JPH0185350U - - Google Patents
Info
- Publication number
- JPH0185350U JPH0185350U JP1987182267U JP18226787U JPH0185350U JP H0185350 U JPH0185350 U JP H0185350U JP 1987182267 U JP1987182267 U JP 1987182267U JP 18226787 U JP18226787 U JP 18226787U JP H0185350 U JPH0185350 U JP H0185350U
- Authority
- JP
- Japan
- Prior art keywords
- paper
- detecting device
- detecting
- absence
- utility
- 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 5
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Controlling Sheets Or Webs (AREA)
- Holders For Sensitive Materials And Originals (AREA)
- Paper Feeding For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は、この考案の一実施例に係る用紙検出
装置の斜視図、第２図は、第１図の線―に沿
う断面図、第３図は、この考案の一実施例に係る
用紙検出装置が組込まれたロール紙供給装置の図
解的断面図、第４図は、この考案に他の実施例に
係る用紙検出装置断面図、第５図は、この考案の
さらに他の実施例に係る用紙検出装置の断面図で
ある。
図において、１，３０，４０……用紙検出装置
、２……第１部材、３……第２部材、７，８……
挾持凸条、９……板ばね、１２，１３……接続電
極、１４……ロール紙給紙装置、１５……用紙、
２０……原稿紙、３１……コイルばね、３３，３
５……ローラ、４１，４２……ボール、を示す。
FIG. 1 is a perspective view of a paper detecting device according to an embodiment of this invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIG. FIG. 4 is a schematic cross-sectional view of a roll paper supply device incorporating a detection device; FIG. 4 is a cross-sectional view of a paper detection device according to another embodiment of the invention; FIG. FIG. 2 is a cross-sectional view of such a paper detection device. In the figure, 1, 30, 40... paper detection device, 2... first member, 3... second member, 7, 8...
Clamping protrusion, 9... Leaf spring, 12, 13... Connection electrode, 14... Roll paper feeding device, 15... Paper,
20...Manuscript paper, 31...Coil spring, 33,3
5...Rollers, 41, 42... Balls.
Claims (1)
および第２部材、 前記第１部材および第２部材を互いに当接方向
に予め定める一定の力で付勢する付勢手段、なら
びに 前記第１部材および第２部材に関連して設けら
れていて、両者間の用紙の在、不在を検出する検
出手段、 を含むことを特徴とする用紙検出装置。 ２ 前記検出手段は、用紙の在、不在によつて開
閉される電流回路を含み、 前記第１部材および第２部材は、前記電流回路
の一部を構成することを特徴とする、実用新案登
録請求の範囲第１項記載の用紙検出装置。 ３ 前記検出手段は、前記第１部材および第２部
材の当接部に光信号を出力するフオトセンサを含
むことを特徴とする、実用新案登録請求の範囲第
１項記載の用紙検出装置。[Claims for Utility Model Registration] 1. A pair of first and second members configured to sandwich paper, the first and second members being attached to each other with a predetermined constant force in the direction of contact. A paper detecting device comprising: a biasing means for biasing the first member and the second member, and a detecting means for detecting the presence or absence of paper between the first member and the second member. 2. Utility model registration, characterized in that the detection means includes a current circuit that is opened and closed depending on the presence or absence of paper, and the first member and the second member constitute a part of the current circuit. A paper detecting device according to claim 1. 3. The paper detecting device according to claim 1, wherein the detecting means includes a photo sensor that outputs an optical signal to a contact portion of the first member and the second member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182267U JPH0185350U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182267U JPH0185350U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185350U true JPH0185350U (en) | 1989-06-06 |
Family
ID=31473716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987182267U Pending JPH0185350U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185350U (en) |
-
1987
- 1987-11-30 JP JP1987182267U patent/JPH0185350U/ja active Pending
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