Paper Path Access Patents (Class 399/124)
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Patent number: 8315538Abstract: An image forming apparatus includes a plurality of image bearing members, a plurality of primary transferring devices, an intermediary transfer unit, a secondary transfer portion, a detecting member, an adjusting device, an openable member, a guiding mechanism, and a retracting mechanism.Type: GrantFiled: August 1, 2011Date of Patent: November 20, 2012Assignee: Canon Kabushiki KaishaInventor: Yuhei Takei
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Patent number: 8315536Abstract: An image forming apparatus includes a cover configured to open/close with respect to an apparatus main body of the image forming apparatus, a pullout unit, a locking member configured to lock the pullout unit according to an operation of inserting the pullout unit into the apparatus main body, and an abutting member movable between a position where the abutting member regulates the closure of the cover by abutting against the cover and a position where the abutting member does not regulate the closure of the cover. When the locking member does not lock the pullout unit, the abutting member is positioned at the position where the abutting member regulates the closure of the cover.Type: GrantFiled: June 28, 2010Date of Patent: November 20, 2012Assignee: Canon Kabushiki KaishaInventor: Keiko Fujita
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Patent number: 8306458Abstract: An image forming device includes a heat member and a pressure member in pressed contact with the heat member, forming a nip part therebetween. A cover member of a main casing is movable between a first closed position for covering the heat member and a first open position for exposing the heat member. A flapper disposed between the cover member and the nip part is movable between a second closed position for covering the heat member and a second open position for exposing the heat member. The flapper toggles between conveying paths. A regulating member is capable of regulating movement of the flapper to the second open position when the cover member is in the first open position so as to maintain the heat member covered by the flapper.Type: GrantFiled: February 17, 2010Date of Patent: November 6, 2012Assignee: Brother Kogyo Kabushiki KaishaInventor: Kenji Takeuchi
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Patent number: 8306459Abstract: An aspect of the invention is an opening-and-closing mechanism including: an opening-and-closing member that open-and-closes an body; a holding member rotatably coupled to the body; a sliding member disposed slidable to the holding member along a longitudinal-direction of the holding member, whose end portion is coupled to the opening-and-closing member, and sliding to the holding member in accompaniment with rotation of the opening-and-closing member; a braking member of an elastic material whose coefficient of friction with one of the sliding member or the holding member is larger than that between the other of the sliding member or the holding member and the one, the braking member sliding to the one in accompaniment with the sliding member sliding to the holding member to generate a braking-force by a frictional-force; and a pressing member disposed on the other, the braking member being mounted thereat, pressing the braking member against the one.Type: GrantFiled: May 25, 2010Date of Patent: November 6, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Hideo Koiwai
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Patent number: 8285172Abstract: An image forming apparatus includes an image forming unit an original reading unit and a guide mechanism. The image forming unit includes a sheet supply unit; a transportation roller for transporting a medium from the sheet supply unit; an image drum unit for forming a toner image on a photosensitive drum; a transfer belt unit for transferring the toner image on the photosensitive drum to the medium; a fixing device for fixing the toner image to the medium; and a stacker for placing the medium. The original reading unit includes an original stage for placing an original; a scanner unit disposed below the original stage; and a transportation unit for transporting the original to the original stage and a sheet discharge unit. The guide mechanism includes a pair of guide walls integrally formed at upper edges of the image forming unit.Type: GrantFiled: September 15, 2009Date of Patent: October 9, 2012Assignee: Oki Data CorporationInventor: Hideki Enomoto
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Patent number: 8276909Abstract: A media path crossover for a printing system includes a first crossover pathway on which sheets of print media are conveyed across a crossover junction without interruption and a second crossover pathway on which sheets of print media are conveyed across the crossover junction without interruption. The second crossover pathway intersects the first crossover pathway at a crossover junction. The first crossover pathway comprises a first input path and a first output path and the second crossover pathway comprises a second input path and a second output path. At least the first input path includes a first access panel, whereby a sheet can be cleared therefrom while continuing conveyance of media along the second crossover pathway.Type: GrantFiled: July 9, 2009Date of Patent: October 2, 2012Assignee: Xerox CorporationInventor: Keith L. Willis
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Patent number: 8270874Abstract: An image forming apparatus includes a main assembly, a first openable member openably and closably provided in the main assembly, a second openable member openably and closably provided in the main assembly, and a fixing unit for fixing a toner image formed on a recording material in the main assembly, with the fixing unit including a pressure applying mechanism for applying a pressure to a fixing nip of the fixing unit. In addition, a first arm transmits a first operation force, generated when the first openable member is opened by the operator, to the pressure applying mechanism to release the pressure applied to the fixing nip, and a second arm transmits a second operation force, generated when the second openable member is opened by the operator, to the pressure applying mechanism to release the pressure applied to the fixing nip.Type: GrantFiled: April 6, 2010Date of Patent: September 18, 2012Assignee: Canon Kabushiki KaishaInventors: Masaki Iwase, Hiroyuki Tanaka, Kenji Ninomiya
