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| Number | Title | Issue Date |
| 8155572 | Dual position pre-transfer assembly A dual mode media registration transport and media pre-transfer baffle arrangement within a printer enables printing onto normal and heavy weight media materials. In a first mode, the arrangement allows normal media to enter pre-transfer baffles with the normal “S... | 04/10/2012 |
| 8135320 | Image forming apparatus An image forming apparatus for transporting a recording medium on which an image is formed includes a guide plate. The guide plate guides the recording medium to a predetermined position in the image forming apparatus and includes a flexible sheet member and a rigid... | 03/13/2012 |
| 8135319 | Transferer and image forming apparatus having a guide member including a comb-like structure A transferer, including a guide member having a plate-shaped guide face and leading a transfer material after a toner is transferred thereonto, wherein the guide member has an edge pointing to the feeding direction of the transfer material and having plural comb-lik... | 03/13/2012 |
| 8055170 | Image forming apparatus with clearance retaining portion In an image forming apparatus, a pre-transfer guide (50) is provided immediately before a transfer nip portion formed by an intermediate transferring belt (12) and a transferring roller (18b). The pre-transfer guide (50) extends in... | 11/08/2011 |
| 8055171 | Process cartridge and image forming apparatus with guide plate A process cartridge according to one aspect of the invention comprises: an image carrier configured to carry a developer image and having a transfer position capable of transferring the developer image to a recording sheet; and an elastically-deformable cantilever-s... | 11/08/2011 |
| 8019264 | Image-forming apparatus having flexible sheet guide An image-forming apparatus includes an image-bearing member supporting a toner image, a transfer portion at which the toner image on the image-bearing member is transferred on a sheet; and first and second guides that guide the sheet to the transfer portion and resp... | 09/13/2011 |
| 8014709 | Image forming device An image forming device includes a conveyor belt, an image forming unit, and a guide unit. The conveyor belt has a conveying surface that mounts and conveys a recording medium. The image forming unit forms an image on the recording medium placed on the conveying sur... | 09/06/2011 |
| 8005412 | Transfer device and image forming apparatus A neutralizing mechanism is provided on at least one conveying path proximal member installed on a conveying path of a sheet material in a vicinity of a transfer position, and is grounded by using a conducting material. The neutralizing mechanism includes a neutrali... | 08/23/2011 |
| 7962078 | Image forming apparatus capable of stably conveying recording medium An image forming apparatus includes an image forming mechanism, a toner image carrier, a transfer unit, an application member, a pivot around which the transfer unit rotates, and an elongate hole which engages with the pivot and through which the pivot is movable in... | 06/14/2011 |
| 7929895 | Image forming apparatus The object is to provide a resin film capable of retaining a predetermined bent shape, so that the resin film may be employed in a handy and effective manner in the image forming apparatus as such a component as a guide, a cover, etc. The resin film formed product i... | 04/19/2011 |
| 7894757 | Image forming device having biasing member for regulating sheets and image forming method the same An image forming device includes: a transfer roller; two registration rollers feeding a recording medium to a transfer nip where the transfer roller is in contact with an image bearing member; a transfer conveying-path through which the recording medium is fed from ... | 02/22/2011 |
| 7869751 | Transfer device and image forming apparatus An endless belt is supported by a plurality of rollers. A transfer roller comes in contact with an outer surface of the belt to form a transfer nip. An auxiliary member makes contact with a recording medium on an upstream side of the transfer nip in a movement direc... | 01/11/2011 |
| 7809318 | Image forming apparatus having elastic extension guide member with movable portion An image forming apparatus which forms a toner image on a transfer material, including: an image carrier which carries a toner image; a transfer section which transfers the toner images carried on the image carrier onto a transfer material; and a guide section havin... | 10/05/2010 |
| 7787813 | Image forming apparatus capable of stably conveying recording medium An image forming apparatus includes an image forming mechanism, a toner image carrier, a transfer unit, and a contact-separate mechanism. The image forming mechanism forms a toner image. The toner image carrier carries the toner image. The transfer unit includes a t... | 08/31/2010 |
