Patents by Inventor Junichi Ochi
Junichi Ochi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11388302Abstract: An image forming apparatus includes an image forming unit provided on a first conveyance path, and a reading unit provided on a second conveyance path and configured to read image information from a sheet conveyed in the second conveyance path, with the second conveyance path branching from the first conveyance path. The sheet is conveyed through the second conveyance path in a case of forming an image on a second surface of the sheet opposite to a first surface of the sheet on which an image has been formed by the image forming unit. In addition, an opposing member opposes the reading unit with a space therebetween, and a conveyance roller conveys the sheet through the space between the reading unit and the opposing member and is rotatably supported by the opposing member.Type: GrantFiled: April 20, 2021Date of Patent: July 12, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Yohei Suzuki, Junichi Ochi
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Patent number: 11350005Abstract: An image forming unit forms an image on a sheet. The sheet is conveyed through a conveyance path after the image has been formed on the sheet. A reading unit reads the image formed on the sheet in the conveyance path. A conveyance guide constitutes a portion of the conveyance path and guides the sheet. A pressing unit presses the reading unit against the sheet. A connection unit connects the reading unit and the conveyance guide such that the reading unit and the conveyance guide move in an interlocked manner.Type: GrantFiled: September 24, 2020Date of Patent: May 31, 2022Assignee: Canon Kabushiki KaishaInventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
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Patent number: 11180337Abstract: A sheet discharge apparatus includes a pivot member pivoting in an up-down direction by being pressed by a sheet discharged from a sheet discharging portion, with the pivot member retained by being in contact with an uppermost sheet supported on the sheet supporting portion. A control unit changes a sheet interval between a preceding sheet and a succeeding sheet and executes a first discharge operation in which at least one sheet is discharged, and a second discharge operation in which sheets are discharged by the sheet discharging portion at a first sheet interval such that the pivot member does not contact with an uppermost sheet supported on the sheet supporting portion during the second discharge operation, and the control unit acquires a number of sheets to be discharged in the second discharge operation based on a detected position of the pivot member detected during the first discharge operation.Type: GrantFiled: May 16, 2019Date of Patent: November 23, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Miho Kaiga, Yohei Suzuki, Junichi Ochi, Kazuhide Okuno
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Publication number: 20210344808Abstract: An image forming apparatus includes an image forming unit provided on a first conveyance path, a reading unit provided on a second conveyance path and configured to read image information from a sheet conveyed in the second conveyance path, the second conveyance path branching from the first conveyance path, the sheet being conveyed through the second conveyance path in a case of forming an image on a second surface of the sheet opposite to a first surface of the sheet on which an image has been formed by the image forming unit, an opposing member configured to oppose the reading unit with a space therebetween, and a conveyance roller configured to convey the sheet through the space between the reading unit and the opposing member and rotatably supported by the opposing member.Type: ApplicationFiled: April 20, 2021Publication date: November 4, 2021Inventors: Yohei Suzuki, Junichi Ochi
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Patent number: 11079701Abstract: A transfer unit includes a reading unit to read an image on a sheet conveyed along a conveyance path, a first signal transmission member having a flat shape and is connected to the reading unit, and a relay member connected to the first signal transmission member. The relay member relays a signal from the first signal transmission member, and a second signal transmission member having a round shape and is connected to the relay member. The second signal transmission member leads into an apparatus body from an inner portion of the transfer unit in an axial direction of a first rotation shaft.Type: GrantFiled: October 1, 2020Date of Patent: August 3, 2021Assignee: Canon Kabushiki KaishaInventors: Miho Kaiga, Yohei Suzuki, Junichi Ochi, Atsushi Kawarago, Toshifumi Kitamura, Kenichi Fujii
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Publication number: 20210109464Abstract: A transfer unit includes a reading unit to read an image on a sheet conveyed along a conveyance path, a first signal transmission member having a flat shape and is connected to the reading unit, and a relay member connected to the first signal transmission member. The relay member relays a signal from the first signal transmission member, and a second signal transmission member having a round shape and is connected to the relay member. The second signal transmission member leads into an apparatus body from an inner portion of the transfer unit in an axial direction of a first rotation shaft.Type: ApplicationFiled: October 1, 2020Publication date: April 15, 2021Inventors: Miho Kaiga, Yohei Suzuki, Junichi Ochi, Atsushi Kawarago, Toshifumi Kitamura, Kenichi Fujii
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Publication number: 20210099594Abstract: An image forming unit forms an image on a sheet. The sheet is conveyed through a conveyance path after the image has been formed on the sheet. A reading unit reads the image formed on the sheet in the conveyance path. A conveyance guide constitutes a portion of the conveyance path and guides the sheet. A pressing unit presses the reading unit against the sheet. A connection unit connects the reading unit and the conveyance guide such that the reading unit and the conveyance guide move in an interlocked manner.Type: ApplicationFiled: September 24, 2020Publication date: April 1, 2021Inventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga, Koji Kawamura, Shinkichi Yamamoto