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Patent number: 8267400Abstract: A sheet processing apparatus includes an opening/closing member which is turnably supported by an apparatus body and through which a user accesses the apparatus, and a conveying guide which is movably supported by a user access door and which includes a sheet conveying surface. When the opening/closing member is opened in a state where a sheet remains on the sheet conveying surface, the conveying guide is separated from the opening/closing member by the remaining sheet.Type: GrantFiled: June 1, 2011Date of Patent: September 18, 2012Assignee: Canon Kabushiki KaishaInventors: Kazushi Nishikata, Shuji Nishitani
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Patent number: 8270875Abstract: An image forming apparatus includes a toner image carrying member, an image transfer device, a fixing device, a registration unit, a guide member, an upstream-side transportation unit, and a downstream-side transportation unit. The image transfer device transfers a toner image from the toner image carrying member to a recording medium. The fixing device fixes the toner image. The registration unit transports the recording medium. The guide member guides the recording medium. The upstream-side transportation unit includes an upstream-side transportation member, disposed at an upstream side in the transport direction of the recording medium. The downstream-side transportation unit includes the downstream-side transportation member, disposed at a downstream side in the transport direction of the recording medium. The upstream-side transportation unit includes an upstream-side positioning member to position the guide member to the upstream-side transportation member.Type: GrantFiled: September 16, 2009Date of Patent: September 18, 2012Assignee: Ricoh Company, Ltd.Inventors: Junpei Fujita, Toshitaka Yamaguchi, Ryoh Tanoue, Masaharu Furuya, Takuya Sekine, Katsuhito Haruno
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Patent number: 8262086Abstract: The sheet processing system includes: an image forming unit forming an image on a sheet; a sheet stack unit that lowers along a moving route, as more sheets are stacked on the sheet stack unit, the sheets each having an image formed by the image forming unit and being transported through a first route; a processing unit provided in a housing, and applying processing to a sheet having an image formed by the image forming unit, the sheet being transported through a second route; a cover member provided so that a part of the housing is openable, partially reaching a position in the moving route when the part is opened, and allowing a user to operate the processing unit by opening the part; and a moving unit moving the sheet stack unit to a position where the sheet stack unit does not interfere with the cover member, upon abnormal transportation.Type: GrantFiled: July 22, 2009Date of Patent: September 11, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Hidehisa Kitazawa
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Publication number: 20120207510Abstract: A retaining unit retains a plurality of photosensitive drums and includes a first conveying member. A main casing has a first conveying path and a second conveying path. The first conveying path extends from a first supplying unit to a first position where a second transfer unit opposes a downstream end portion of a first transfer unit. A first transferred medium is conveyed along the first conveying path in a conveying direction. A second transferred medium extends from a second supplying unit to a second position located upstream of the first position in the conveying direction. The second transferred medium is conveyed to the first conveying path through the second conveying path. The first conveying member is configured to convey the second transferred medium supplied from the second supplying unit in the second conveying path.Type: ApplicationFiled: January 30, 2012Publication date: August 16, 2012Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shougo SATO
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Publication number: 20120207511Abstract: A first retaining member is configured to be moved in a prescribed direction between a mounted position and a pulled-out position. A plurality of exposure units is configured to move between a first adjacent position in which each of the plurality of exposure units is located adjacent to the corresponding photosensitive drum to expose thereof and a first retracted position in which each of the plurality of exposure unit is moved away from the corresponding photosensitive drum in a direction intersecting with the prescribed direction. A space is formed by removing a tray from a main casing. Each of the plurality of exposure units is moved to the space to be moved to the first retracted position such that each of the plurality of exposure units fails to interfere with the first retaining member in the prescribed direction when the first retaining member moves from the mounted position to the pulled-out position.Type: ApplicationFiled: January 31, 2012Publication date: August 16, 2012Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shougo SATO