| 7738826 | Interlocking fastener design prevents part movement When a TAB assembly is used in the transfer station of an electrostatic marking system, the blade used in the TABs becomes deformed or improperly aligned due to lateral movement of the clamp, held by rivets, which is used to maintain proper blade alignment. Provided... | 06/15/2010 |
| 7725063 | Image-forming device with interlockingly movable two paper guide members An image-forming device includes a casing, a photosensitive drum, a transfer roller, a first guide member, and a second guide member. The first guide member is disposed upstream of the transfer point between the photosensitive drum and the transfer roller in a conve... | 05/25/2010 |
| 7706734 | Image formation apparatus including guide member for transfer sheet In an image forming apparatus, a toner image formed on an intermediate transfer belt is transferred to a transfer sheet by a transfer electric field generated between a secondary transfer roller and a driving roller. A guide surface of a pre-transfer guide and a fla... | 04/27/2010 |
| 7664445 | Image forming apparatus An image forming apparatus having: an image forming section to form a toner image on an image carrier; a transfer section to transfer onto a transfer medium the toner image formed on the image carrier; and a pair of opposing transfer guide members to guide the trans... | 02/16/2010 |
| 7634219 | Transfer media transport guide mechanism for image forming device An image forming device is disclosed that can control image blurring, image contraction, and the like when resilient transfer media such as cardboard is to be transported upward from a pair of resist rollers and guided to a transfer position, and obtain a suitable t... | 12/15/2009 |
| 7630673 | Image forming apparatus with a guide having a rigid first member with a cutout at a downstream end and an elastic second member covering the cutout and facing a transfer sheet An image forming apparatus has an image bearing member. A transfer member forms a nip with the image bearing member and transfers a toner image to a surface of a transfer sheet guided to the nip. A guide is immediately upstream of the nip in a sheet conveying direct... | 12/08/2009 |
| 7613420 | Uniform entry of media into an alignment nip Alignment nip regulation may be implemented by controlling the approach of media to an alignment nip. Where media is fed from a plurality of sources and from a plurality of approach angles through a common alignment nip, nip entry may be controlled by focusing the m... | 11/03/2009 |
| 7596346 | Image forming apparatus including a guide for guiding a transfer material to a transfer section An image forming apparatus including: a transfer section for transferring a toner image on an image bearing member onto a transfer material; a conveyor for conveying the transfer material to a transfer position; a first guide for forming a guiding surface in the ima... | 09/29/2009 |
| 7546076 | Image forming apparatus and transfer medium guiding apparatus used therein An image forming apparatus includes an image carrier that supports an image, a contact transfer member that sandwiches a transfer medium in a transfer area between the contact transfer member and the image carrier and electrostatically transfers the image on the ima... | 06/09/2009 |
| 7542708 | Image forming apparatus An image forming apparatus having a transfer assist mechanism is disclosed. The transfer assist mechanism includes a first blade holder having a first blade, second blade holders having corresponding second blades, and a first slide engaging member and a second slid... | 06/02/2009 |
| 7542709 | Image-forming device for suppressing recording sheet from flapping when transferring toner images thereon In an image-forming device including a photosensitive drum, a transfer roller, and a guide plate for guiding a recording sheet toward the photosensitive drum, a sponge is disposed between the guide plate and a transfer position where a developer image on the photose... | 06/02/2009 |
| 7539448 | Image-forming device for suppressing vibration of guide plate and jams of recording sheet An image-forming device includes a photosensitive drum, a transfer roller, a guide plate for guiding the paper toward the photosensitive drum, and a seat for supporting one end portion of the guide plate, for allowing another end portion of the guide plate to be def... | 05/26/2009 |
| 7539447 | Image-forming device for absorbing vibration of guide plate An image-forming device includes a photosensitive drum, a transfer roller, a guide plate for guiding the paper toward the photosensitive drum, and a sponge fixed to the bottom surface of the guide plate. The sponge is softer than the guide plate, so that it can abso... | 05/26/2009 |
