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| Number | Title | Issue Date |
| 8190075 | Endless metallic belt, electrophotographic endless belt, fixing assembly, and electrophotographic image forming apparatus An electrophotographic endless metallic belt is provided with improved crack resistance to repeated bending and rubbing against a control member coming into contact therewith, thereby improving its durability. Each edge face of the metallic belt is so shaped as to h... | 05/29/2012 |
| 8185031 | Fixing device and image formation apparatus Disclosed is a fixing device that easily suppresses an excessive temperature increase in a guide plate without extending a warm-up period, the device comprising: guide plate 156 that includes a low-resistance, electrically conductive layer, and guides fixing ... | 05/22/2012 |
| 8175508 | Planar heat generating element, fixing device including the same, and image forming apparatus including the same A planar heat generating element includes an insulating layer and a resistance heat generator formed on one surface in a thickness direction of the insulating layer, for generating heat under a passage of electric current therethrough, the resistance heat generator ... | 05/08/2012 |
| 8170458 | Image heating apparatus having stably positioned heating unit The present invention relates to an image heating apparatus in which a nip portion is formed by a heating unit, which includes a flexible sleeve and a heater, and a pressure roller. The position of the heating unit is appropriately maintained by pressing the heating... | 05/01/2012 |
| 8160485 | Fixing device and image forming device A fixing device includes: a pressure belt movable in a revolving motion; a fixing roller; and a pressure member for pressing an inner surface of the belt toward the roller. A fixing nip is formed between the roller and the belt while an elastically deformable surfac... | 04/17/2012 |
| 8160484 | Fixing device and image forming apparatus incorporating same In a fixing device, a fixed member is fixedly provided inside a loop formed by a belt, and is pressed against a pressing rotary member via the belt to form a nip portion between the pressing rotary member and the belt to nip a recording medium bearing a toner image.... | 04/17/2012 |
| 8155573 | Image forming apparatus and fuser apparatus According to an embodiment of the invention, a heat uniforming member, which has an outer diameter smaller than an inner diameter of a hollow member and in which thermal deformation generated by thermal expansion remains, is set in the inside of the hollow member ha... | 04/10/2012 |
| 8150304 | Fixing device and image forming apparatus including the same A fixing device includes a fixing belt for fixing an unfixed toner image onto a recording medium, a planar heating member for heating the fixing belt, and a pressure roller. The heating member includes a ceramic heat generating element having a PTC characteristic, a... | 04/03/2012 |
| 8150305 | Fusing device and image forming apparatus having the same Disclosed are a fusing device with improved temperature increase and fusing performance characteristics and an image forming apparatus having the same. The fusing device can include a heater to generate heat, a fusing belt arranged around the heater, a rotating memb... | 04/03/2012 |
| 8145111 | Fusing device and image forming apparatus having the same A fusing device is provided for use in an image forming apparatus to fuse a toner image having a polarity on a printable medium. Such a fusing device comprises: a heating roller which comprises a heat source; a driving roller which is spaced apart from the heating r... | 03/27/2012 |
| 8145112 | Heating rotating body, heating device, fixing device and image forming device A heating rotating body includes: a rotating body that generates heat due to electromagnetic induction in a magnetic field and whose magnetic permeability starts to decrease continuously from a magnetic permeability change start temperature that is in a temperature ... | 03/27/2012 |
| 8145113 | Fixing device and image formation apparatus A fixing device forms a fixing nip by pressing a first roller, which is inside a rotation path of a rotating belt, with a second roller via the belt, and thermally fixes an unfixed image formed on a sheet S by passing the sheet S through the fixing nip while heating... | 03/27/2012 |
| 8139992 | Apparatuses useful for printing and methods of treating marking material on media Apparatuses useful for printing and methods of treating marking material on media are provided. An exemplary embodiment of an apparatus useful for printing includes a continuous belt including an inner surface and an outer surface, a first roll including a first out... | 03/20/2012 |