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Publication number: 20120207486Abstract: An image forming apparatus includes an apparatus body, a conveyance unit withdrawably mounted on the apparatus body, and a driving mechanism disposed in the apparatus body. The conveyance unit has a power transmission member which transmits the driving force generated by the driving mechanism to the conveyance member. The power transmission member has a drive input section disposed on the outside of a housing for receiving the driving force. The driving mechanism is disposed on the apparatus body side, and has a drive output section engageable with the drive input section. The drive input section and the drive output section engage with each other in a mounted state that the conveyance unit is mounted on the apparatus body, and the engagement between the drive input section and the drive output section is released in a withdrawn state that the conveyance unit is withdrawn from the apparatus body.Type: ApplicationFiled: February 15, 2012Publication date: August 16, 2012Applicant: Kyocera Mita CorporationInventors: Keisuke EGAWA, Terumitsu NOSO
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Patent number: 8204406Abstract: An image forming apparatus includes a housing having an opening, a cover portion that can be disposed so as to cover the opening, a first connecting portion that connects the cover portion with the housing so that the cover portion is pivotable about a first pivotal axis and can switch between a closed state in which the opening is covered and an opened state in which the opening is exposed, a decorative portion that is disposed to be aligned with the cover portion on a side to the first pivotal axis in the cover portion, and forms a predetermined outer face of the housing along with the cover portion in the closed state, and a second connecting portion that connects the decorative portion with the housing so that the decorative portion is pivotable about a second pivotal axis, which is substantially parallel to the first pivotal axis.Type: GrantFiled: September 11, 2009Date of Patent: June 19, 2012Assignee: Kyocera Document Solutions Inc.Inventors: Hiroshi Inui, Kazuya Yamashita
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Publication number: 20120148302Abstract: Disclosed is an image forming apparatus. The image forming apparatus includes a body frame, a support roller placed at one side of a movement path of a printing medium, a transfer roller assembly placed at the other side of the movement path of the printing medium at a position adjacent to the support roller, and a door to open or close the body frame so as to expose the movement path of the printing medium. The transfer roller assembly has a rotating axis kept at a fixed position of the body frame, and is moved away from the support roller in linkage with an opening operation of the door.Type: ApplicationFiled: December 9, 2011Publication date: June 14, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: YOUNG BOK LEE, TAE II JUNG, KI HUN KIM, EUN JU YUN
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Patent number: 8200118Abstract: An image-forming device includes: a casing; an image-forming section including a plurality of image-forming units; a paper supply unit; and a discharge unit. The plurality of image-forming units are arranged substantially vertically within the casing when the casing is disposed in an orientation in which it is intended to be used, each image-forming unit forming an image in a corresponding color. The paper supply unit is disposed above the image-forming units when the casing is disposed in the orientation in which it is intended to be used. The paper supply unit is configured to accommodate a recording medium substantially in a vertical orientation and to supply the recording medium to the image-forming section. The discharge unit is disposed above the image-forming units when the casing is disposed in the orientation in which it is intended to be used. The discharge unit is configured to receive the recording medium discharged from the image-forming section substantially in a vertical orientation.Type: GrantFiled: November 18, 2009Date of Patent: June 12, 2012Assignee: Brother Kogyo Kabushiki KaishaInventors: Shougo Sato, Yasushi Okabe, Shigeharu Katayama, Yasutake Yamaguchi
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Patent number: 8186674Abstract: If a jam detecting portion detects a sheet jam, a rear end position of the jammed sheet is computed based on information, when a rear end of the jammed sheet is located within an area A1 and a length Ls of the jammed sheet in a conveying direction of the sheet is equal to or shorter than a distance L between the area A1 and an area A2, driving operations of a pre-registration roller and a registration roller are controlled so that the jammed sheet is conveyed to a downstream until a rear end of the sheet passes through a downstream end of the area A1. When Ls is longer than L, the pre-registration roller and the registration roller are controlled so that the jammed sheet is conveyed toward the upstream until the rear end of the sheet passes through an upstream end of the area A1.Type: GrantFiled: September 22, 2011Date of Patent: May 29, 2012Assignee: Canon Kabushiki KaishaInventor: Keiko Fujita
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Patent number: 8185016Abstract: An image forming apparatus includes: a main body; an image forming unit including a plurality of photosensitive drums on which electrostatic latent images are formed, respectively; a sheet storing unit detachably attached to the main body and configured to store a recording sheet, and the sheet storing unit being disposed in a first space defined in the main body when the sheet storing unit is attached to the main body; and a belt unit disposed between the plurality of photosensitive drums and the sheet storing unit and including a belt opposing the plurality of photosensitive drums. The belt unit is detachable from the main body through the first space in a state in which at least a part of the sheet storing unit is positioned outside the main body.Type: GrantFiled: December 23, 2009Date of Patent: May 22, 2012Assignee: Brother Kogyo Kabushiki KaishaInventors: Hirotaka Mori, Atsushi Miwa
