JPS6265430U - - Google Patents
Info
- Publication number
- JPS6265430U JPS6265430U JP15604285U JP15604285U JPS6265430U JP S6265430 U JPS6265430 U JP S6265430U JP 15604285 U JP15604285 U JP 15604285U JP 15604285 U JP15604285 U JP 15604285U JP S6265430 U JPS6265430 U JP S6265430U
- Authority
- JP
- Japan
- Prior art keywords
- paper feed
- feed cassette
- pressing member
- detection device
- switch
- 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
- 230000005489 elastic deformation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図Ａはこの考案の実施例である給紙カセツ
ト検知装置の検知スイツチの外観、第１図Ｂは給
紙カセツトの後面をそれぞれ表す。第２図Ａ，Ｂ
は第１図Ａ，Ｂのそれぞれの断面を表す図である
。第３図は検知スイツチを構成する回路基板とそ
の回路基板に設けた配線パターンを表す図である
。第４図はキーラバーの押圧による変形状態を表
す図、第５図はキーラバーの押圧によるストロー
クとキーラバーの導電部の変位との関係を表す図
である。第６図Ａ，Ｂおよび第７図Ａ，Ｂは従来
の給紙カセツト検知装置の検知スイツチを表す図
である。
２……突起、３……給紙カセツト、５……回路
基板、５ａ，５ｂ……接点電極、１１〜１４……
キーラバー。
FIG. 1A shows the external appearance of a detection switch of a paper feed cassette detection device according to an embodiment of this invention, and FIG. 1B shows the rear surface of the paper feed cassette. Figure 2 A, B
1A and 1B are cross-sectional views of FIGS. 1A and 1B. FIG. 3 is a diagram showing a circuit board constituting the detection switch and a wiring pattern provided on the circuit board. FIG. 4 is a diagram showing the deformation state of the key rubber due to pressing, and FIG. 5 is a diagram showing the relationship between the stroke due to pressing of the key rubber and the displacement of the conductive portion of the key rubber. FIGS. 6A and 6B and FIGS. 7A and 7B are diagrams showing a detection switch of a conventional paper feed cassette detection device. 2...Protrusion, 3...Paper feed cassette, 5...Circuit board, 5a, 5b...Contact electrode, 11-14...
Key Lover.
Claims (1)
在の給紙カセツトと、この給紙カセツトの装着に
より前記突起が当接して、弾性変形する押圧部材
と、この押圧部材の弾性変形によつてオンする接
点電極を有するスイツチと、このスイツチの状態
によつて、前記給紙カセツトの種別を判別する判
別手段よりなる給紙カセツト検知装置において、 前記押圧部材をラバー一体成型により形成し、
外形がドーム状または略円錐状で、その内面中央
部を前記接点電極をオンするための凸状部とした
ことを特徴とする給紙カセツト検知装置。[Scope of Claim for Utility Model Registration] A removable paper feed cassette having a protrusion indicating the type of paper size, etc., a pressing member that is elastically deformed when the protrusion comes into contact with the paper feed cassette when the paper feed cassette is attached, and the pressing member A paper feed cassette detection device comprising a switch having a contact electrode that is turned on by elastic deformation of the paper feed cassette, and a discriminating means for discriminating the type of the paper feed cassette based on the state of the switch, wherein the pressing member is integrally molded with rubber. formed by,
1. A paper feed cassette detection device having a dome-like or substantially conical outer shape, and having a convex portion at the center of the inner surface for turning on the contact electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15604285U JPS6265430U (en) | 1985-10-11 | 1985-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15604285U JPS6265430U (en) | 1985-10-11 | 1985-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6265430U true JPS6265430U (en) | 1987-04-23 |
Family
ID=31077290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15604285U Pending JPS6265430U (en) | 1985-10-11 | 1985-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6265430U (en) |
-
1985
- 1985-10-11 JP JP15604285U patent/JPS6265430U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6265430U (en) | ||
| JPS5817734U (en) | push button switch | |
| JPH01115134U (en) | ||
| JPS61120127U (en) | ||
| JPS61135393U (en) | ||
| JPS5929315Y2 (en) | switch device | |
| JPS63198131U (en) | ||
| JPH0214633U (en) | ||
| JPS625526U (en) | ||
| JPS6257340U (en) | ||
| JPH021824U (en) | ||
| JPS6098230U (en) | Structure of push button switch | |
| JPS616226U (en) | push button switch | |
| JPS6187424U (en) | ||
| JPH01172138U (en) | ||
| JPS61135425U (en) | ||
| JPS63131030U (en) | ||
| JPH01179329U (en) | ||
| JPS62111135U (en) | ||
| JPS62183333U (en) | ||
| JPS6325442U (en) | ||
| JPH034621U (en) | ||
| JPH0279525U (en) | ||
| JPS639726U (en) | ||
| JPS6210332U (en) |