JPH0279335U - - Google Patents
Info
- Publication number
- JPH0279335U JPH0279335U JP15592288U JP15592288U JPH0279335U JP H0279335 U JPH0279335 U JP H0279335U JP 15592288 U JP15592288 U JP 15592288U JP 15592288 U JP15592288 U JP 15592288U JP H0279335 U JPH0279335 U JP H0279335U
- Authority
- JP
- Japan
- Prior art keywords
- sheet member
- pressure contact
- friction pad
- item
- separating device
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
Landscapes
- Sheets, Magazines, And Separation Thereof (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図は本考案の一実施例におけるシート部材
分離装置の概略側面図、第２図は本考案の第２実
施例におけるシート部材分離装置の概略側面図、
第３図は、画像形成装置の一例としての静電写真
複写機の概略縦断側面図である。
１…給紙装置、３…送りコロ、４…摩擦パツド
コロ、１０…形状記憶合金ばね（作動手段）、１
２…形状記憶合金（作動手段）。
FIG. 1 is a schematic side view of a sheet member separating device in an embodiment of the present invention, FIG. 2 is a schematic side view of a sheet member separating device in a second embodiment of the present invention,
FIG. 3 is a schematic longitudinal sectional side view of an electrostatographic copying machine as an example of an image forming apparatus. DESCRIPTION OF SYMBOLS 1...Paper feeding device, 3...Feed roller, 4...Friction pad roller, 10...Shape memory alloy spring (operating means), 1
2...Shape memory alloy (actuation means).
Claims (1)
、この送りコロに対して摩擦パツドを圧接するよ
う配置し、これらの両者によつてシート部材を分
離搬送するようにしたシート部材分離装置におい
て、 これらの送りコロ及び摩擦パツドの圧接力を可
変となるように構成するとともに、この圧接力を
温度または湿度の変化に応じて変化させる作動手
段を備えたことを特徴とするシート部材分離装置
。 (2) 前記摩擦パツドを固定側に対して移動可能
に構成するとともに、この摩擦パツドと固定側と
の間に、温度変化によつて伸縮する形状記憶合金
を介設したことを特徴とする請求項１記載のシー
ト部材分離装置。[Claims for Utility Model Registration] (1) A feed roller that rotates in the sheet member conveyance direction and a friction pad that is arranged so as to be in pressure contact with the feed roller, so that the sheet members are separated and conveyed by both of them. The sheet member separating device according to the present invention is characterized in that the pressure contact force of these feed rollers and friction pads is configured to be variable, and that an actuation means is provided for changing the pressure contact force in accordance with changes in temperature or humidity. Sheet member separation device. (2) The friction pad is configured to be movable relative to the fixed side, and a shape memory alloy that expands and contracts with temperature changes is interposed between the friction pad and the fixed side. Item 1. The sheet member separating device according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15592288U JPH0279335U (en) | 1988-11-30 | 1988-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15592288U JPH0279335U (en) | 1988-11-30 | 1988-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279335U true JPH0279335U (en) | 1990-06-19 |
Family
ID=31433987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15592288U Pending JPH0279335U (en) | 1988-11-30 | 1988-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279335U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031026A (en) * | 2005-07-25 | 2007-02-08 | Kyocera Mita Corp | Sheet double-feeding prevention device and image forming device |
| JP2012126572A (en) * | 2010-12-10 | 2012-07-05 | Xerox Corp | Retard feeder |
| JP2018118853A (en) * | 2017-01-27 | 2018-08-02 | ゼロックス コーポレイションＸｅｒｏｘ Ｃｏｒｐｏｒａｔｉｏｎ | Automatically adjusting nip force in printing apparatus |
-
1988
- 1988-11-30 JP JP15592288U patent/JPH0279335U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031026A (en) * | 2005-07-25 | 2007-02-08 | Kyocera Mita Corp | Sheet double-feeding prevention device and image forming device |
| JP4514665B2 (en) * | 2005-07-25 | 2010-07-28 | 京セラミタ株式会社 | Sheet double feed prevention device and image forming apparatus |
| JP2012126572A (en) * | 2010-12-10 | 2012-07-05 | Xerox Corp | Retard feeder |
| JP2018118853A (en) * | 2017-01-27 | 2018-08-02 | ゼロックス コーポレイションＸｅｒｏｘ Ｃｏｒｐｏｒａｔｉｏｎ | Automatically adjusting nip force in printing apparatus |
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