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Patent number: 8175495Abstract: A position regulation member, provided in one of a base unit and a removable unit that is attached to the base unit in a removable state, that positions the removable unit relative to the base unit, the positions regulation member including a position regulation arm provided so as to be mobile between a first position and a second position through the use of a cam mechanism, and a biasing spring attached to the position regulation arm. When the position regulation arm is moved from the first position to the second position or from the second position to the first position, the biasing spring biases the position regulation arm in the direction of the movement of the position regulation arm by first elastically deforming and then switch the direction of biasing by passing a inversion point.Type: GrantFiled: December 8, 2010Date of Patent: May 8, 2012Assignee: Seiko Epson CorporationInventor: Takao Oizumi
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Publication number: 20120106988Abstract: An image forming apparatus includes an image forming section which forms an image on a paper sheet by using a developer; a fixing section which includes a rotational axis and rotates around the rotational axis so as to fix the image formed on the paper sheet; a transport mechanism which transports the paper sheet on a paper transport route in a transport direction; a transport stop detecting section which detects a transport stop of the paper sheet; a judgment section which judges to which one of an upstream side and a downstream side of the fixing section in the transport direction the paper sheet is removed after the transport stop is detected by the transport stop detecting section; and a control section which controls the transport mechanism to execute a cleaning mode for cleaning the fixing section based on a judgment result of the judgment section.Type: ApplicationFiled: October 17, 2011Publication date: May 3, 2012Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Tetsuya OKANO
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Patent number: 8157262Abstract: The recording apparatus includes: a recording head having a recording surface; a conveyor unit having three rollers, and a conveyor belt looped around the rollers; and a roller moving mechanism. The mechanism moves at least one of the three rollers so as to allow the conveyor unit to shift between a first state and a second state. In the first state, an image can be formed by the recording head to a recording medium. A conveyor surface faces the recording surface with a predetermined gap therebetween, and the three rollers are in a predetermined relative positional relation so as to apply tension to the conveyor belt. In the second state, a gap larger than the predetermined gap exists between the conveyor surface and the recording surface, and the three rollers are in a relative positional relation different from the predetermined relative positional relation.Type: GrantFiled: February 12, 2009Date of Patent: April 17, 2012Assignee: Brother Kogyo Kabushiki KaishaInventor: Yuji Sakano
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Patent number: 8155559Abstract: An image-forming device includes a body frame having a first contacting part and a second contacting part; and a belt unit detachably mounted in the body frame. The belt unit includes a belt unit main frame, a first roller, a second roller, a belt, a belt unit side frame, a handle part, a first contacted part, and a second contacted part. The belt unit side frame is attached to the belt unit main frame. The handle part is disposed at the belt unit main frame. The first contacted part is provided on the handle part to contact the first contacting part. The second contacted part is provided on one of the belt unit main frame and the belt unit side frame to contact the second contacting part. The second contacted part is closer to the second roller than the first roller.Type: GrantFiled: March 5, 2009Date of Patent: April 10, 2012Assignee: Brother Kogyo Kabushiki KaishaInventor: Shigeki Hayakawa
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Publication number: 20120082478Abstract: An image forming apparatus is provided. The image forming apparatus includes an image forming unit, a door to cover an opening in a chassis, a fixing unit, a frame, a linear motion member to linearly move along with the door, a guiding member to guide the linear motion member to move linearly, a coupler assembly to couple the door with the linear motion member and move the linear motion member, and a manipulation member being movable according to movement of the linear motion member. The linear motion member includes a contact portion, with which the manipulation member comes in contact along an intersecting direction. The guiding member includes a slider plane to slidably support the linear motion member. The linear motion member is slidably supported by the slider plane of the guiding member at a surface which is on an opposite side from the surface having the contact portion.Type: ApplicationFiled: March 16, 2011Publication date: April 5, 2012Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Wei Ming WANG
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Patent number: 8139245Abstract: An approach is provided for managing the processing of print data at a printing device based upon available consumable resources. A printing device includes a print process configured to determine consumable resources that are currently available at the printing device. The print process is further configured to determine which print data is to be processed based upon the consumable resources currently available at the printing device and the consumable resources required to completely process each of the print data. Print data that can be completely processed using the currently available consumable resources are selected for processing. The print process may also be configured to cause a notification to be provided to a client device to indicate the consumable resources currently available at a printing device and/or that insufficient consumable resources were available to process particular print data and to recommend other consumable resources to process the particular print data.Type: GrantFiled: April 24, 2006Date of Patent: March 20, 2012Assignee: Ricoh Company, Ltd.Inventor: Lifen Tian