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Patent number: 10824109Abstract: An elastic force of an elastic member 11 required for rotating a driven rotational body 8b is decreased. A first rotational body 8d and a second rotational body 9a arranged downstream of a driven rotational body 8b in a drive train that transmits a driving force from a driving rotational body 7 to a driven member 4 are included. The first rotational body 8d rotates in synchronization with the driven rotational body 8b. The second rotational body 9a is rotated by the first rotational body 8d and rotates the driven member 4. The first rotational body 8d rotates without rotating the second rotational body 9a when the driven rotational body 8b rotates by an elastic force of an elastic member 11.Type: GrantFiled: April 18, 2019Date of Patent: November 3, 2020Assignee: Canon Kabushiki KaishaInventors: Hideto Chino, Junichi Ochi
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Publication number: 20190367313Abstract: A sheet discharge apparatus includes a sheet discharging portion, a sheet supporting portion, a pivot member configured to pivot by being pressed by the sheet discharged from the sheet discharging portion, a detecting unit configured to detect a position of the pivot member, and a control unit configured to change a sheet interval. The control unit executes a first discharge operation in which at least one sheet is discharged, a second discharge operation in which sheets are discharged at a first sheet interval, and a third discharge operation in which at least one sheet is discharged at a second sheet interval that is longer than the first sheet interval, a number of sheets discharged in the second discharge operation being acquired based on a detection result of the detecting unit detected during the first discharge operation.Type: ApplicationFiled: May 16, 2019Publication date: December 5, 2019Inventors: Miho Kaiga, Yohei Suzuki, Junichi Ochi, Kazuhide Okuno
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Patent number: 10436256Abstract: A drive transmission device includes: a first rotating member that rotates with driving power received from a driving source, a second rotating member that rotates with driving power from the first rotating member, and a driving-side engagement member and a driven-side engagement member for transmitting the driving power of the first rotating member to the second rotating member, wherein the driving-side engagement member and the driven-side engagement member engage with each other in a state in which the first rotating member is rotating whereby a power applying portion and a power receiving portion engage with each other while resisting against a second biasing power.Type: GrantFiled: February 14, 2017Date of Patent: October 8, 2019Assignee: Canon Kabushiki KaishaInventors: Koji Kawamura, Junichi Ochi, Joji Goto
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Publication number: 20190243302Abstract: An elastic force of an elastic member 11 required for rotating a driven rotational body 8b is decreased. A first rotational body 8d and a second rotational body 9a arranged downstream of a driven rotational body 8b in a drive train that transmits a driving force from a driving rotational body 7 to a driven member 4 are included. The first rotational body 8d rotates in synchronization with the driven rotational body 8b. The second rotational body 9a is rotated by the first rotational body 8d and rotates the driven member 4. The first rotational body 8d rotates without rotating the second rotational body 9a when the driven rotational body 8b rotates by an elastic force of an elastic member 11.Type: ApplicationFiled: April 18, 2019Publication date: August 8, 2019Inventors: Hideto Chino, Junichi Ochi
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Patent number: 10310444Abstract: An elastic force of an elastic member 11 required for rotating a driven rotational body 8b is decreased. A first rotational body 8d and a second rotational body 9a arranged downstream of a driven rotational body 8b in a drive train that transmits a driving force from a driving rotational body 7 to a driven member 4 are included. The first rotational body 8d rotates in synchronization with the driven rotational body 8b. The second rotational body 9a is rotated by the first rotational body 8d and rotates the driven member 4. The first rotational body 8d rotates without rotating the second rotational body 9a when the driven rotational body 8b rotates by an elastic force of an elastic member 11.Type: GrantFiled: September 8, 2017Date of Patent: June 4, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Hideto Chino, Junichi Ochi
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Publication number: 20190127166Abstract: A feeding apparatus includes a feeding member to feed a recording material stacked on a stacking portion, a first conveyance member, a separation member to form a nip portion with the first conveyance member and separate a plurality of recording materials at the nip portion, a second conveyance member, a detection unit, and a control unit. The control unit controls to feed a stacked first recording material and, after a first recording material rear end passes through the feeding member, the control unit controls to feed a stacked second recording material while partially overlapped with the first recording material and thereby the first recording material rear end passes through the nip portion after a second recording material leading end passes through the nip portion. The control unit controls so that the second recording material is stopped before the second recording material leading end reaches the second conveyance member.Type: ApplicationFiled: October 19, 2018Publication date: May 2, 2019Inventors: Junichi Ochi, Yohei Suzuki, Miho Kaiga
