JPS6426758U - - Google Patents
Info
- Publication number
- JPS6426758U JPS6426758U JP12072687U JP12072687U JPS6426758U JP S6426758 U JPS6426758 U JP S6426758U JP 12072687 U JP12072687 U JP 12072687U JP 12072687 U JP12072687 U JP 12072687U JP S6426758 U JPS6426758 U JP S6426758U
- Authority
- JP
- Japan
- Prior art keywords
- rollers
- pair
- recording material
- pressure
- toner image
- 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 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図乃至第３図は本考案の実施例１を示し、
第１図は通紙時の概略側面図、第２図は第１図の
Ａ―Ａ矢視平面図、第３図は非通紙時の概略側面
図を示している。第４図は本考案を有効に実施で
きる電子写真複写機の概略図、第５図、第６図は
夫々実施例１の変形側を示す概略側面図、第７図
は実施例２の概略側面図、第８図は従来の紙検知
装置の概略側面図を示している。
１９……下加圧ローラ、２２……上加圧ローラ
、２４……受光センサ、２５……発光素子、３５
……定着上側板、３６……定着下側板、３７……
定着上ステイ、３８……定着下ステイ。
1 to 3 show Example 1 of the present invention,
FIG. 1 is a schematic side view when paper is passing through, FIG. 2 is a plan view taken along the line AA in FIG. 1, and FIG. 3 is a schematic side view when paper is not passing. FIG. 4 is a schematic diagram of an electrophotographic copying machine that can effectively implement the present invention, FIGS. 5 and 6 are schematic side views showing modified versions of the first embodiment, and FIG. 7 is a schematic side view of the second embodiment. FIG. 8 shows a schematic side view of a conventional paper detection device. 19...Lower pressure roller, 22...Upper pressure roller, 24...Light receiving sensor, 25...Light emitting element, 35
... Upper fixing plate, 36... Lower fixing plate, 37...
Fixing upper stay, 38... Fixing lower stay.
Claims (1)
合う方向に加圧し、該両ローラ間にトナー像が転
写された記録材を通過させ、トナー像を該記録材
に定着させる圧力定着装置において、記録材が前
記一対のローラ間を通過する際に生じる隙間、又
は該ローラ対の該隙間形成時に該ローラ対の移動
に依存して形成される隙間の一方に他方から入射
する光を検知する光検知手段を設けたことを特徴
とする圧力定着装置の記録材検知装置。 In a pressure fixing device, pressure is applied to both ends of a pair of fixing rollers in directions facing each other, a recording material on which a toner image has been transferred is passed between the two rollers, and the toner image is fixed on the recording material. light detecting means for detecting light entering one of the gaps formed when the roller passes between the pair of rollers or the gap formed depending on the movement of the pair of rollers when the gap is formed from the other. A recording material detection device for a pressure fixing device, characterized in that it is provided with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12072687U JPS6426758U (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12072687U JPS6426758U (en) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6426758U true JPS6426758U (en) | 1989-02-15 |
Family
ID=31367093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12072687U Pending JPS6426758U (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6426758U (en) |
-
1987
- 1987-08-06 JP JP12072687U patent/JPS6426758U/ja active Pending