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Patent number: 8121522Abstract: A transfer apparatus of the invention includes a primary transfer unit, and a secondary transfer unit that includes a transfer roller having a bearing and being capable of contacting with and separating from the primary transfer unit, the primary transfer unit includes a guide member receiving the bearing at a position opposite to the bearing, and the guide member has a protrusion on a surface with which the bearing contacts when the transfer roller contacts with and separates from the primary transfer unit.Type: GrantFiled: February 4, 2009Date of Patent: February 21, 2012Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Katsuhiro Yamada
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Patent number: 8107856Abstract: A fixing device including a heating member, a pressing member that presses the heating member, a switching unit that switches a press contact force of the pressing member and a container body that accommodates the heating member, the pressing member, and the switching unit, wherein the switching unit, includes a drive member that moves the pressing member in a predetermined direction and an auxiliary drive member that is connected to the drive member and relatively moves with the drive member, and the auxiliary drive member, in a case where the container body is placed in an image forming apparatus including a lid, switches between a operative association state and a nonoperative association state, and the auxiliary drive member including a returning section that returns a tip of the auxiliary drive member to a position crossing a movement trajectory of the lid in the nonoperative association state.Type: GrantFiled: October 1, 2008Date of Patent: January 31, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Yasutaka Gotoh, Kiichirou Arikawa, Shigeru Watanabe, Hiroko Furukata
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Patent number: 8107865Abstract: An image forming apparatus including a fixing device having first and second rollers to press against each other with a sheet of paper to be transferred therebetween. The apparatus includes a roller frame to support the first roller; a separation claw, which, when disposed in an operational position on an outer circumferential surface of the first roller, separates the sheet of paper from the first roller; a claw frame to support the separation claw, which is movably attached to the roller frame to allow the separation claw to move between the operational position and a withdrawal position, at which the separation claw is withdrawn from the operational position; and an elastic member coupled between the claw frame and the roller frame, to bias the claw frame such that biasing force applied to the claw frame causes the separation claw to move from the withdrawal position to the operational position.Type: GrantFiled: June 16, 2010Date of Patent: January 31, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Seo-won Park
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Patent number: 8095039Abstract: An image forming apparatus includes: a main body; an opening and closing unit disposed so as to be openable and closable for the main body; a fixing unit fixing the opening and closing unit to the main body; a structure including a component for realizing an image forming function and/or a transfer medium-conveying function, the structure being supported movably for the main body; a bias unit disposed between the opening and closing unit and the structure, the bias unit biasing the structure so as to be pushed to a member mounted within the main body; a constraining unit constraining the opening and closing unit and the structure against a bias force of the biasing unit when the fixing unit does not fix the opening and closing unit; and a releasing unit releasing the opening and closing unit and the structure from being constrained when the fixing unit fixes the opening and closing unit.Type: GrantFiled: September 19, 2007Date of Patent: January 10, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Akihito Yamauchi
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Patent number: 8087658Abstract: A multifunction peripheral includes a main body, a jam access cover, and a manual paper feeding tray. The jam access cover can expose the interior of the main body by being rotated. The manual paper feeding tray is attached to the jam access cover so as to be rotatable with a tray rotation shaft at a position that is different from a jam access cover rotation shaft as a center. A projection is arranged on the manual paper feeding tray so as to contact with a recess on the main body side to regulate the rotation of the manual paper feeding tray when the jam access cover is opened. The manual paper feeding tray includes a distal end that is located a higher position than the jam access cover rotation shaft when the projection contacts with the recess.Type: GrantFiled: May 5, 2010Date of Patent: January 3, 2012Assignee: Murata Machinery, Ltd.Inventor: Ryohei Ohtsuki
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Patent number: 8081899Abstract: An image forming apparatus configured to prevent damage to an opening/closing member when external force is applied in a direction perpendicular to a direction where a scanner unit is opened or closed with respect to an image forming unit.Type: GrantFiled: December 19, 2007Date of Patent: December 20, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Sakae Ito
