WO2015146324A1 - 駆動伝達装置および画像形成装置 - Google Patents
駆動伝達装置および画像形成装置 Download PDFInfo
- Publication number
- WO2015146324A1 WO2015146324A1 PCT/JP2015/053623 JP2015053623W WO2015146324A1 WO 2015146324 A1 WO2015146324 A1 WO 2015146324A1 JP 2015053623 W JP2015053623 W JP 2015053623W WO 2015146324 A1 WO2015146324 A1 WO 2015146324A1
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- WIPO (PCT)
- Prior art keywords
- drive
- driven
- transmission device
- protrusion
- drive transmission
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/101—Quick-acting couplings in which the parts are connected by simply bringing them together axially without axial retaining means rotating with the coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/04—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted to allow radial displacement, e.g. Oldham couplings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
- G03G21/1647—Mechanical connection means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/102—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via polygon shaped connections
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
- G03G2221/1657—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts transmitting mechanical drive power
Definitions
- the present invention relates to a drive transmission device and an image forming apparatus.
- Image forming apparatuses such as printers and copiers generally include a plurality of rollers.
- an electrophotographic image forming apparatus generally includes a photosensitive drum, a developing roller, a transfer roller, and a plurality of conveying rollers.
- the inkjet image forming apparatus includes a plurality of conveyance rollers.
- Such an image forming apparatus is provided with a drive transmission device for transmitting a driving force of a driving source (for example, a motor) to a roller.
- the drive transmission device has a coupling to connect the drive-side shaft and the driven-side shaft (for example, Patent Document 1).
- the rotation centers of the drive shaft and the driven shaft are matched by inclining the engagement surface toward the rotation center.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a drive transmission device and an image forming apparatus capable of suppressing rotation unevenness during drive transmission.
- the drive transmission device includes a rotating member, a driven member, a drive coupling, and a driven coupling.
- the rotating member is rotatable in a rotating direction with respect to a rotating shaft.
- the driven member rotates following the rotation of the rotating member.
- the drive coupling is provided at an end of the rotating member.
- the driven coupling is provided at an end of the driven member.
- the drive coupling has a plurality of drive protrusions that protrude toward the driven coupling.
- the driven coupling has a plurality of driven projections corresponding to the plurality of drive projections and projecting toward the drive coupling.
- Each of the plurality of driving protrusions and the plurality of driven protrusions is disposed at equal intervals in the rotation direction.
- the drive projection is in contact with the driven projection so that the drive projection fits into the driven projection.
- a contact surface between the driving protrusion and the driven protrusion has an inner contact area and an outer contact area.
- the inner contact region is located on the inner side with respect to a planned center-of-gravity movement line along the rotational direction passing through the center of gravity of the drive protrusion.
- the outer contact area is located outside the center of gravity movement planned line. Each of the inner contact area and the outer contact area extends so as to approach the center-of-gravity planned line in the rotation direction.
- An image forming apparatus includes the drive transmission device described above, a drive source, and a roller.
- the driving source generates a driving force.
- the roller is rotatable.
- the drive transmission device transmits a driving force from the drive source to the roller.
- the drive projection is in contact with the driven projection so that the drive projection fits into the driven projection.
- Each of the inner contact area and the outer contact area extends so as to approach the center-of-gravity movement planned line in the rotation direction. Therefore, it is possible to suppress the rotation centers of the drive coupling and the driven coupling from being shifted, and as a result, it is possible to suppress the rotation unevenness during the drive transmission.
- FIG. 1B is a cross-sectional view taken along line IB-IB in FIG. 1A.
- FIG. It is the elements on larger scale of FIG. 1B.
- 3 is a cross-sectional view of a drive protrusion and a driven protrusion of the drive transmission device according to Embodiment 1.
- FIG. It is a perspective view of the drive transmission device concerning Embodiment 2 of the present invention.
- FIG. 3B is a cross-sectional view taken along line IIIB-IIIB in FIG. 3A. It is the elements on larger scale of FIG. 3B. It is sectional drawing of the drive projection part and driven projection part of the drive transmission apparatus which concern on Embodiment 2.
- FIG. It is a schematic diagram which shows the image forming apparatus which concerns on Embodiment 3 of this invention.
- FIG. 1A is a perspective view of a drive transmission device 10 according to Embodiment 1 of the present invention.
- 1B is a cross-sectional view taken along line IB-IB in FIG. 1A.
