JPH02142834U - - Google Patents
Info
- Publication number
- JPH02142834U JPH02142834U JP915589U JP915589U JPH02142834U JP H02142834 U JPH02142834 U JP H02142834U JP 915589 U JP915589 U JP 915589U JP 915589 U JP915589 U JP 915589U JP H02142834 U JPH02142834 U JP H02142834U
- Authority
- JP
- Japan
- Prior art keywords
- lens unit
- copying machine
- positioning
- frame
- positioning pin
- 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
- 230000005856 abnormality Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Description
第１図はレンズユニツト及びレンズユニツトを
駆動制御する電子制御回路を示す説明図、第２図
は複写機の全体構成を示す概略構成図、第３図は
レンズユニツトの駆動制御を示すフローチヤート
である。
１…複写機、６…レンズユニツト、３０，３２
…位置決めピン、３４，３６…ソレノイド、７２
，７４…ばね、８２…電子制御回路。
Figure 1 is an explanatory diagram showing the lens unit and the electronic control circuit that drives and controls the lens unit, Figure 2 is a schematic diagram showing the overall configuration of the copying machine, and Figure 3 is a flowchart showing the drive control of the lens unit. be. 1... Copying machine, 6... Lens unit, 30, 32
...Positioning pin, 34, 36...Solenoid, 72
, 74... Spring, 82... Electronic control circuit.
Claims (1)
ユニツトを鉛直方向に移動可能に支持するフレー
ムと、該フレームに設けられ設定複写倍率に対応
してレンズユニツトの位置決めを行なう複数の位
置決め孔と、前記レンズユニツトに設けられ位置
決め孔に通されてレンズユニツトを固定する位置
決めピンと、を備えた複写機の変倍機構において
、 前記位置決めピンをフレーム側に付勢して突出
させる突出用付勢手段と、前記レンズユニツトの
移動中は突出用付勢手段の付勢に抗して、前記位
置決めピンを通電による駆動によつてフレームか
ら離間させるアクチユエータと、前記レンズユニ
ツトの移動中に複写機の異常を検出した時には、
前記アクチユエータへの通電を遮断して、前記突
出用付勢手段によつて位置決めピンを突出させて
レンズユニツトを固定する異常時固定手段と、を
備えたことを特徴とする複写機の変倍機構。 ２ 前記請求項１記載の複写機の変倍機構であつ
て、前記通電の遮断に先だつて、前記レンズユニ
ツトの位置に応じた所定の位置決め孔までレンズ
ユニツトを移動させることを特徴とする複写機の
変倍機構。[Claims for Utility Model Registration] 1. An imaging lens unit of a copying machine, a frame that supports the lens unit so as to be movable in the vertical direction, and a frame provided on the frame that positions the lens unit in accordance with a set copying magnification. In the variable magnification mechanism of a copying machine, the mechanism includes a plurality of positioning holes for positioning the lens unit, and a positioning pin provided in the lens unit and fixed to the lens unit by passing through the positioning hole. an actuator that moves the positioning pin away from the frame by driving the positioning pin with electricity against the urging of the projection urging means during the movement of the lens unit; When an abnormality is detected in the copying machine during
A variable magnification mechanism for a copying machine, comprising: abnormality fixing means for cutting off power to the actuator, causing the positioning pin to protrude using the protrusion biasing means, and fixing the lens unit. . 2. The variable magnification mechanism for a copying machine according to claim 1, wherein the lens unit is moved to a predetermined positioning hole according to the position of the lens unit before the power supply is cut off. variable power mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP915589U JPH02142834U (en) | 1989-01-27 | 1989-01-27 | |
| US07/470,899 US5049926A (en) | 1989-01-27 | 1990-01-26 | Image recording apparatus having a mechanism for varying copying magnification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP915589U JPH02142834U (en) | 1989-01-27 | 1989-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02142834U true JPH02142834U (en) | 1990-12-04 |
Family
ID=31512759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP915589U Pending JPH02142834U (en) | 1989-01-27 | 1989-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02142834U (en) |
-
1989
- 1989-01-27 JP JP915589U patent/JPH02142834U/ja active Pending
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