JPS6194841U - - Google Patents
Info
- Publication number
- JPS6194841U JPS6194841U JP17864884U JP17864884U JPS6194841U JP S6194841 U JPS6194841 U JP S6194841U JP 17864884 U JP17864884 U JP 17864884U JP 17864884 U JP17864884 U JP 17864884U JP S6194841 U JPS6194841 U JP S6194841U
- Authority
- JP
- Japan
- Prior art keywords
- zoom
- lens barrel
- lens
- movement
- cable
- 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 1
- 238000010586 diagram Methods 0.000 description 4
- 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側面図（曲面カム
を除く）、第４図はその正面図、第５図はカム形
状算出のための座標系を示す図である。
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……レンズマウント
、１３……ドラム状感光体、１４……帯電器、１
５……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、２３……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
、３２，３３……レンズ移動シヤフト、３４，３
５……プーリ、３６……無端ベルト、３７……ス
テツピングモータ、３８ａ，３８ｂ……カム、３
９……ケーブル、４０，４１，４２……プーリ、
４３……引張りバネ。
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 side view (excluding the curved cam) of the variable magnification mechanism of this embodiment, FIG. 4 is a front view thereof, and FIG. 5 is a diagram showing a coordinate system for calculating the cam shape. 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...lens mount, 13...drum-shaped photoreceptor, 14...charger, 1
5...Developer, 16...Transfer device, 17...Peeler, 18...Cleaning device, 19...Paper tray, 20...Paper, 21...Paper feeder, 22...Fuser, 23... ...Paper output device, 24...Paper output tray,
30... Distance adjustment lens barrel, 31... Zoom adjustment lens barrel, 32, 33... Lens moving shaft, 34, 3
5... Pulley, 36... Endless belt, 37... Stepping motor, 38a, 38b... Cam, 3
9... Cable, 40, 41, 42... Pulley,
43...Tension spring.
Claims (1)
レンズを使用した複写倍率可変型複写機において
、複写倍率に対応して前記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、前記ズームレンズの動き
を前記ズーム調節鏡胴の移動に用いるべく運動を
伝達するケーブルと、所定位置に固定されたカム
であつて前記ケーブルをその曲面に沿わせるよう
にしたカムとを備え、同カムは複写倍率に応じた
ズームレンズの移動量を前記ズーム調整鏡胴の所
定の移動量に変換し、該複写倍率に応じた焦点距
離を得ることができ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 copying magnification type copying machine using a zoom lens consisting of a distance adjusting lens barrel and a zoom adjusting lens barrel, the zoom lens is moved in the optical axis direction in accordance with the copying magnification to adjust the position of the distance adjusting lens barrel. a lens movement adjustment means; a cable for transmitting motion so that the movement of the zoom lens is used to move the zoom adjustment lens barrel; and a cam fixed at a predetermined position so as to cause the cable to follow the curved surface of the cable. The cam has a shape such that it can convert the amount of movement of the zoom lens corresponding to the copying magnification into a predetermined amount of movement of the zoom adjustment lens barrel, and obtain a focal length corresponding to the copying magnification. A continuous variable magnification mechanism for a copying machine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17864884U JPS6194841U (en) | 1984-11-27 | 1984-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17864884U JPS6194841U (en) | 1984-11-27 | 1984-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194841U true JPS6194841U (en) | 1986-06-18 |
Family
ID=30736213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17864884U Pending JPS6194841U (en) | 1984-11-27 | 1984-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194841U (en) |
-
1984
- 1984-11-27 JP JP17864884U patent/JPS6194841U/ja active Pending
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