| 8135322 | Fixing device and image forming apparatus A fixing device includes a heat member, a belt member, a belt support member, a first rotation member, a second rotation member, and a separation contact mechanism. The belt member is heated by the heat member. The belt support member operably supports the belt memb... | 03/13/2012 |
| 8135323 | Conveying device, fixing device and image forming apparatus A conveying device includes: a rotating body that rotates; a belt that contacts the rotating body and rotates; a restricting member that is disposed at each of the two rotation axis direction side edges of the belt, positions the side edges of the belt, and restrict... | 03/13/2012 |
| 8131197 | Fixing device and electro photographic apparatus using the same According to an aspect of the present invention, there is provided a fixing device including: a heating roller that generates a heat and is formed to have a mold releasing property; a pressure belt that is brought into contact with the heating roller and is driven a... | 03/06/2012 |
| 8126383 | Fixing apparatus having an enhanced planar heat generating body, and image forming apparatus including the same A planar heat-generating body 42 of a fixing apparatus of the present invention includes (i) a resistive heat-generating body 43a containing small heat-generating bodies electrically connected in parallel and aligned in a direction perpendicular... | 02/28/2012 |
| 8126384 | Fixing device and image forming apparatus The fixing device includes: a fixing member having a conductive layer, and fixing toner onto a recording medium by heat generation of the conductive layer through electromagnetic induction; a magnetic field generating member generating an alternate-current magnetic ... | 02/28/2012 |
| 8121529 | Sheet transport apparatus and fixing apparatus A sheet transport technique of clamping and transporting a sheet by a roller and a belt abutted against the roller, the technique capable of suppressing shift of the belt in the rotation axis direction of the roller without hindering downsizing of the apparatus is p... | 02/21/2012 |
| 8121528 | Apparatuses useful for printing and methods of treating marking material on media Apparatuses useful for printing and methods of treating marking material on media are provided. An exemplary embodiment of the apparatuses useful for printing includes a roll including a first outer surface; a continuous belt including an inner surface and a second ... | 02/21/2012 |
| 8116671 | Apparatuses useful in printing onto media and methods of mitigating media edge wear effects on fixing belts in printing Apparatuses useful in printing and methods of mitigating media edge wear effects on fixing belts in printing are provided. An exemplary apparatus useful for printing onto media includes a first roll including a first surface; a second roll including a second surface... | 02/14/2012 |
| 8116670 | Fixing device and image forming apparatus using the same A fixing device for use in an image forming apparatus, and an image forming apparatus are disclosed. In at least one embodiment, the fixing device includes a flexible fixing member, a pressure member, an abutting member, and an interior member. The flexible fixing m... | 02/14/2012 |
| 8107867 | Image fixing device using a belt-driving method, and image forming apparatus using the same image fixing device An image fixing device, having a belt-driving method to drive an endless belt which is entrained about at least two supporting members, including: a first supporting member on which a light transmitting area is provided; a heater which is housed within the first sup... | 01/31/2012 |
| 8107868 | Image fixing device containing a heat generating unit arranged at an end portion of a heater and an apparatus having the same An aspect of the invention provides a fixing device that comprises: an endless fixing belt; a first rotating body arranged at an inner side of the fixing belt; and a heater arranged to face an inner surface of the fixing belt and configured to heat the fixing belt a... | 01/31/2012 |
| 8107869 | Fixing device and image forming apparatus The fixing device is provided with: a fixing member that includes a metal layer; a pressure member that forms a pressure portion between the pressure member and the fixing member, and that is driven to rotate; an electromagnetic induction heating member that causes ... | 01/31/2012 |
| 8095058 | Conveyor-belt apparatus and image heating apparatus changing the belt tension in accordance with the moving state of the belt A conveyor-belt apparatus includes a belt, a supporting member that rotatably supports the belt, a moving unit that displaces at least one end of the supporting member in a longitudinal direction to move the belt in the longitudinal direction, and a tension changing... | 01/10/2012 |