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Patent number: 10054890Abstract: An image forming apparatus includes a main assembly including an image forming portion; a rotatable member capable of feeding a sheet and configured to rotate; and a detecting unit including an interrelating member configured to rotate in interrelation with rotation of the rotatable member, a detecting member configured to detect rotation of the interrelating member, and a holding member configured to integrally hold the interrelating member and the detecting member. The interrelating member, the detecting member and the holding member are integrally assembled into a unit. The detecting unit is detachably mountable to the main assembly.Type: GrantFiled: May 2, 2017Date of Patent: August 21, 2018Assignee: Canon Kabushiki KaishaInventor: Junichi Ochi
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Patent number: 9964911Abstract: Included are an output member including a coupling allowed to be engaged with a unit; an input member; an input-side engagement member; an output-side engagement member allowed to be engaged with the input-side engagement member; an elastic member urging the input-side engagement member toward the output-side engagement member; and a disengagement member which moves the input-side engagement member at an engaged position, at which engagement with the output-side engagement member is allowed, to a disengaged position at which engagement with the output-side engagement member is released. In each of a state where the input-side engagement member is at the engaged position and a state where the input-side engagement member is at the disengaged position, a space is formed in which the output-side engagement member is allowed to move in the shaft direction when the output member is pressed to the shaft direction.Type: GrantFiled: March 16, 2016Date of Patent: May 8, 2018Assignee: Canon Kabushiki KaishaInventor: Junichi Ochi
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Patent number: 9891580Abstract: An elastic force of an elastic member 11 required for rotating a driven rotational body 8b is decreased. A first rotational body 8d and a second rotational body 9a arranged downstream of a driven rotational body 8b in a drive train that transmits a driving force from a driving rotational body 7 to a driven member 4 are included. The first rotational body 8d rotates in synchronization with the driven rotational body 8b. The second rotational body 9a is rotated by the first rotational body 8d and rotates the driven member 4. The first rotational body 8d rotates without rotating the second rotational body 9a when the driven rotational body 8b rotates by an elastic force of an elastic member 11.Type: GrantFiled: January 6, 2016Date of Patent: February 13, 2018Assignee: Canon Kabushiki KaishaInventors: Hideto Chino, Junichi Ochi
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Patent number: 9857749Abstract: The conveyance apparatus includes a first engaging portion of a first planetary gear unit and a second engaging portion of a second planetary gear unit, and a stopping member movable to a first stop position to stop a first engaged gear, and to a second stop position to stop a second engagement gear, in which a pivot fulcrum of the stopping member is arranged at an intersection between an extension line of a vector of a force that the first engaging portion receives from the first engaged portion under a state in which the stopping member is at the first stop position, and an extension line of a vector of a force that the second engaging portion receives from the second engaged portion under a state in which the stopping member is at the second stop position.Type: GrantFiled: April 16, 2015Date of Patent: January 2, 2018Assignee: Canon Kabushiki KaishaInventor: Junichi Ochi
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Publication number: 20170371295Abstract: An elastic force of an elastic member 11 required for rotating a driven rotational body 8b is decreased. A first rotational body 8d and a second rotational body 9a arranged downstream of a driven rotational body 8b in a drive train that transmits a driving force from a driving rotational body 7 to a driven member 4 are included. The first rotational body 8d rotates in synchronization with the driven rotational body 8b. The second rotational body 9a is rotated by the first rotational body 8d and rotates the driven member 4. The first rotational body 8d rotates without rotating the second rotational body 9a when the driven rotational body 8b rotates by an elastic force of an elastic member 11.Type: ApplicationFiled: September 8, 2017Publication date: December 28, 2017Inventors: Hideto Chino, Junichi Ochi
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Publication number: 20170322507Abstract: An image forming apparatus includes a main assembly including an image forming portion; a rotatable member capable of feeding a sheet and configured to rotate; and a detecting unit including an interrelating member configured to rotate in interrelation with rotation of the rotatable member, a detecting member configured to detect rotation of the interrelating member, and a holding member configured to integrally hold the interrelating member and the detecting member. The interrelating member, the detecting member and the holding member are integrally assembled into a unit. The detecting unit is detachably mountable to the main assembly.Type: ApplicationFiled: May 2, 2017Publication date: November 9, 2017Inventor: Junichi Ochi
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Publication number: 20170248171Abstract: A drive transmission device includes: a first rotating member that rotates with driving power received from a driving source, a second rotating member that rotates with driving power from the first rotating member, and a driving-side engagement member and a driven-side engagement member for transmitting the driving power of the first rotating member to the second rotating member, wherein the driving-side engagement member and the driven-side engagement member engage with each other in a state in which the first rotating member is rotating whereby a power applying portion and a power receiving portion engage with each other while resisting against a second biasing power.Type: ApplicationFiled: February 14, 2017Publication date: August 31, 2017Inventors: Koji Kawamura, Junichi Ochi, Joji Goto