| 7539446 | Process cartridge and image forming apparatus with flexible guide members A first guide member and a second guide member, which are flexible, are disposed at an upstream side of a transfer position. The first guide member is fixed at a first base end at an upstream side of a first leading end so that the first leading end is closer to a p... | 05/26/2009 |
| 7509083 | Image forming apparatus and guide unit, transport unit used therein A guide unit 24 includes an electrically conducting guide plate 25 disposed upstream of the transfer unit 20 that transports toner image transfer sheets between the image carrier 7 and the transfer unit 20, an electrically insulati... | 03/24/2009 |
| 7471922 | Segmented transfer assist blade Embodiments herein include a transfer assist blade that is adapted to bias media toward a marking device. The transfer assist blade has a plurality of movable blade segments that overlap one another. In one embodiment, a first movable blade segment (comprising a fir... | 12/30/2008 |
| 7424258 | Transfer device and image forming device that include a transfer assisting blade having a slant portion for abutting a recording medium A transfer device for transferring a toner image formed on an image carrier onto a recording sheet includes a transfer assisting blade adapted to abut the recording sheet and press the recording sheet against the image carrier, the transfer assisting blade having a ... | 09/09/2008 |
| 7424257 | Paper guide device and image forming apparatus having the same A paper guide device which guides a sheet of paper fed to a nip between an image belt and a transfer roller and an image forming apparatus including the same. The paper guide device includes a first convey guiding unit arranged within a predetermined space from an i... | 09/09/2008 |
| 7406284 | Apparatus for improving image fidelity on high-speed electrophotographic printing systems An electrophotographic printing system having an apparatus for improving image fidelity is disclosed. The electrophotographic printing system includes a photosensitive drum, a first and second retractors and a paper presser. The first and second retractors position ... | 07/29/2008 |
| 7383006 | Image forming apparatus An image forming apparatus including a transfer member urging unit that urges a transfer member to an image bearing drum at a line pressure of 18.62×10−3 N/mm or less and 2.47×10−3 N/mm or more, the line pressure being taken along a direc... | 06/03/2008 |
| 7369800 | Device for preventing contact between transfer body and transfer medium tail edge portion in image forming apparatus An image forming apparatus is constituted so as to be equipped with transfer apparatus(es) having transfer roller(s) electrostatically transferring development image(s) from photosensitive drum(s) to transfer medium/media, and so as to be provided with transfer medi... | 05/06/2008 |
| 7356297 | Curved transfer assist blade Embodiments herein include a transfer assist blade that is adapted to bias media toward a marking device. The transfer assist blade is somewhat flexible and has a media contact edge positioned adjacent the marking device. The shape of the media contact edge comprise... | 04/08/2008 |
| 7350745 | Apparatuses and methods for applying forces to a structure utilizing oscillatory wing motions in a fluid Methods and apparatuses are disclosed that rotate a first member about a first point relative to a chassis, wherein the first member is rotatably coupled to a second member at a second point. A second member is counter-rotated at a ratio of the rotational speed of t... | 04/01/2008 |
| 7346304 | Transfer device having guiding member that guides recording medium to transfer position A guiding member is disposed at a frame upstream of a transfer roller in a conveying direction, thereby guiding a recording medium to a transfer position. The guiding member has front and back surfaces. A guiding portion of the guiding member is configured to contac... | 03/18/2008 |
| 7333761 | Transfer media transport guide mechanism for image forming device An image forming device is disclosed that can control image blurring, image contraction, and the like when resilient transfer media such as cardboard is to be transported upward from a pair of resist rollers and guided to a transfer position, and obtain a suitable t... | 02/19/2008 |
| 7328899 | Device for guiding sheets An apparatus for fixing a sheet on the surface of an electrically conductive cylinder of a printing machine for processing sheets, in particular, a sheet-fed offset printing machine. The apparatus includes an electrode that extends over the width of the cylinder for... | 02/12/2008 |