| 8090304 | Heating device, fixing device and image forming device A heating device includes: a magnetic field generating unit generating a magnetic field; a heat-generating member generating heat due to electromagnetic induction of the magnetic field, and having a heat-generating layer of a thickness that is thinner than a skin de... | 01/03/2012 |
| 8086159 | Fixing device and image forming apparatus including the fixing device A fixing device and an image forming apparatus including the fixing device. The fixing device includes a heat source, an endless, flexible fixing member to fix a toner image by heating and melting the toner image onto a recording medium, a pressure member to press a... | 12/27/2011 |
| 8081915 | Apparatus and method for controlling the change of direction of a fusing belt in a printing apparatus An apparatus (100) and method (500) that controls the change of direction of a fusing belt in a printing apparatus is disclosed. The apparatus can include a fusing belt (120) configured to rotate about an axis of rotation (128). The appar... | 12/20/2011 |
| 8078092 | Apparatus and method for controlling the axial rate of movement of a fusing belt in a printing apparatus An apparatus (100) and method (400, 500) that controls the rate of movement of a fusing belt in a printing apparatus is disclosed. The apparatus can include a fusing belt (120) and at least one fusing belt support roller (131), where the ... | 12/13/2011 |
| 8073375 | Fixing unit and image forming apparatus having the same A fixing unit where an operating force for releasing a nip can be reduced with a small-sized configuration. The fixing unit has a heating roller including a heating element, a pressure belt, pressure arms, pressure springs, and nip load releasing units. The pressure... | 12/06/2011 |
| 8068778 | Image heating apparatus and endless belt used for image heating apparatus The image heating apparatus for heating an image formed on a recording medium has an endless belt with a base layer made of a metal material; a heater that contacts with an inner surface of the endless belt; and a backup member that forms a nip portion together with... | 11/29/2011 |
| 8060001 | Fusing unit and image forming apparatus including the same A fusing unit, and an image forming apparatus including the same, includes: a driving roller; a belt disposed to be driven by the driving roller; a nip plate disposed along a lengthwise direction of the driving roller with the belt being disposed between the driving... | 11/15/2011 |
| 8055175 | Image heating apparatus An image heating apparatus includes a coil for generating magnetic flux, a belt including an electroconductive layer for generating heat by the magnetic flux generated from the coil, for heating an image on a recording material by the heat generated by the electroco... | 11/08/2011 |
| 8055173 | Fixing apparatus and image forming apparatus The fixing apparatus includes: a fixing member having base and conductive layers and fixing a toner onto a recording medium when the conductive layer is heated by electromagnetic induction; a magnetic field generating member generating an alternating-current magneti... | 11/08/2011 |
| 8055174 | Fixing device using induction heating and image forming apparatus using the fixing device In a fixing device for fixing a toner image on a recording medium, a fixing roller and a heating roller support a fixing belt. A pressing roller presses against the fixing roller via the fixing belt to form a fixing nip between the fixing belt and the pressing rolle... | 11/08/2011 |
| 8050610 | Fixing apparatus of image forming apparatus A heat roller of a fixing apparatus according to an embodiment of the invention has a slidable metal belt on an outer side of an elastic roller. At the room temperature, the outer diameter of the elastic roller is smaller than the inner diameter of the metal belt. O... | 11/01/2011 |
| 8045908 | Fixing device and image forming apparatus A fixing device has a presser member, a slide member and a pressure belt. Both ends of the presser member are positioned outside both ends of the slide member. Both ends of the slide member are positioned outside both ends of the pressure belt. Thereby, the slide me... | 10/25/2011 |
| 8045907 | Fixing device and image forming apparatus The fixing device includes: a fixing member including a conductive layer and fixing toner on a recording medium by electromagnetic induction; a magnetic-field generating member generating an alternate-current magnetic field intersecting with the conductive layer; a ... | 10/25/2011 |
| 8045906 | Belt-type fixing device having a pressure roller with surface undulations A belt-type fixing device having therein an endless fixing belt, a pressure roller arranged inside the aforesaid fixing belt and a pressure member that presses the fixing belt against the pressure roller, wherein a toner image on a recording material is fixed in a n... | 10/25/2011 |