- FIG. 1C is a partially enlarged view of FIG. 1B.
- the drive transmission device 10 includes a rotating member 20, a driven member 30, a drive coupling 21, and a driven coupling 31.
- the drive transmission device 10 is mounted on, for example, an image forming apparatus.
- the drive transmission device 10 transmits the drive force from the drive source to the drive target.
- the rotating member 20 can rotate in the rotation direction R with respect to the rotation axis A.
- the rotating member 20 has a cylindrical shape extending in the direction of the rotation axis A.
- the rotating member 20 is made of metal, for example.
- the driven member 30 is driven to rotate by the rotation of the rotating member 20.
- the driven member 30 has a cylindrical shape extending in the direction of the rotation axis A.
- the driven member 30 is made of metal, for example.
- the drive coupling 21 is provided at the end of the rotating member 20.
- the drive coupling 21 is made of, for example, polyacetal.
- the driven coupling 31 is provided at the end of the driven member 30.
- the driven coupling 31 is made of, for example, polyacetal.
- the rotating member 20 and the driven member 30 are connected. Therefore, when the rotating member 20 rotates, the driven member 30 rotates.
- the drive coupling 21 and the driven coupling 31 are provided so as to be slightly movable with respect to the rotating member 20 and the driven member 30. Therefore, in the drive transmission device 10, even if the shaft centers of the rotating member 20 and the driven member 30 are slightly displaced, the drive coupling 21 and the driven coupling 31 are inclined to absorb the shaft misalignment between the rotating member 20 and the driven member 30. In addition, the drive from the drive source can be transmitted to the drive target.
- the drive coupling 21 has a plurality of drive protrusions 22 that protrude toward the driven coupling 31.
- the drive protrusion 22 has an elliptical shape in cross-sectional view.
- Each of the plurality of driving protrusions 22 and the plurality of driven protrusions 32 is arranged at equal intervals in the rotation direction R.
- each of the plurality of driving projections 22 and the plurality of driven projections 32 is arranged at intervals of 180 degrees in the rotation direction.
- the driven coupling 31 has a plurality of driven projections 32 corresponding to the plurality of drive projections 22.
- the driven protrusion 32 protrudes toward the drive coupling 21.
- the driven projection 32 has a mountain shape in a sectional view.
- the driving projection 22 is in contact with the driven projection 32 so that the driving projection 22 fits into the driven projection 32.
- the driving protrusion 22 and the driven protrusion 32 are in contact with each other on the contact surface 41.
- the contact surface 41 has an inner contact region 42 and an outer contact region 43.
- the inner contact region 42 is located inside the center-of-gravity movement planned line LG.
- the outer contact area 43 is located outside the center-of-gravity movement planned line LG.
- the inner contact area 42 extends in the direction D1, and the outer contact area 43 extends in the direction D2.
- Each of the inner contact region 42 and the outer contact region 43 extends in the rotational direction R so as to approach the center of gravity movement planned line LG.
- the driven projection 32 has an inner linear portion 33 and an outer linear portion 34.
- the inner linear portion 33 is located inside the center-of-gravity movement planned line LG.
- the inner linear portion 33 extends in the rotation direction R so as to approach the center of gravity movement planned line LG (direction D1).
- the outer linear portion 34 is positioned outside the center-of-gravity movement planned line LG.
- the outer linear portion 34 extends in the rotational direction R so as to approach the center of gravity movement planned line LG (direction D2).
- the inner linear portion 33 is connected to the outer linear portion 34.
- the drive protrusion 22 is in contact with the driven protrusion 32 so that the drive protrusion 22 is fitted to the driven protrusion 32. Further, each of the inner contact region 42 and the outer contact region 43 extends in the rotational direction R so as to approach the center-of-gravity movement planned line LG. Therefore, the rotation center of the drive coupling 21 and the driven coupling 31 is the center of rotation. Shifting can be suppressed. As a result, rotation unevenness during drive transmission can be suppressed.
- each of the plurality of driving protrusions 22 is arranged at equal intervals in the rotation direction R. Therefore, it is possible to prevent the rotational centers of the drive coupling 21 and the driven coupling 31 from shifting.
- FIG. 2 is a cross-sectional view of the drive protrusion 22 and the driven protrusion 32.
- a rotation locus B indicates a rotation locus of the drive protrusion 22.