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Publication number: 20110299881Abstract: A color electrophotographic image forming apparatus for forming an image on a recording material includes a cartridge supporting member for supporting a plurality of cartridges, wherein the cartridge supporting member is movable between an inside position inside a main assembly of the image forming apparatus and an outside position outside the main assembly and includes a plurality of mounting portions to which the plurality of cartridges are detachably mountable; and a conveying path along which the recording material is to be conveyed. The cartridge supporting member is movable to an exposing position, which is a part of the outside position, in which the conveying path is exposed at an upstream side of the upstreammost-side mounting portion with respect to a pulling-out direction in which the cartridge supporting member is to be moved from the inside position to the outside position.Type: ApplicationFiled: May 19, 2011Publication date: December 8, 2011Applicant: CANON KABUSHIKI KAISHAInventor: Tomoya Tateishi
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Publication number: 20110293326Abstract: An image forming apparatus includes a main assembly; a door member which supports one of roller members constituting a feeding nip for a recording material and which is rotatable about an axis parallel with said roller members in a sidewise direction of said main assembly to open said feeding nip; a pair of urging mechanisms which are provided at opposite end portions of said door member with respect to a front-rear direction of said main assembly and which fix said door member to said main assembly so as to be capable of opening and closing said door member, said urging mechanism urging said door member toward said main assembly in a state that said door member is closed; and an operating member provided with a grip for manual opening of said door member, said grip being disposed in a position nearer to a front side than a center portion position of said door member with respect to the front-rear direction, and said operating member being rotatably supported in a position nearer to a rear side than a centerType: ApplicationFiled: May 31, 2011Publication date: December 1, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Yuichi Tanabe, Takahiro Kobayashi
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Patent number: 8047539Abstract: If a jam detecting portion detects a sheet jam, a rear end position of the jammed sheet is computed based on information, when a rear end of the jammed sheet is located within an area A1 and a length Ls of the jammed sheet in a conveying direction of the sheet is equal to or shorter than a distance L between the area A1 and an area A2, driving operations of a pre-registration roller and a registration roller are controlled so that the jammed sheet is conveyed to a downstream until a rear end of the sheet passes through a downstream end of the area A1. When Ls is longer than L, the pre-registration roller and the registration roller are controlled so that the jammed sheet is conveyed toward the upstream until the rear end of the sheet passes through an upstream end of the area A1.Type: GrantFiled: February 14, 2011Date of Patent: November 1, 2011Assignee: Canon Kabushiki KaishaInventor: Keiko Fujita
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Patent number: 8047540Abstract: A recording medium conveying device including a body portion capable of being mounted to and removed from a body of an apparatus, the body portion being provided with a conveying roller; a knob member disposed at a side at which the body portion is removed, the knob member allowing manual rotation of the conveying roller; and a handle member for mounting the body portion to and removing the body portion from the body of the apparatus. The handle member is rotatably supported so as to move between a first position and a second position, The knob member is connected to a rotating shaft of the conveying roller so as to move along a direction in which the body portion is removed. The handle member moves between the first position and the second position in response to an accommodation operation and a draw-out operation of the knob member.Type: GrantFiled: April 3, 2009Date of Patent: November 1, 2011Assignee: Kyocera Mita CorporationInventors: Hironori Daigo, Yuya Shimohora
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Patent number: 8045887Abstract: An intermediate transfer unit includes a stand member that is integral with an intermediate-transfer-unit body of the intermediate transfer unit. The stand member stretches below the intermediate-transfer-unit body from a trailing edge to a leading edge of the intermediate-transfer-unit in an attachment direction of the intermediate transfer unit.Type: GrantFiled: May 11, 2007Date of Patent: October 25, 2011Assignee: Ricoh Company, Ltd.Inventors: Takeshi Sakashita, Tomofumi Inoue, Yuuji Meguro, Takeru Muramatsu, Kohji Hatayama
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Patent number: 8045888Abstract: A conveying device conveys a sheet of non-blank recording medium recorded with an image formed in an image forming unit, and includes a container that is detachable and contains a sheet of blank recording medium, a feeding unit that feeds the blank recording medium from the container, and a recirculating path that leads the non-blank recording medium to the feeding unit. The recirculating path is disposed lateral to the image forming unit. A part of the recirculating path is integrated into the container and forms a reversing path that leads to the feeding unit. At least one of surfaces of the reversing path can be exposed.Type: GrantFiled: December 12, 2006Date of Patent: October 25, 2011Assignee: Ricoh Company, Ltd.Inventors: Shigeo Nanno, Hiroshi Fujiwara, Yasuhide Ohkubo, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki, Masafumi Takahira
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Patent number: 8041254Abstract: An image forming apparatus may include a sheet conveyance path having a generally U-shaped portion. The U-shaped portion may be formed by inner and outer guides, and the guides may be arranged such that they may be sequentially removed from the apparatus in a common direction, and through a common opening in the apparatus. For example, to remove a fixing portion from within the apparatus, the outer guide may first be removed, followed by the removal of the inner guide, and then followed by the removal of the fixing portion. The guides may overlap one another when viewed from the common direction.Type: GrantFiled: September 4, 2008Date of Patent: October 18, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Sakae Ito
