290 U JP 3025290U JP 3025290 U JP3025290 U JP 3025290U JP H03122450 U JPH03122450 U JP H03122450U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- optical unit
- dust
- dustproof plate
- exit window
- 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
- 230000003068 static effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
Description
第１，２図は本考案に係る防塵板の除電装置の
第１実施例を示す図であり、第１図はその断面図
、第２図は第１図の−矢視正面図である。第
３図は本考案に係る防塵板の除電装置の第２実施
例の断面図である。第４〜７図は従来の防塵板を
示す図であり、第４図はそれを用いたレーザプリ
ンタの概略斜視図、第５図は第４図の要部斜視図
、第６図はその他の例の概略断面図、第７図は第
６図の要部断面図である。
２……防塵板、２ａ……透過面、３……光学ユ
ニツト、３Ａ……ユニツトケース、５……光出射
窓、８……感光体、２１，３１……防塵板の除電
装置、２２，３３……除電ブラシ、２２ａ，３３
ａ……把持部、２２ｂ，３３ｂ……ブラシ、Ａ…
…摺動方向、Ｂ……幅方向。
1 and 2 are diagrams showing a first embodiment of a static eliminator for a dustproof plate according to the present invention, with FIG. 1 being a sectional view thereof, and FIG. 2 being a front view taken in the direction of the - arrow in FIG. 1. FIG. 3 is a sectional view of a second embodiment of the static eliminator for a dustproof plate according to the present invention. Figures 4 to 7 are diagrams showing conventional dustproof plates, Figure 4 is a schematic perspective view of a laser printer using the same, Figure 5 is a perspective view of the main part of Figure 4, and Figure 6 is a schematic perspective view of a laser printer using the same. A schematic cross-sectional view of an example, FIG. 7 is a cross-sectional view of the main part of FIG. 6. 2...Dustproof plate, 2a...Transmission surface, 3...Optical unit, 3A...Unit case, 5...Light exit window, 8...Photoreceptor, 21, 31...Static eliminator for dustproof plate, 22, 33... Static elimination brush, 22a, 33
a...Gripping part, 22b, 33b...Brush, A...
...Sliding direction, B...Width direction.
Claims (1)
され光を透過する透過面を有する防塵板の前記透
過面に接触でき、前記光学ユニツトのユニツトケ
ースまたは光学ユニツトを装着した本体ケースに
取付けた導電部材からなる導電体を備え、前記防
塵板を前記光出射窓に装着時に前記透過面に前記
導電体が接触し除電することを特徴とする防塵板
の除電装置。 (2) 前記光学ユニツトの光出射窓は感光体を臨
んで設けられ、前記導電体が前記防塵板の少なく
とも前記感光体側の前記透過面に接触できるよう
に取付けられたことを特徴とする請求項１記載の
防塵板の除電装置。[Claims for Utility Model Registration] (1) A dustproof plate that is detachably attached to the light exit window of an optical unit and has a transmission surface that transmits light, and that is capable of contacting the transmission surface of the dustproof plate and that is attached to the unit case of the optical unit or the optical unit. A static eliminator for a dust-proof plate, comprising a conductor made of a conductive member attached to a main body case in which the dust-proof plate is attached, and when the dust-proof plate is attached to the light exit window, the conductor comes into contact with the transparent surface and eliminates static electricity. . (2) The light exit window of the optical unit is provided facing the photoreceptor, and the conductor is attached so as to be able to come into contact with at least the transparent surface of the dustproof plate on the photoreceptor side. A static eliminator for a dustproof plate according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025290U JPH03122450U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3025290U JPH03122450U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03122450U true JPH03122450U (en) | 1991-12-13 |
Family
ID=31532978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3025290U Pending JPH03122450U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03122450U (en) |
-
1990
- 1990-03-23 JP JP3025290U patent/JPH03122450U/ja active Pending
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