- the driven protrusions 32 are connected to each other at a portion 38 that does not intersect with the rotation locus B of the drive protrusion 22.
- FIG. 3A is a perspective view of the drive transmission device 10 according to Embodiment 2 of the present invention.
- 3B is a cross-sectional view taken along the line IIIB-IIIB in FIG. 3A.
- FIG. 3C is a partially enlarged view of FIG. 3B. Except for the difference in the shapes of the drive projection 22 and the driven projection 32, the configuration is the same as that of the drive transmission device 10 according to the first embodiment.
- the driven protrusion 32 has an L-shape when viewed in cross section.
- the angle ⁇ 1 formed by the inner linear portion 33 and the outer linear portion 34 is preferably 70 ° or more and 110 ° or less. More preferably, it is 90 °.
- the angle ⁇ 1 is 90 °.
- the drive protrusion 22 has an L-shape when viewed in cross section.
- the shape of the drive protrusion 22 is the same as that of the driven protrusion 32.
- the drive protrusion 22 is smaller than the driven protrusion 32. Therefore, the drive protrusion 22 and the driven protrusion 32 are fitted. Moreover, since the inner contact area 42 and the outer contact area 43 can be enlarged, the strength of the driven projection 32 is increased, and the deflection of the driven projection 32 can be suppressed.
- the radius of curvature R1 of the connecting portion 36 between the inner linear portion 33 and the outer linear portion 34 of the driven protrusion 32 is a portion 37 of the drive protrusion 22 that faces the connecting portion. Is smaller than the radius of curvature. Therefore, the drive protrusion 22 and the driven protrusion 32 are in contact with each other in the two areas of the inner contact area 42 and the outer contact area 43. As a result, the drive protrusion 22 and the driven protrusion 32 are fitted together, and rotation unevenness during drive transmission can be suppressed.
- FIG. 4 is a cross-sectional view of the drive protrusion 22 and the driven protrusion 32.
- FIG. 5 is a schematic diagram showing an image forming apparatus 100 according to Embodiment 3 of the present invention.
- the image forming apparatus 100 may be a copying machine, a printer, a facsimile machine, or a multifunction machine having these functions.
- the present invention will be described by taking a copying machine as an example of the image forming apparatus 100, but the present invention is not limited to this.
- the image forming apparatus 100 includes a paper feed unit 52 disposed in a lower portion thereof, a paper transport unit 53 disposed on a side of the paper feed unit 52, and an image formation disposed above the paper transport unit 53.
- the paper feed unit 52 includes a plurality of paper feed cassettes 57 that accommodate paper P that is a recording medium, and the paper feed roller 58 rotates to select a paper feed cassette 57 selected from the plurality of paper feed cassettes 57.
- the paper P is sent to the paper transport unit 53 one by one.
- the paper P sent to the paper transport unit 53 is transported toward the image forming unit 54 via the paper transport path 60 provided in the paper transport unit 53.
- the image forming unit 54 forms a toner image on the paper P by an electrophotographic process.
- the image forming unit 54 includes a photosensitive drum 61 that is rotatably supported in the direction of the arrow in FIG. 5, and a charging unit 62, an exposure unit 63, a developing unit 64, a transfer roller 65, and a cleaning unit around the photosensitive drum 61. 66, and a static elimination unit 67.
- the charging unit 62 includes a charging wire to which a high voltage is applied.
- a predetermined potential is applied to the surface of the photosensitive drum 61 by corona discharge from the charging wire, the surface of the photosensitive drum 61 is uniformly charged.
- the surface potential of the photosensitive drum 61 is selectively attenuated, and the photosensitive drum.
- An electrostatic latent image is formed on the surface 61.
- the developing unit 64 develops the electrostatic latent image on the surface of the photosensitive drum 61, and a toner image is formed on the surface of the photosensitive drum 61.
- the toner image is transferred by the transfer roller 65 onto the paper P supplied between the photosensitive drum 61 and the transfer roller 65.
- the paper P on which the toner image has been transferred is conveyed toward a fixing device 55 disposed downstream of the image forming unit 54 in the paper conveyance direction.
- the fixing device 55 includes a pressure roller 55a and a heating roller 55b.
- the paper P is heated and pressurized, and the toner image is melted and fixed on the paper P.
- the paper P on which the toner image is fixed is discharged onto the discharge tray 71 by the discharge roller pair 70.