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Patent number: 8029129Abstract: A cover support mechanism regulates an opening angle of an openable cover with respect to a chassis of an electronic device. The cover constitutes a portion of the chassis. The mechanism has a cord shaped or tape shaped stopper, and a support unit. The stopper has a first end portion and a second end portion, the first end portion being fixed to the cover. The support unit supports the second end portion of the stopper. The support unit is provided to the electronic device. The support unit has a receiving portion, a biasing member, and a braking unit. The receiving portion has a space for pulling in the second end portion of the stopper. The biasing member applies force to the stopper for pulling in the stopper into the receiving portion. The braking unit applies frictional force to the stopper when the cover is opened.Type: GrantFiled: March 14, 2007Date of Patent: October 4, 2011Assignee: Sharp Kabushiki KaishaInventors: Susumu Hashimoto, Jinichi Nagata, Hidetoshi Kaneko, Yasunobu Ohkawa
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Publication number: 20110236042Abstract: An image forming apparatus includes: an image forming unit that forms an image on recording paper; a paper feeding unit that feeds the recording paper to the image forming unit; an opening/closing door that is provided to be opened/closed by an operator; a paper conveyance path through which the recording paper is conveyed from the paper feeding unit through the image forming unit to a paper outlet, the paper conveyance path including a maintenance feasible conveyance path and a maintenance infeasible conveyance path that does not allows the operator to maintain even if the opening/closing door is opened; and a residual paper detecting unit that detects residual paper remaining on the maintenance infeasible conveyance path. New recording paper is fed to the paper conveyance path when the residual paper detecting unit has detected the residual paper after opening and closing the opening/closing door.Type: ApplicationFiled: August 30, 2010Publication date: September 29, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Yasuki TANAKA
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Patent number: 8019248Abstract: An upper conveyance guide is provided at an apparatus main body. A guide surface of a lower conveyance guide is provided facing a guide surface of the upper conveyance guide, and can be drawn out in the direction intersecting the sheet conveyance direction with respect to the apparatus main body. A cleaning unit is provided on the backside in the drawing-out direction of the lower conveyance guide, moves together with the lower conveyance guide when the lower conveyance guide is drawn out from the apparatus main body, and cleans the guide surface of the upper conveyance guide.Type: GrantFiled: January 28, 2010Date of Patent: September 13, 2011Assignee: Canon Kabushiki KaishaInventor: Hiroyuki Takahashi
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Patent number: 8014700Abstract: An image forming apparatus which includes a plurality of image bearing members, a plurality of primary transferring devices, an intermediary transfer unit, a secondary transfer portion, a feeding path, a detecting member, an adjusting device, an openable member, a guiding mechanism, and a retracting mechanism.Type: GrantFiled: September 19, 2008Date of Patent: September 6, 2011Assignee: Canon Kabushiki KaishaInventor: Yuhei Takei
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Patent number: 7995220Abstract: An image forming apparatus that forms an image on a recording paper fed from a paper cassette, the apparatus comprises: a housing that accommodates the paper cassette to be drawn toward the front side of the housing and has an opening in the side surface of the housing; and a lid body including a covering part and a sliding part that slidably supports the covering part, the covering part having a member that covers the opening of the side surface of the housing and projects toward the inner side than the opening, the covering part and the sliding part integrally separating from the opening, and the covering part sliding in parallel to the opening.Type: GrantFiled: March 14, 2006Date of Patent: August 9, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Masayoshi Nishida, Masahiro Mori, Shinji Masaki
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Patent number: 7991346Abstract: An image recording system is configured in which a plurality of image recording apparatuses provided with a recording medium storage portion are disposed in a line, and a recording medium storage means shared by these image recording apparatuses is provided, and a recording medium that has been recorded by the plurality of image recording apparatuses is transported toward the recording medium storage means and stored in the recording medium storage means.Type: GrantFiled: July 6, 2006Date of Patent: August 2, 2011Assignee: Sharp Kabushiki KaishaInventors: Hiroshi Kida, Kimihito Yamasaki, Yuji Okamoto
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Patent number: 7984907Abstract: In an automatic feeder and an image acquiring apparatus, a cover is rotatably connected to a body through a first pin and openable and closable with respect to the body. A roller gear rotates a transporting roller to transport a sheet. An actuating member is attached to the first pin and driven by rotation of the first pin. A middle gear, displaceable by the actuating member, is selectively engaged with a power-output gear and the roller gear so as to transmit a power to the roller gear. An actuating member moves the middle gear to be engaged with the power-output gear and the roller gear when the cover is closed upon the body, and moves the middle gear to be disengaged from at least one of the power-output gear and roller gear when the cover is opened.Type: GrantFiled: December 28, 2010Date of Patent: July 26, 2011Assignee: Avision Inc.Inventor: Ku Ming Chen
