JPS5995346U - Exposure adjustment device for electrophotographic copying machines - Google Patents
Exposure adjustment device for electrophotographic copying machinesInfo
- Publication number
- JPS5995346U JPS5995346U JP17951783U JP17951783U JPS5995346U JP S5995346 U JPS5995346 U JP S5995346U JP 17951783 U JP17951783 U JP 17951783U JP 17951783 U JP17951783 U JP 17951783U JP S5995346 U JPS5995346 U JP S5995346U
- Authority
- JP
- Japan
- Prior art keywords
- exposure amount
- adjustment device
- exposure
- stopper
- plate
- 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
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の露光調整装置の説明図、第２図は杏考案
による露光調整装置の説明図である。
９・・・固定絞り板、１０・・・可動絞り板、１２・・
・絞りレバー、１６・・・位置決め板、１６Ａ・・・目
印用切欠、１７・・・上限ストッパ、１７Ａ・・・調整
ねじ、１８・・・下限ストッパ、１８Ａ・・・調整ねじ
、１９・・・下限ばね、２０・・・上限ばね。FIG. 1 is an explanatory diagram of a conventional exposure adjustment device, and FIG. 2 is an explanatory diagram of an exposure adjustment device invented by An. 9... Fixed aperture plate, 10... Movable aperture plate, 12...
・Aperture lever, 16... Positioning plate, 16A... Notch for mark, 17... Upper limit stopper, 17A... Adjustment screw, 18... Lower limit stopper, 18A... Adjustment screw, 19... -Lower limit spring, 20...upper limit spring.
Claims (3)
写機における露光調整装置に於て、露光量の上限のため
の絞り用ストッパと、露光量の下限のための絞り板圧ス
トッパと、上限露光量および下限露光量の変移のため上
記各校り板圧ストツ′ ・マの位置を任意に調
整する機構とを設け、更に−両ストッパの標準位置が目
視で判る記号又は印を上記機構に付設したことを特徴と
する露光量。 整装置。(1) In an exposure adjustment device for an electrophotographic copying machine that uses an aperture plate to adjust the exposure amount, an aperture stopper for the upper limit of the exposure amount, an aperture plate pressure stopper for the lower limit of the exposure amount, and an upper limit A mechanism is provided to arbitrarily adjust the position of each of the above-mentioned calibration plate pressure stops for changing the exposure amount and the lower limit exposure amount, and furthermore, a symbol or mark is provided on the above-mentioned mechanism so that the standard position of both stoppers can be visually determined. Exposure amount characterized by being attached. Adjustment device.
に摺動可能でありかつ長孔とこれに挿着されたねじとに
より任意位置に固着可能な部材より成ることを特徴とす
る実用新案登録請求の範囲第１項に記載の露光調整装置
。(2) Practical use characterized in that both stoppers for the upper and lower limits of the exposure amount are made of a member that is slidable on the positioning plate and can be fixed at any position by a long hole and a screw inserted therein. An exposure adjustment device according to claim 1 of the patent registration claim.
ストッパに当接するのを保証するばねおよび下甲のため
のストッパに当接するのを保証するばねを設けたことを
特徴とする実用新案登録請求の範囲第１項に記載の露光
調整装置。(3) A utility model characterized by the provision of a spring that ensures that the diaphragm plate or its support comes into contact with a stopper for the upper limit of exposure and a spring that ensures that the stopper for the lower plate comes into contact with the stopper. An exposure adjustment device according to registered claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17951783U JPS5995346U (en) | 1983-11-22 | 1983-11-22 | Exposure adjustment device for electrophotographic copying machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17951783U JPS5995346U (en) | 1983-11-22 | 1983-11-22 | Exposure adjustment device for electrophotographic copying machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5995346U true JPS5995346U (en) | 1984-06-28 |
Family
ID=30389483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17951783U Pending JPS5995346U (en) | 1983-11-22 | 1983-11-22 | Exposure adjustment device for electrophotographic copying machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5995346U (en) |
-
1983
- 1983-11-22 JP JP17951783U patent/JPS5995346U/en active Pending
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