- the toner remaining on the surface of the photosensitive drum 61 is removed by the cleaning unit 66, and the residual charge on the surface of the photosensitive drum 61 is removed by the static eliminating unit 67. The Then, the photosensitive drum 61 is charged again by the charging unit 62, and thereafter image formation is performed in the same manner.
- the drive transmission device 10 transmits the driving force from the driving source M to the roller.
- the drive source M is, for example, a motor.
- the driving force of the driving source M is transmitted to the paper feed roller 58, the pressure roller 55 a, the photosensitive drum 61, and the discharge roller pair 70 by the drive transmission device 10.
- the photosensitive drum 61 and the transfer roller 65 need to be rotated at the same speed so as not to be misaligned when the toner is transferred to the paper P. Therefore, the drive transmission device according to the first or second embodiment. 10 is preferably used.
- the drive protrusion 22 and the driven protrusion 32 are provided two by two, but the present invention is not limited to this.
- three or more drive protrusions 22 and driven protrusions 32 may be provided.
- each of the plurality of drive projections 22 and the plurality of driven projections 32 is arranged at an interval of 180 degrees in the rotation direction. Not limited to degrees.
- each of the plurality of driving protrusions 22 and the plurality of driven protrusions 32 is arranged at intervals of 120 degrees in the rotation direction.
- the present invention can be used in the field of image forming apparatuses.
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Abstract
Description
図1A、図1Bおよび図1Cを参照して本発明に係る駆動伝達装置10の実施形態1を説明する。図1Aは、本発明の実施形態1に係る駆動伝達装置10の斜視図である。図1Bは、図1AのIB-IB線に沿った断面図である。図1Cは、図1Bの部分拡大図である。
図3A、図3Bおよび図3Cを参照して本発明に係る駆動伝達装置10の実施形態2を説明する。図3Aは、本発明の実施形態2に係る駆動伝達装置10の斜視図である。図3Bは、図3AのIIIB-IIIB線に沿った断面図である。図3Cは、図3Bの部分拡大図である。駆動突起部22および従動突起部32の形状が異なる点を除いて、実施形態1に係る駆動伝達装置10と同様な構成を有するため、重複部分については説明を省略する。
図5は、本発明の実施形態3に係る画像形成装置100を示す模式図である。画像形成装置100は、複写機、プリンター、ファクシミリまたはこれらの機能を兼ね備えた複合機であり得る。以下、画像形成装置100として複写機を例に本発明を説明するが、本発明はこれに限定されない。
Claims (10)
- 回転軸に対して回転方向に回転可能な回転部材と、
前記回転部材の回転によって従動回転する従動部材と、
前記回転部材の端部に設けられた駆動カップリングと、
前記従動部材の端部に設けられた従動カップリングと
を備え、
前記駆動カップリングは、前記従動カップリングに向かって突起する複数の駆動突起部を有し、
前記従動カップリングは、前記複数の駆動突起部に対応し、前記駆動カップリングに向かって突起する複数の従動突起部を有し、
前記複数の駆動突起部および前記複数の従動突起部のそれぞれは、前記回転方向に等間隔に配置され、
前記駆動突起部が前記従動突起部に嵌合するように前記駆動突起部は前記従動突起部と接触しており、
前記駆動突起部と前記従動突起部との接触する接触面は、前記駆動突起部の重心を通る前記回転方向に沿った重心移動予定線に対して内側に位置する内側接触領域と、前記重心移動予定線に対して外側に位置する外側接触領域とを有しており、
前記内側接触領域および前記外側接触領域のそれぞれは、前記回転方向に向かって前記重心移動予定線に近づくように延びている、駆動伝達装置。 - 前記従動突起部は、
前記重心移動予定線に対して内側に位置し、前記回転方向に向かって前記重心移動予定線に近づくように延びる内側線状部と、
前記重心移動予定線に対して外側に位置し、前記回転方向に向かって前記重心移動予定線に近づくように延びる外側線状部と
を有する、請求項1に記載の駆動伝達装置。 - 前記内側線状部は前記外側線状部に連結している、請求項2に記載の駆動伝達装置。
- 前記内側線状部と前記外側線状部とのなす角は70°以上110°以下である、請求項3に記載の駆動伝達装置。
- 前記内側線状部と前記外側線状部とのなす角は90°である、請求項4に記載の駆動伝達装置。
- 前記従動突起部の前記内側線状部と前記外側線状部との連結部分の曲率半径は、前記駆動突起部のうちの前記連結部分に対向する部分の曲率半径よりも小さい、請求項4に記載の駆動伝達装置。
- 前記駆動突起部の形状は、前記従動突起部の形状と同じである、請求項4に記載の駆動伝達装置。
