JP2019138997A5 - - Google Patents
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- JP2019138997A5 JP2019138997A5 JP2018020698A JP2018020698A JP2019138997A5 JP 2019138997 A5 JP2019138997 A5 JP 2019138997A5 JP 2018020698 A JP2018020698 A JP 2018020698A JP 2018020698 A JP2018020698 A JP 2018020698A JP 2019138997 A5 JP2019138997 A5 JP 2019138997A5
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- light source
- support unit
- support portion
- housing
- light beam
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- 230000003287 optical Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000875 corresponding Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000000149 penetrating Effects 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
Description
(1)光ビームを出射する光源と、前記光源より出射された光ビームを偏向する回転多面鏡と、前記光源より出射された光ビームを前記回転多面鏡に導く入射光学系の光学部材と、ビスが貫通するための貫通穴が設けられ、前記光源と前記回転多面鏡との間において前記光学部材を支持する樹脂製の支持ユニットと、前記回転多面鏡と前記光学部材とが収容される金属製の筐体であって、前記ビスが嵌合するためのビス穴が形成された底面と、当該底面から立設され前記光源が取り付けられる側壁と、を有する筐体と、前記側壁に形成され、前記光源から出射された光が通過する開口と、前記支持ユニットに設けられ、前記支持ユニットと前記開口の縁との境界にあたる隙間を封止するための弾性変形可能な封止部材と、前記支持ユニットから前記封止部材よりも突出し、前記支持ユニットが前記筐体に取り付けられた状態において前記筐体の内部から前記開口に侵入する突起と、を備え、前記支持ユニットが前記筐体の所定の位置に載置されて、前記封止部材が前記支持ユニット及び前記筐体によって圧縮されて前記隙間を封止した状態において、前記貫通穴の位置と前記ビス穴の位置とが整合することを特徴とする光走査装置。
(2)前記(1)に記載の光走査装置と、前記光走査装置によって走査された光ビームにより潜像が形成される感光体と、前記感光体に形成された潜像をトナーにより現像しトナー像を形成する現像手段と、前記現像手段により形成されたトナー像を被転写体に転写する転写手段と、を備えることを特徴とする画像形成装置。
(1) A light source that emits a light beam, a rotating polymorphic mirror that deflects the light beam emitted from the light source, and an optical member of an incident optical system that guides the light beam emitted from the light source to the rotating multifaceted mirror. bis are provided through holes for penetrating the resin support unit for supporting the front Symbol light Faculty material in between the light source and the rotating polygon mirror, and the optical member and the rotary polygon mirror is housed that a metal casing, a bottom surface screw holes for the screws is fitted is formed, a housing having a side wall in which the light source is erected from the bottom surface is attached, the front Symbol sidewall An elastically deformable sealing member formed in the above to seal a gap through which light emitted from the light source passes and a gap provided in the support unit and corresponding to a boundary between the support unit and the edge of the opening. When, and a collision force entering the internal or we said opening in Kikatamitai before projecting said support unit have been installed was state odor to the housing than the sealing member from the support unit, the and support unit is placed on a predetermined position of the housing, before the state where Kifutome member is sealed between front is compressed Kisuki by the support unit and the housing, the position of the front SL through hole an optical scanning device, characterized by aligning the position of the front Symbol screw hole when.
(2) The optical scanning apparatus according to (1), a photoconductor on which a latent image is formed by a light beam scanned by the optical scanning apparatus, and a latent image formed on the photosensitive member are developed with toner. An image forming apparatus comprising: a developing means for forming a toner image and a transfer means for transferring the toner image formed by the developing means to a transfer target.
