JPH0344609U - - Google Patents
Info
- Publication number
- JPH0344609U JPH0344609U JP10574089U JP10574089U JPH0344609U JP H0344609 U JPH0344609 U JP H0344609U JP 10574089 U JP10574089 U JP 10574089U JP 10574089 U JP10574089 U JP 10574089U JP H0344609 U JPH0344609 U JP H0344609U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- support shaft
- rotation angle
- paper
- arm
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Controlling Sheets Or Webs (AREA)
Description
第１図は本考案に係る用紙の厚さ検出装置の一
実施例の構造を示す概略的な斜視図、第２図は従
来の用紙の厚さ検出装置を組み込んだ画像読取装
置の概略的な構成図、第３図は従来の用紙の厚さ
検出装置の構造を示す概略的な斜視図である。
３０……走行台、３１……支軸、３２……回転
アーム、３３……ローラ（当接部材）、３４……
支軸、３５……回転軸、３６……歯車、３６，３
８……大径の歯車、３７，４１……小径の歯車、
３９……回転型ポテンシヨメータ、４０……検出
軸、Ｐ……用紙。
FIG. 1 is a schematic perspective view showing the structure of an embodiment of a paper thickness detection device according to the present invention, and FIG. 2 is a schematic perspective view of an image reading device incorporating a conventional paper thickness detection device. FIG. 3 is a schematic perspective view showing the structure of a conventional paper thickness detection device. 30... Travel platform, 31... Support shaft, 32... Rotating arm, 33... Roller (contact member), 34...
Support shaft, 35...Rotating shaft, 36...Gear, 36,3
8... Large diameter gear, 37, 41... Small diameter gear,
39...Rotary potentiometer, 40...Detection axis, P...Paper.
Claims (1)
の厚さに応じて上下に移動する当接部材と、 装置本体に支持される支軸と、 上記当接部材を支持すると共に、上記支軸に支
持され、上記当接部材の上下の移動により、この
移動量に応じた角度だけ上記支軸を中心に回転す
る回転アームと、 所定のギア比を有する大径の歯車と小径の歯車
とを噛合させることにより、上記支軸を中心にし
た上記回転アームの回転角よりも大きい回転角の
回転変位を出力するギア増幅機構と、 上記ギア増幅機構が出力する回転変位を検出軸
に受けて、この検出軸の回転角に応じた大きさの
電気信号を出力する回転型ポテンシヨメータとを
有することを特徴とする用紙の厚さ検出装置。[Scope of Claim for Utility Model Registration] A contact member that contacts the top surface of the paper traveling along the travel path and moves up and down depending on the thickness of the paper, a support shaft supported by the main body of the device, and the above contact member. a rotating arm that is supported by the support shaft and rotates around the support shaft by an angle corresponding to the amount of movement of the abutment member; and a large diameter arm that has a predetermined gear ratio. a gear amplification mechanism that outputs a rotational displacement with a rotation angle larger than a rotation angle of the rotary arm about the support shaft by meshing a gear with a small diameter gear; and a rotation output by the gear amplification mechanism. 1. A paper thickness detection device comprising: a rotary potentiometer that receives displacement on a detection shaft and outputs an electrical signal of a magnitude corresponding to the rotation angle of the detection shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574089U JPH0344609U (en) | 1989-09-08 | 1989-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574089U JPH0344609U (en) | 1989-09-08 | 1989-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344609U true JPH0344609U (en) | 1991-04-25 |
Family
ID=31654499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10574089U Pending JPH0344609U (en) | 1989-09-08 | 1989-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344609U (en) |
-
1989
- 1989-09-08 JP JP10574089U patent/JPH0344609U/ja active Pending