JP2010032742A5 - - Google Patents
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- Publication number
- JP2010032742A5 JP2010032742A5 JP2008194412A JP2008194412A JP2010032742A5 JP 2010032742 A5 JP2010032742 A5 JP 2010032742A5 JP 2008194412 A JP2008194412 A JP 2008194412A JP 2008194412 A JP2008194412 A JP 2008194412A JP 2010032742 A5 JP2010032742 A5 JP 2010032742A5
- Authority
- JP
- Japan
- Prior art keywords
- coupling
- drive
- driving
- driven
- unit
- 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.)
- Granted
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- 230000001808 coupling Effects 0.000 claims 31
- 238000010168 coupling process Methods 0.000 claims 29
- 238000005859 coupling reaction Methods 0.000 claims 29
- 230000005540 biological transmission Effects 0.000 claims 6
Claims (4)
前記駆動カップリングから駆動を伝達されて前記回転軸回りに回転する被駆動カップリングを備え、前記回転軸に垂直な方向に画像形成装置に着脱可能に設けられたユニットと、を有する画像形成装置において、
前記駆動カップリング又は前記被駆動カップリングの少なくとも一方は、傾斜面を備えており、
前記傾斜面と前記着脱可能なユニットを着脱するための操作力によって、前記駆動カップリングあるいは前記被駆動カップリングの少なくとも一方が、前記回転軸に対して傾き、他方への駆動伝達を解除する駆動伝達解除機構を有することを特徴とする画像形成装置。 A drive coupling that rotates about a rotation axis;
An image forming apparatus comprising: a driven coupling that is driven by the drive coupling and rotated about the rotation axis; and a unit that is detachably attached to the image forming apparatus in a direction perpendicular to the rotation axis. In
At least one of the driving coupling or the driven coupling includes an inclined surface,
Driving in which at least one of the drive coupling or the driven coupling is inclined with respect to the rotation shaft and the drive transmission to the other is released by an operation force for attaching / detaching the inclined surface to / from the detachable unit. An image forming apparatus having a transmission release mechanism.
前記駆動カップリングに設けられ、前記係合凹部に回転方向に係合し、回転軸方向で移動可能な係合凸部と、
前記駆動カップリングを前記被駆動カップリングに付勢する付勢手段と、を有し、
駆動伝達時には、前記付勢手段が前記駆動カップリングを前記被駆動カップリングに付勢して、前記駆動カップリングと前記被駆動カップリングとが係合し、
駆動伝達解除時には、前記付勢手段の付勢力に抗して前記係合凸部及び前記駆動カップリングが前記回転軸に対して傾き、駆動伝達を解除することを特徴とする請求項１に記載の画像形成装置。 The drive transmission release mechanism is provided in a drive gear that transmits drive to the drive coupling, and an engagement recess that is perforated in a rotation axis direction;
An engagement projection provided in the drive coupling, engaged with the engagement recess in the rotation direction, and movable in the rotation axis direction;
Biasing means for biasing the drive coupling to the driven coupling;
At the time of driving transmission, the urging means urges the driving coupling to the driven coupling, and the driving coupling and the driven coupling are engaged,
2. The drive transmission is canceled when the drive transmission is released, the engagement convex portion and the drive coupling are inclined with respect to the rotation shaft against the urging force of the urging means. Image forming apparatus.
前記駆動カップリング又は前記被駆動カップリングの一方は、前記ユニットの本体に対して前記被駆動カップリングの回転軸と略平行な第二方向に移動可能であり、前記駆動カップリング又は前記被駆動カップリングの一方は、傾斜部を有しており、
前記駆動カップリング又は前記被駆動カップリングの他方は、前記傾斜部に当接可能な当接部を有しており、
前記装置本体から前記ユニットが取り外される際に、前記傾斜部と前記当接部とが当接した状態で前記ユニットが前記第一方向に移動することにより、前記駆動カップリング又は前記被駆動カップリングのどちらか一方の前記第二方向に移動可能なカップリングが、前記第二方向に移動し、且つ、前記回転軸に対して傾くことを特徴とする画像形成装置。 An apparatus main body, a rotatable drive coupling for transmitting a driving force, and a unit that is detachable from the apparatus main body and includes a rotatable driven coupling that receives the driving force from the driving coupling. In the image forming apparatus, the unit is movable in a first direction substantially perpendicular to a rotation axis of the driven coupling with respect to the apparatus body when the unit is detached from the apparatus body.
One of the driving coupling or the driven coupling is movable in a second direction substantially parallel to the rotation axis of the driven coupling with respect to the main body of the unit, and the driving coupling or the driven coupling One of the couplings has an inclined part,
The other of the driving coupling or the driven coupling has a contact portion that can contact the inclined portion,
When the unit is removed from the apparatus main body, the drive coupling or the driven coupling is caused by the unit moving in the first direction in a state where the inclined portion and the contact portion are in contact with each other. An image forming apparatus, wherein one of the couplings movable in the second direction moves in the second direction and is tilted with respect to the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008194412A JP5202162B2 (en) | 2008-07-29 | 2008-07-29 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008194412A JP5202162B2 (en) | 2008-07-29 | 2008-07-29 | Image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010032742A JP2010032742A (en) | 2010-02-12 |
| JP2010032742A5 true JP2010032742A5 (en) | 2011-09-08 |
| JP5202162B2 JP5202162B2 (en) | 2013-06-05 |
Family
ID=41737293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008194412A Active JP5202162B2 (en) | 2008-07-29 | 2008-07-29 | Image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5202162B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5880190B2 (en) * | 2012-03-22 | 2016-03-08 | 富士ゼロックス株式会社 | Drive structure of rotated body and image forming apparatus |
| JP2022052883A (en) | 2020-09-24 | 2022-04-05 | 富士フイルムビジネスイノベーション株式会社 | Driving force transmission mechanism and image forming apparatus |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01164818A (en) * | 1987-12-20 | 1989-06-28 | Konica Corp | Intershaft connecting device |
| JP3789040B2 (en) * | 1997-03-28 | 2006-06-21 | キヤノン株式会社 | Electrophotographic image forming apparatus |
| JP4514170B2 (en) * | 2000-07-11 | 2010-07-28 | キヤノン株式会社 | Coupling device and image forming apparatus having the same |
| JP2004045603A (en) * | 2002-07-10 | 2004-02-12 | Konica Minolta Holdings Inc | Image forming apparatus |
| JP2004117988A (en) * | 2002-09-27 | 2004-04-15 | Canon Inc | Color image forming apparatus |
| JP2005316283A (en) * | 2004-04-30 | 2005-11-10 | Fuji Xerox Co Ltd | Image forming apparatus |
| JP4799851B2 (en) * | 2004-11-15 | 2011-10-26 | 株式会社リコー | Image forming apparatus |
| JP4711669B2 (en) * | 2004-12-10 | 2011-06-29 | Ｎｔｎ株式会社 | Image forming apparatus |
| JP2007052185A (en) * | 2005-08-17 | 2007-03-01 | Ntn Corp | Image forming apparatus |
| JP4498407B2 (en) * | 2006-12-22 | 2010-07-07 | キヤノン株式会社 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit |
| JP4604063B2 (en) * | 2007-06-11 | 2010-12-22 | キヤノン株式会社 | Image forming apparatus |
-
2008
- 2008-07-29 JP JP2008194412A patent/JP5202162B2/en active Active
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