JPS6189839U - - Google Patents
Info
- Publication number
- JPS6189839U JPS6189839U JP17498484U JP17498484U JPS6189839U JP S6189839 U JPS6189839 U JP S6189839U JP 17498484 U JP17498484 U JP 17498484U JP 17498484 U JP17498484 U JP 17498484U JP S6189839 U JPS6189839 U JP S6189839U
- Authority
- JP
- Japan
- Prior art keywords
- lens barrel
- zoom
- lens
- barrel
- adjusting
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Variable Magnification In Projection-Type Copying Machines (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案に係る実施例の複写機内部概略説明図、第３
図は本実施例の変倍機構を示す概略横断面図、第
４図はその縦断面図である。
１…スリツト露光プラテン移動型乾式電子写真
複写機、２…ケーシング、３…プラテンガラス、
４…プラテンカバー、５…原稿、６…露光ランプ
、７…第１ミラー、８…第２ミラー、９…第３ミ
ラー、１０…第４ミラー、１１…ズームレンズ、
１２…外鏡胴、１３…ドラム状感光体、１４…帯
電器、１５…現像器、１６…転写器、１７…剥離
器、１８…クリーニング器、１９…用紙トレイ、
２０…用紙、２１…給紙装置、２２…定着器、２
３…排紙装置、２４…排紙トレイ、３０…距離調
節鏡胴、３１…ズーム調節鏡胴、３２…取手、３
３…長溝、３４，３５…プーリ、３６…無端状ベ
ルト、３７…ステツピングモータ、３８…溝、３
９…カムフオロワー。
Fig. 1 is a diagram corresponding to claims of the present invention, Fig. 2 is a schematic explanatory diagram of the interior of a copying machine according to an embodiment of the present invention, and Fig. 3 is a diagram corresponding to claims of the present invention.
The figure is a schematic cross-sectional view showing the variable power mechanism of this embodiment, and FIG. 4 is a longitudinal cross-sectional view thereof. 1... Slit exposure platen moving type dry electrophotographic copying machine, 2... Casing, 3... Platen glass,
4...Platen cover, 5...Original, 6...Exposure lamp, 7...First mirror, 8...Second mirror, 9...Third mirror, 10...Fourth mirror, 11...Zoom lens,
12...Outer lens barrel, 13...Drum-shaped photoreceptor, 14...Charging device, 15...Developing device, 16...Transfer device, 17...Peeling device, 18...Cleaning device, 19...Paper tray,
20... Paper, 21... Paper feeding device, 22... Fixing device, 2
3... Paper discharge device, 24... Paper discharge tray, 30... Distance adjustment barrel, 31... Zoom adjustment barrel, 32... Handle, 3
3... Long groove, 34, 35... Pulley, 36... Endless belt, 37... Stepping motor, 38... Groove, 3
9... Cam follower.
Claims (1)
をなすズーム調節鏡胴からなるズームレンズを利
用した複写倍率可変型複写機において、前記ズー
ム調節鏡胴に突出して設けられたカムフオロワー
と、同カムフオロワーの動きを規制して前記ズー
ム調節鏡胴の回転量を制御する曲面カムを有して
ズームレンズを覆う外鏡胴と、複写倍率に対応し
て該ズームレンズを光軸方向に移動し距離調節鏡
胴の位置を調整するズームレンズ移動調整手段と
を備え、前記外鏡胴の曲面カムは複写倍率に応じ
たズームレンズの移動量から該複写倍率に応じた
焦点距離を得るべくズーム調節鏡胴を所定量回転
させるように形状が形成されたことを特徴とする
複写機の連続変倍機構。 In a variable magnification copying machine using a zoom lens consisting of a distance adjusting lens barrel and a zoom adjusting lens barrel forming a threaded pair with the same distance adjusting lens barrel, a cam follower provided protrudingly on the zoom adjusting lens barrel; an outer lens barrel that covers the zoom lens and has a curved cam that controls the amount of rotation of the zoom adjustment lens barrel by regulating the movement of a cam follower; and a zoom lens movement adjustment means for adjusting the position of the adjustment lens barrel, and the curved cam of the outer lens barrel is configured to move the zoom lens to obtain a focal length corresponding to the copying magnification from the amount of movement of the zoom lens corresponding to the copying magnification. A continuous variable magnification mechanism for a copying machine, characterized in that the shape is formed to rotate a barrel by a predetermined amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17498484U JPS6189839U (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17498484U JPS6189839U (en) | 1984-11-20 | 1984-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6189839U true JPS6189839U (en) | 1986-06-11 |
Family
ID=30732589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17498484U Pending JPS6189839U (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6189839U (en) |
-
1984
- 1984-11-20 JP JP17498484U patent/JPS6189839U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4118118A (en) | Electrostatic copier machine with selectable magnification ratios | |
| US4571061A (en) | Image forming apparatus | |
| US4551005A (en) | Method of forming images of sensor patterns in effecting image density control of electrophotographic copying apparatus | |
| US4154524A (en) | Copying apparatus for thick and sheet originals | |
| US4124289A (en) | Electrophotographic copying apparatus | |
| US3752573A (en) | Electrostatic copying machine | |
| JPS6189839U (en) | ||
| JPS6189841U (en) | ||
| JPS6189842U (en) | ||
| JPS6189840U (en) | ||
| JPS6189843U (en) | ||
| US4580891A (en) | Optical positioning apparatus for electrophotographic copying machine | |
| JPS6189838U (en) | ||
| JPS6194841U (en) | ||
| JPS6188145U (en) | ||
| JPS6188144U (en) | ||
| JPS5837059Y2 (en) | Mirror position fine adjustment device for slit scanning exposure type copying machine that performs three or more types of magnification changes | |
| JPS634557U (en) | ||
| JPS6170844U (en) | ||
| JPS57118285A (en) | Image former | |
| JPS56125773A (en) | Light quantity corrector | |
| JPS6149344U (en) | ||
| JPS61121442U (en) | ||
| JPH0731249Y2 (en) | Image forming device | |
| JPS63188649U (en) |