Claims (9)
前記光源より出射された光ビームを偏向する回転多面鏡と、
前記光源より出射された光ビームを前記回転多面鏡に導く入射光学系の光学部材と、
ビスが貫通するための貫通穴が設けられ、前記光源と前記回転多面鏡との間において前記光学部材を支持する樹脂製の支持ユニットと、
前記回転多面鏡と前記光学部材とが収容される金属製の筐体であって、前記ビスが嵌合するためのビス穴が形成された底面と、当該底面から立設され前記光源が取り付けられる側壁と、を有する筐体と、
前記側壁に形成され、前記光源から出射された光が通過する開口と、
前記支持ユニットに設けられ、前記支持ユニットと前記開口の縁との境界にあたる隙間を封止するための弾性変形可能な封止部材と、
前記支持ユニットから前記封止部材よりも突出し、前記支持ユニットが前記筐体に取り付けられた状態において前記筐体の内部から前記開口に侵入する突起と、
を備え、
前記支持ユニットが前記筐体の所定の位置に載置されて、前記封止部材が前記支持ユニット及び前記筐体によって圧縮されて前記隙間を封止した状態において、前記貫通穴の位置と前記ビス穴の位置とが整合することを特徴とする光走査装置。 A light source that emits a light beam and
A rotating multifaceted mirror that deflects the light beam emitted from the light source,
An optical member of an incident optical system that guides a light beam emitted from the light source to the rotating multifaceted mirror.
Bis are provided through holes for penetrating the resin support unit for supporting the front Symbol light Faculty material in between the light source and the rotating polygon mirror,
A metal housing in which the rotating multi-sided mirror and the optical member are housed, the bottom surface on which the screw holes for fitting the screws are formed, and the light source erected from the bottom surface and attached. A housing having a side wall,
Formed prior Symbol sidewall, an opening light emitted from the light source passes,
An elastically deformable sealing member provided on the support unit for sealing a gap corresponding to a boundary between the support unit and the edge of the opening.
A collision force to invade the projecting than the sealing member from the support unit, the internal or al the opening of Kikatamitai before the support unit is Te state odor attached to the housing,
With
It said support unit is placed at a predetermined position of the housing, before the state where Kifutome member is sealed between front is compressed Kisuki by the support unit and the housing, before SL through hole optical scanning device positions and the position of the front Symbol screw holes and wherein the matching.
前記出射光学系の光学部材を支持する取付け座面が、前記筐体に一体的に形成されていることを特徴とする請求項1に記載の光走査装置。 An optical member of an exit optical system that guides a light beam deflected by the rotary multifaceted mirror onto an object to be scanned is provided.
The optical scanning apparatus according to claim 1, wherein a mounting seat surface that supports the optical member of the emission optical system is integrally formed in the housing.
前記支持ユニットは、前記底面に取り付けられた状態において、前記第1の支持部と当接する第1の当接部と、前記第2の支持部と当接する第2の当接部と、を有し、
前記支持ユニットが前記筐体に取り付けられる際に、前記第1の支持部と前記第2の支持部との間に前記支持ユニットが嵌まるように前記底面に向かって移動されるときに前記第1の支持部と前記第1の当接部及び前記第2の支持部と前記第2の当接部がそれぞれ当接し、前記被走査体上で前記光ビームが走査される走査方向に直交する方向における位置決めがなされることを特徴とする請求項2に記載の光走査装置。 The housing has a first support portion erected from the bottom surface and a second support portion erected from the bottom surface.
The support unit has a first contact portion that comes into contact with the first support portion and a second contact portion that comes into contact with the second support portion when attached to the bottom surface. And
When the support unit is attached to the housing, the first support unit is moved toward the bottom surface so that the support unit fits between the first support portion and the second support portion. The support portion 1 and the first contact portion and the second support portion and the second contact portion are in contact with each other, and are orthogonal to the scanning direction in which the light beam is scanned on the object to be scanned. The optical scanning apparatus according to claim 2, wherein positioning is performed in a direction.
前記支持ユニットは、前記底面に取り付けられた状態において、前記第3の支持部と当接する第3の当接部と、前記第4の支持部と当接する第4の当接部と、を有し、
前記第1の支持部と前記第1の当接部及び前記第2の支持部と前記第2の当接部がそれぞれ当接した後に、前記支持ユニットが前記光源に向かう方向に移動されるときに前記第3の支持部と前記第3の当接部及び前記第4の支持部と前記第4の当接部がそれぞれ当接し、前記走査方向における位置決めがなされることを特徴とする請求項3に記載の光走査装置。 The housing has a third support portion erected from the bottom surface and a fourth support portion erected from the bottom surface.
