JP2009025475A5 - - Google Patents
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- JP2009025475A5 JP2009025475A5 JP2007187217A JP2007187217A JP2009025475A5 JP 2009025475 A5 JP2009025475 A5 JP 2009025475A5 JP 2007187217 A JP2007187217 A JP 2007187217A JP 2007187217 A JP2007187217 A JP 2007187217A JP 2009025475 A5 JP2009025475 A5 JP 2009025475A5
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- steering
- belt member
- image forming
- forming apparatus
- 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.)
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Claims (6)
前記ベルト部材を支持して傾斜角度が変更されるステアリング回転体と、
前記ステアリング回転体を前記ベルト部材に押圧させる一対の付勢手段と、を備えた画像形成装置において、
前記ステアリング回転体の前記傾斜角度を変更する動作に連動して少なくとも一方の前記付勢手段の付勢力を変化させて、前記ステアリング回転体の傾斜に伴って発生する前記一対の付勢手段の付勢力差を減少させることを特徴とする画像形成装置。 A belt member that is supported and moved by a plurality of rotating bodies;
A steering rotator that supports the belt member and changes an inclination angle;
An image forming apparatus comprising: a pair of urging means for pressing the steering rotating body against the belt member;
The biasing force of the pair of biasing means generated in association with the tilting of the steering rotating body is changed by changing the biasing force of at least one of the biasing means in conjunction with the operation of changing the tilt angle of the steering rotating body. An image forming apparatus that reduces a power difference.
前記ステアリング回転体を傾斜させる動作に連動して一方の前記バネ部材の他端を移動させて前記付勢力を変化させるバネ受け移動機構を有することを特徴とする請求項１記載の画像形成装置。 The biasing means is a pair of spring members each having one end connected to both ends of the steering rotating body,
2. The image forming apparatus according to claim 1, further comprising a spring receiving and moving mechanism that changes the biasing force by moving the other end of one of the spring members in conjunction with an operation of tilting the steering rotating body.
前記ベルト部材の移動方向に前記ステアリング回転体を挟んで、一対のバックアップ回転体が配置され、
前記ステアリング回転体の傾斜量は、前記一対のバックアップ回転体から前記ベルト部材が離間しない範囲で制御されることを特徴とする請求項２または３に記載の画像形成装置。 The steering rotator is disposed at a folding position of the belt member,
A pair of backup rotators are arranged across the steering rotator in the moving direction of the belt member,
The inclination amount of the steering rotating body, an image forming apparatus according to claim 2 or 3, wherein the belt member from the pair of backup rotating member is controlled within a range not separated.
前記アーム部材を回動させて前記ステアリング回転体を傾斜させる第１カム機構と、
前記第１カム機構と連動して前記バネ部材の他端を移動させる第２カム機構と、を有し、
前記第１カム機構と第２カム機構とは同軸で駆動されることを特徴とする請求項２乃至４のいずれか１項に記載の画像形成装置。 An arm member that rotatably supports one bearing portion of the steering rotating body;
A first cam mechanism for rotating the arm member to incline the steering rotating body;
A second cam mechanism that moves the other end of the spring member in conjunction with the first cam mechanism,
The image forming apparatus according to claim 2, wherein the first cam mechanism and the second cam mechanism are driven coaxially.
前記ベルト部材の内側面を支持して前記ベルト部材の移動方向を制御するステアリング回転体と、
前記ベルト部材の内側面を支持して前記ベルト部材に張力を付与するテンション回転体と、
前記テンション回転体の両端をそれぞれ外側に向かって付勢する一対の付勢手段と、を備えた画像形成装置において、
前記ステアリング回転体を傾斜させる動作に連動して前記テンション回転体における少なくとも一方の前記付勢手段の付勢力を変化させて、前記傾斜に伴って発生する前記一対の付勢手段の付勢力差を減少させることを特徴とする画像形成装置。 A belt member that is supported and moved by a plurality of rotating bodies;
A steering rotator that supports the inner surface of the belt member and controls the moving direction of the belt member;
A tension rotating body that supports the inner surface of the belt member and applies tension to the belt member;
An image forming apparatus comprising a pair of urging means for urging both ends of the tension rotating body toward the outside,
The biasing force difference between the pair of biasing means generated along with the tilting is changed by changing the biasing force of at least one of the biasing means in the tension rotating body in conjunction with the tilting operation of the steering rotating body. An image forming apparatus that reduces the number of image forming apparatuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007187217A JP5459942B2 (en) | 2007-07-18 | 2007-07-18 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007187217A JP5459942B2 (en) | 2007-07-18 | 2007-07-18 | Image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009025475A JP2009025475A (en) | 2009-02-05 |
| JP2009025475A5 true JP2009025475A5 (en) | 2010-08-12 |
| JP5459942B2 JP5459942B2 (en) | 2014-04-02 |
Family
ID=40397344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007187217A Expired - Fee Related JP5459942B2 (en) | 2007-07-18 | 2007-07-18 | Image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5459942B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5962422B2 (en) | 2012-10-17 | 2016-08-03 | 富士ゼロックス株式会社 | Belt drive device, fixing device, and image forming apparatus |
| JP2020118809A (en) | 2019-01-22 | 2020-08-06 | ヒューレット−パッカード デベロップメント カンパニー エル．ピー．Ｈｅｗｌｅｔｔ‐Ｐａｃｋａｒｄ Ｄｅｖｅｌｏｐｍｅｎｔ Ｃｏｍｐａｎｙ， Ｌ．Ｐ． | Image forming system |
| JP2023009752A (en) | 2021-07-08 | 2023-01-20 | ヒューレット－パッカード デベロップメント カンパニー エル．ピー． | Image forming apparatus that can adjust tension of endless belt |
| JP2023142913A (en) | 2022-03-25 | 2023-10-06 | 富士フイルムビジネスイノベーション株式会社 | Conveyance device and image-forming device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3768675B2 (en) * | 1998-05-12 | 2006-04-19 | 株式会社沖データ | Belt device |
| JP2001147601A (en) * | 1999-09-08 | 2001-05-29 | Fuji Xerox Co Ltd | Image forming device |
| JP2003173090A (en) * | 2001-12-06 | 2003-06-20 | Ricoh Co Ltd | Belt-like image carrier support device for image forming apparatus |
-
2007
- 2007-07-18 JP JP2007187217A patent/JP5459942B2/en not_active Expired - Fee Related
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