JPH0475855U - - Google Patents
Info
- Publication number
- JPH0475855U JPH0475855U JP11955890U JP11955890U JPH0475855U JP H0475855 U JPH0475855 U JP H0475855U JP 11955890 U JP11955890 U JP 11955890U JP 11955890 U JP11955890 U JP 11955890U JP H0475855 U JPH0475855 U JP H0475855U
- Authority
- JP
- Japan
- Prior art keywords
- paper conveyance
- drive roller
- roller
- pinch roller
- support member
- 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
Description
第１図は本考案のローラ装置の側面図、第２図
はその正面図、第３図は本考案のローラ装置を適
用可能な複写機の説明図、第４図は従来のローラ
装置の側面図であり、第５図はローラが正確に位
置決めされない場合の説明図である。
図中の符号、１……ローラ装置、２……駆動ロ
ーラ、３……駆動ローラ軸、５……軸受、８……
ステー、９……ガイド溝、１０……ピンチローラ
、１３……軸受部材、１５……用紙搬送路、１６
……下ガイド板、１８……上ガイド板、２０……
複写機、２１……上部フレーム、２３……下部フ
レーム、３２……感光体ドラム、４０……給紙カ
セツト、４３……レジゲート、４４……レジロー
ラ。
Fig. 1 is a side view of the roller device of the present invention, Fig. 2 is a front view thereof, Fig. 3 is an explanatory diagram of a copying machine to which the roller device of the present invention can be applied, and Fig. 4 is a side view of a conventional roller device. FIG. 5 is an explanatory diagram of a case where the rollers are not accurately positioned. Symbols in the figure: 1... Roller device, 2... Drive roller, 3... Drive roller shaft, 5... Bearing, 8...
Stay, 9...Guide groove, 10...Pinch roller, 13...Bearing member, 15...Paper conveyance path, 16
...Lower guide plate, 18...Upper guide plate, 20...
Copying machine, 21... Upper frame, 23... Lower frame, 32... Photosensitive drum, 40... Paper feed cassette, 43... Registration gate, 44... Registration roller.
Claims (1)
に設ける駆動ローラと、開閉フレームに設けるピ
ンチローラとから構成し、用紙搬送路を開閉可能
に設けてなる装置において、 前記駆動ローラを軸受を介して支持する支持部
材に対して、ピンチローラの軸受部材を位置決め
する手段を設け、 用紙搬送部を閉じた際に、駆動ローラ軸とピン
チローラ軸とを、支持部材を介して位置決めする
ように構成したことを特徴とする画像形成装置の
用紙搬送装置。[Claims for Utility Model Registration] A device in which a roller device disposed on a paper conveyance path is composed of a drive roller provided at a fixed position and a pinch roller provided on an opening/closing frame, and the paper conveyance path is provided so as to be openable and closable, Means is provided for positioning the bearing member of the pinch roller with respect to the support member that supports the drive roller via the bearing, and when the paper conveying section is closed, the drive roller shaft and the pinch roller shaft are connected to the support member. 1. A paper conveyance device for an image forming apparatus, characterized in that the paper conveyance device is configured to perform positioning through the paper conveyance device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11955890U JPH0475855U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11955890U JPH0475855U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475855U true JPH0475855U (en) | 1992-07-02 |
Family
ID=31867508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11955890U Pending JPH0475855U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006151589A (en) * | 2004-11-29 | 2006-06-15 | Ricoh Co Ltd | Both-sided reverse feeding device and image forming apparatus |
| JP2015178402A (en) * | 2014-03-19 | 2015-10-08 | キヤノン株式会社 | Sheet conveyance apparatus and image formation apparatus |
-
1990
- 1990-11-14 JP JP11955890U patent/JPH0475855U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006151589A (en) * | 2004-11-29 | 2006-06-15 | Ricoh Co Ltd | Both-sided reverse feeding device and image forming apparatus |
| JP2015178402A (en) * | 2014-03-19 | 2015-10-08 | キヤノン株式会社 | Sheet conveyance apparatus and image formation apparatus |
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