The support unit has a third contact portion that contacts the third support portion and a fourth contact portion that contacts the fourth support portion when the support unit is attached to the bottom surface. And
When the support unit is moved in the direction toward the light source after the first support portion and the first contact portion and the second support portion and the second contact portion are in contact with each other. The third support portion and the third contact portion and the fourth support portion and the fourth contact portion are in contact with each other, and positioning is performed in the scanning direction. The optical scanning apparatus according to 3.
前記封止部材は、前記走査方向における位置決めがなされるまでは前記先端面に当接せず、前記走査方向における位置決めがなされるときに前記先端面に当接することにより押し潰されることを特徴とする請求項5に記載の光走査装置。 The housing is a tubular portion that extends from the side wall toward the inside of the housing and allows the light beam emitted from the light source to pass through the inside, and is an opening through which the light beam passes through the stretched tip surface. Has a tubular part provided with
The sealing member does not abut on the tip surface until positioning in the scanning direction, but is crushed by abutting on the tip surface when positioning in the scanning direction. The optical scanning apparatus according to claim 5.
前記光源から出射された光ビームは前記回転多面鏡によって当該回転多面鏡の回転軸線に対して一方側に偏向され、The light beam emitted from the light source is deflected to one side with respect to the rotation axis of the rotating multi-sided mirror by the rotating multi-sided mirror.
前記他の光源から出射された光ビームは前記回転多面鏡によって前記回転軸線に対して他方側に偏向される、ことを特徴とする請求項1から請求項7のいずれか1項に記載の光走査装置。The light according to any one of claims 1 to 7, wherein the light beam emitted from the other light source is deflected to the other side with respect to the rotation axis by the rotating polymorphic mirror. Scanning device.
前記光走査装置によって走査された光ビームにより潜像が形成される感光体と、
前記感光体に形成された潜像をトナーにより現像しトナー像を形成する現像手段と、
前記現像手段により形成されたトナー像を被転写体に転写する転写手段と、
を備えることを特徴とする画像形成装置。 The optical scanning apparatus according to any one of claims 1 to 8.
A photoconductor on which a latent image is formed by a light beam scanned by the optical scanning device , and
A developing means for developing a latent image formed on the photoconductor with toner to form a toner image,
A transfer means for transferring the toner image formed by the developing means to the transfer target, and a transfer means.
An image forming apparatus comprising.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018020698A JP7051473B2 (en) | 2018-02-08 | 2018-02-08 | Optical scanning device and image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018020698A JP7051473B2 (en) | 2018-02-08 | 2018-02-08 | Optical scanning device and image forming device |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019138997A JP2019138997A (en) | 2019-08-22 |
JP2019138997A5 true JP2019138997A5 (en) | 2021-03-25 |
JP7051473B2 JP7051473B2 (en) | 2022-04-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018020698A Active JP7051473B2 (en) | 2018-02-08 | 2018-02-08 | Optical scanning device and image forming device |
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JP (1) | JP7051473B2 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0854572A (en) * | 1994-08-15 | 1996-02-27 | Canon Inc | Light deflecting scanner |
JP2002040341A (en) * | 2000-07-28 | 2002-02-06 | Sharp Corp | Optical scanner and image forming device |
JP2008175981A (en) * | 2007-01-17 | 2008-07-31 | Canon Inc | Image forming apparatus |
JP2011048085A (en) * | 2009-08-26 | 2011-03-10 | Canon Inc | Scanning optical apparatus and electrophotographic image forming apparatus |
JP2013156350A (en) * | 2012-01-27 | 2013-08-15 | Canon Inc | Optical scanner and dustproof structure of housing |
JP6141056B2 (en) * | 2013-03-12 | 2017-06-07 | キヤノン株式会社 | Optical scanning apparatus and image forming apparatus |
JP6520174B2 (en) * | 2015-02-10 | 2019-05-29 | 株式会社リコー | Housing structure, optical scanning device and image forming apparatus |
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2018
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