- 前記駆動突起部は、前記従動突起部よりも小さい、請求項4に記載の駆動伝達装置。
- 前記複数の従動突起部は互いに連結されている、請求項1に記載の駆動伝達装置。
- 請求項1に記載の駆動伝達装置と、
駆動力を発生する駆動源と、
回転可能なローラーと
を備え、
前記駆動伝達装置は、前記駆動源からの駆動力を前記ローラーに伝達する、画像形成装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2015551088A JP5865564B1 (ja) | 2014-03-25 | 2015-02-10 | 駆動伝達装置および画像形成装置 |
US14/784,168 US9394947B2 (en) | 2014-03-25 | 2015-02-10 | Drive transmission device and image forming apparatus |
CN201580000571.8A CN105121882B (zh) | 2014-03-25 | 2015-02-10 | 驱动传递装置和图像形成装置 |
Applications Claiming Priority (2)
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JP2014062037 | 2014-03-25 | ||
JP2014-062037 | 2014-03-25 |
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WO2015146324A1 true WO2015146324A1 (ja) | 2015-10-01 |
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PCT/JP2015/053623 WO2015146324A1 (ja) | 2014-03-25 | 2015-02-10 | 駆動伝達装置および画像形成装置 |
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US (1) | US9394947B2 (ja) |
JP (1) | JP5865564B1 (ja) |
CN (1) | CN105121882B (ja) |
WO (1) | WO2015146324A1 (ja) |
Citations (3)
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DE2260914A1 (de) * | 1972-12-13 | 1974-06-27 | Willi Loeger | Selbstzentrierende und selbstverspannende schnellkupplung |
JP2004108481A (ja) * | 2002-09-18 | 2004-04-08 | Fuji Xerox Co Ltd | カップリング装置及びこれを有する画像形成装置 |
JP2009229889A (ja) * | 2008-03-24 | 2009-10-08 | Fuji Xerox Co Ltd | 画像形成装置 |
Family Cites Families (6)
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US4806809A (en) * | 1986-06-12 | 1989-02-21 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Rotary shaft coupling device |
US6866013B2 (en) * | 2002-04-19 | 2005-03-15 | Borgwarner Inc. | Hydraulic cushioning of a variable valve timing mechanism |
KR100612214B1 (ko) * | 2004-07-23 | 2006-08-16 | 삼성전자주식회사 | 동력 커플링장치 및 그것을 갖는 화상형성장치 |
JP4526400B2 (ja) * | 2005-01-26 | 2010-08-18 | 京セラミタ株式会社 | 軸継ぎ手及びこれを備えた画像形成装置 |
JP2009092121A (ja) * | 2007-10-05 | 2009-04-30 | Enplas Corp | 回転軸継手 |
US7975663B2 (en) * | 2008-04-15 | 2011-07-12 | GM Global Technology Operations LLC | Dual-equal cam phasing with variable overlap |
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2015
- 2015-02-10 JP JP2015551088A patent/JP5865564B1/ja not_active Expired - Fee Related
- 2015-02-10 WO PCT/JP2015/053623 patent/WO2015146324A1/ja active Application Filing
- 2015-02-10 US US14/784,168 patent/US9394947B2/en active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2260914A1 (de) * | 1972-12-13 | 1974-06-27 | Willi Loeger | Selbstzentrierende und selbstverspannende schnellkupplung |
JP2004108481A (ja) * | 2002-09-18 | 2004-04-08 | Fuji Xerox Co Ltd | カップリング装置及びこれを有する画像形成装置 |
JP2009229889A (ja) * | 2008-03-24 | 2009-10-08 | Fuji Xerox Co Ltd | 画像形成装置 |
Also Published As
Publication number | Publication date |
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CN105121882B (zh) | 2016-10-05 |
JPWO2015146324A1 (ja) | 2017-04-13 |
US9394947B2 (en) | 2016-07-19 |
US20160053815A1 (en) | 2016-02-25 |
CN105121882A (zh) | 2015-12-02 |
JP5865564B1 (ja) | 2016-02-17 |
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