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Patent number: 7986904Abstract: In an image forming apparatus, a plurality of photoconductors arranged in the apparatus is supported by a support frame which is allowed to be pulled out from a body of the apparatus; and an endless intermediate transfer belt looped around a first roller and a second roller is in contact with each of the plurality of photoconductors. The first roller is supported by the body of the apparatus and retained in a position fixed relative to the body of the apparatus, and the support frame comprises a positioning portion which is configured to support a roller shaft of the second roller or a bearing part of the roller shaft of the second roller and to retain the intermediate transfer belt in a position fixed relative to the plurality of photoconductors.Type: GrantFiled: January 28, 2009Date of Patent: July 26, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Yasushi Okabe
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Patent number: 7979000Abstract: A turnable transfer unit, including a transfer member forming a transfer nip while contacting an image bearer installed in an image forming apparatus; and a pressurizer pressurizing the transfer member to the image bearer, wherein the turnable transfer unit further includes a turnable lever member, including an engaging part engaging with a positioning part of the image forming apparatus; and a contact part contacting an opening and closing body openable and closable in the image forming apparatus, wherein the lever member turns in conjunction with a closing operation of the opening and closing body to position the transfer unit in the image forming apparatus.Type: GrantFiled: June 17, 2009Date of Patent: July 12, 2011Assignee: Ricoh Company LimitedInventors: Takuya Sekina, Masaharu Furuya, Katsuhito Haruno, Masakazu Imai
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Patent number: 7979002Abstract: A sheet processing apparatus includes an opening/closing member which is turnably supported by an apparatus body and through which a user accesses the apparatus, and a conveying guide which is movably supported by a user access door and which includes a sheet conveying surface. When the opening/closing member is opened in a state where a sheet remains on the sheet conveying surface, the conveying guide is separated from the opening/closing member by the remaining sheet.Type: GrantFiled: December 17, 2008Date of Patent: July 12, 2011Assignee: Canon Kabushiki KaishaInventors: Kazushi Nishikata, Shuji Nishitani
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Patent number: 7962061Abstract: An image forming apparatus is described. The image forming apparatus may include a casing including an image forming section, an ejecting section provided above the image forming section and an image scanning section provided above the ejecting section, formed with an ejecting port communicating with the ejecting section; and an operating section. A side surface of the casing closer to the ejecting port includes a generally vertical surface and an upper surface of the casing includes a generally horizontal surface. The casing is provided with an inclined surface inclined along a direction intersecting with the generally vertical surface and the generally horizontal surface for connecting the generally vertical surface and the generally horizontal surface with each other, and the ejecting port is formed on the inclined surface, and the operating section is arranged under the ejecting port on the inclined surface.Type: GrantFiled: August 29, 2008Date of Patent: June 14, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Shougo Sato, Keiichiro Egami, Yosuke Mase, Yusuke Nakata, Kayo Hasui
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Patent number: 7957666Abstract: An image forming apparatus is described. The image forming apparatus may include a casing including an image forming section, an ejecting section above the image forming section and an image scanning section above the ejecting section, formed with an ejecting port communicating with the ejecting section; and an operating section. A side surface of the casing closer to the ejecting port includes a generally vertical surface and an upper surface of the casing includes a generally horizontal surface. The casing is provided with an inclined surface inclined along a direction intersecting with the generally vertical surface and the generally horizontal surface for connecting the generally vertical surface and the generally horizontal surface with each other. The ejecting port is formed on the inclined surface. The operating section is inclined along a direction approaching a horizontal surface than the inclined surface under the ejecting port on the inclined surface.Type: GrantFiled: August 29, 2008Date of Patent: June 7, 2011Assignee: Brother Kogyo Kabushiki KaishaInventors: Shougo Sato, Keiichiro Egami, Yosuke Mase, Yusuke Nakata, Kayo Hasui
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Patent number: 7957674Abstract: In order to facilitate removal of jammed sheets in an image forming device placed at a low place, there is provided an image forming device including a main body formed with an upper opening; an image forming unit that forms images on recording medium, and an upper cover pivotably movably supported to the main body for covering the upper opening. The main body accommodates the image forming unit. The upper cover includes a discharge roller and a pinch roller pressed against the discharge roller. The discharge roller discharges the recording medium conveyed from the image forming unit outside the main body of the image forming device in cooperation with the pinch roller.Type: GrantFiled: August 5, 2009Date of Patent: June 7, 2011Assignee: Brother Kogyo Kabushiki KaishaInventor: Takuya Yamaguchi