JPH0359949U - - Google Patents
Info
- Publication number
- JPH0359949U JPH0359949U JP12045489U JP12045489U JPH0359949U JP H0359949 U JPH0359949 U JP H0359949U JP 12045489 U JP12045489 U JP 12045489U JP 12045489 U JP12045489 U JP 12045489U JP H0359949 U JPH0359949 U JP H0359949U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- bearing
- roller
- conveyance
- conveyance roller
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Controlling Sheets Or Webs (AREA)
Description
図面はこの考案の実施例を示すもので、第１図
は搬送ローラ保持構造を示す分解斜視図、第２図
はその組立正面図、第３図はその側方から見た縦
断面図、第４図は正面側から見た縦断面図、第５
図は第１図ないし第４図に示すローラ保持構造を
備えるプリンタ本体の内部機構の全体概略構成図
、第６図はそのプリンタ本体を有するレーザプリ
ンタのシステム構成図である。
２７……用紙、３４……レジストローラ（搬送
ローラ）、３４ａ……駆動ローラ（他方の搬送ロ
ーラ）、３４ｂ……従動ローラ（一方の搬送ロー
ラ）、４０……ローラ軸、４１……軸受、４１ａ
……軸受の凹部、４４……圧電素子、４６……加
圧スプリング、４８……判別手段。
The drawings show an embodiment of this invention; FIG. 1 is an exploded perspective view showing the conveyor roller holding structure, FIG. 2 is an assembled front view thereof, FIG. Figure 4 is a vertical sectional view seen from the front side, Figure 5
The figure is a general schematic diagram of the internal mechanism of the printer body equipped with the roller holding structure shown in FIGS. 1 to 4, and FIG. 6 is a system diagram of a laser printer having the printer body. 27... Paper, 34... Registration roller (conveyance roller), 34a... Drive roller (other conveyance roller), 34b... Driven roller (one conveyance roller), 40... Roller shaft, 41... Bearing, 41a
... recess of bearing, 44 ... piezoelectric element, 46 ... pressure spring, 48 ... discrimination means.
Claims (1)
と、 その軸受の凹部内に収納する圧電素子と、 その圧電素子を介し前記軸受をラジアル方向に
付勢して前記一方の搬送ローラを他方の前記搬送
ローラに押し当てる加圧スプリングと、 前記圧電素子の出力電圧を基準値と比較して信
号を出力する判別手段と、 を備えてなる用紙記録装置。[Claims for Utility Model Registration] A pair of conveyance rollers that pinch and convey paper, a bearing that receives the roller shaft of one of the conveyance rollers, a piezoelectric element that is housed in a recess of the bearing, and a piezoelectric element that is conveyed through the piezoelectric element. a pressure spring that urges the bearing in a radial direction to press the one conveyance roller against the other conveyance roller; and a determination means that compares the output voltage of the piezoelectric element with a reference value and outputs a signal. A paper recording device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12045489U JPH0359949U (en) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12045489U JPH0359949U (en) | 1989-10-13 | 1989-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359949U true JPH0359949U (en) | 1991-06-12 |
Family
ID=31668530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12045489U Pending JPH0359949U (en) | 1989-10-13 | 1989-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079665A (en) * | 2009-09-10 | 2011-04-21 | Ricoh Co Ltd | Sheet thickness detecting device and image forming device |
-
1989
- 1989-10-13 JP JP12045489U patent/JPH0359949U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011079665A (en) * | 2009-09-10 | 2011-04-21 | Ricoh Co Ltd | Sheet thickness detecting device and image forming device |