Patents by Inventor Yuichiro Osawa
Yuichiro Osawa 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: 11119439Abstract: An image forming apparatus includes an opening/closing unit configured to take a first closed position and a first open position, and a rotatable member configured to take a second closed position for covering an opening to form a double-sided conveyance path, and a second open position for opening the double-sided conveyance path. The unit includes an engaging portion with a portion to be engaged, an interlock shaft rotatable with the engaging portion, and a gripping portion configured to rotate the interlock shaft, the engaging portion to position the unit at the first closed position. When the opening/closing member moves from the second closed position to the second open position, a protruding portion engages with the gripping portion of the unit positioned at the first closed position to rotate the engaging portion through the gripping portion to release the engagement to enable movement.Type: GrantFiled: July 20, 2020Date of Patent: September 14, 2021Assignee: Canon Kabushiki KaishaInventor: Yuichiro Osawa
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Publication number: 20210034009Abstract: An image forming apparatus includes an opening/closing unit configured to take a first closed position and a first open position, and a rotatable member configured to take a second closed position for covering an opening to form a double-sided conveyance path, and a second open position for opening the double-sided conveyance path. The unit includes an engaging portion with a portion to be engaged, an interlock shaft rotatable with the engaging portion, and a gripping portion configured to rotate the interlock shaft, the engaging portion to position the unit at the first closed position. When the opening/closing member moves from the second closed position to the second open position, a protruding portion engages with the gripping portion of the unit positioned at the first closed position to rotate the engaging portion through the gripping portion to release the engagement to enable movement.Type: ApplicationFiled: July 20, 2020Publication date: February 4, 2021Inventor: Yuichiro Osawa
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Patent number: 9876927Abstract: An image reading device is movable between a first position and a second position spaced farther apart from an image forming device than the first position, and a regulating member configured to regulate respective positions of two cables maintains, when the image reading device is at the first position, the two cables, respectively, in a bent state in a direction away from each other.Type: GrantFiled: December 7, 2015Date of Patent: January 23, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Yuichiro Osawa, Yu Shuhama
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Patent number: 9857761Abstract: An image forming apparatus includes a main assembly having an opening; a supporting member for dismountably supporting a cartridge for forming an image on a recording material, the supporting member being movable between an inside position and an outside position through the opening; an openable member configured to open and close the opening; and a connecting member configured to connect the openable member and the main assembly with each other, the connecting member being provided with a movement regulating portion configured to regulate movement of the supporting member placed in the outside position in a state that the openable member opens the opening.Type: GrantFiled: May 26, 2016Date of Patent: January 2, 2018Assignee: Canon Kabushiki KaishaInventors: Yuichiro Osawa, Masatoshi Yamashita
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Patent number: 9618900Abstract: An image forming apparatus include a door through which a tray carrying a cartridge passes, wherein in interrelation with the door closing operation, (i) movement of the tray from a movable position to an image forming position, (ii) movement of a drive transmission member, for transmitting a driving force to the cartridge from a main assembly, from a first spacing position to a drive-connecting position, (iii) movement of an urging member for urging the cartridge to the main assembly from a second spacing position to a contact position, and (iv) movement of an electric energy supply member, for supplying electric power to the cartridge from the main assembly, from a third spacing position to an electric energy supplying position, are carried out in the order named.Type: GrantFiled: January 6, 2016Date of Patent: April 11, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Hiromi Fujinaka, Yuichiro Osawa, Masao Amano, Shigeru Hoashi
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Patent number: 9599952Abstract: An image forming apparatus includes a main assembly provided with an opening and a tray for placing thereon a cartridge for forming an image, wherein the tray is movable through the opening between an image forming position where the cartridge is used for image formation inside the main assembly and a mounting and demounting position where the cartridge is exposed to an outside of the main assembly and is mountable and demountable. In addition a door opens and closes the opening, and an accommodating member accommodates a sheet on which an image is formed. When the tray is in the mounting and demounting position, the door supports the tray and the accommodating member supports the door.Type: GrantFiled: April 28, 2015Date of Patent: March 21, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Hiromi Fujinaka, Takuya Suto, Yuichiro Osawa
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Patent number: 9594341Abstract: An image forming apparatus includes a main assembly including an opening, a cartridge tray for dismountably supporting a cartridge, an openable member for opening and closing the opening, with the cartridge tray being provided at one end portion side, and a limiting member. An urging member urges the cartridge tray from an inner position in the main assembly to an outer position, and a locking member moves between a regulating position and a non-regulating position in interrelation with movement of the openable member. When the openable member is closed, the locking member moves to the regulating position at which the locking member engages with the cartridge tray to push it to the inner position and limits movement of the cartridge tray toward the outer position, and when the openable member is opened, the locking member moves to the non-regulating position at which the locking member disengages from the cartridge tray.Type: GrantFiled: December 16, 2014Date of Patent: March 14, 2017Assignee: CANON KABUSHIKI KAISHAInventors: Tomoya Kuruma, Yuichiro Osawa
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Publication number: 20160349698Abstract: An image forming apparatus includes a main assembly having an opening; a supporting member for dismountably supporting a cartridge for forming an image on a recording material, the supporting member being movable between an inside position and an outside position through the opening; an openable member configured to open and close the opening; and a connecting member configured to connect the openable member and the main assembly with each other, the connecting member being provided with a movement regulating portion configured to regulate movement of the supporting member placed in the outside position in a state that the openable member opens the opening.Type: ApplicationFiled: May 26, 2016Publication date: December 1, 2016Inventors: Yuichiro Osawa, Masatoshi Yamashita
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Publication number: 20160116884Abstract: An image forming apparatus include a door through which a tray carrying a cartridge passes, wherein in interrelation with the door closing operation, (i) movement of the tray from a movable position to an image forming position, (ii) movement of a drive transmission member, for transmitting a driving force to the cartridge from a main assembly, from a first spacing position to a drive-connecting position, (iii) movement of an urging member for urging the cartridge to the main assembly from a second spacing position to a contact position, and (iv) movement of an electric energy supply member, for supplying electric power to the cartridge from the main assembly, from a third spacing position to an electric energy supplying position, are carried out in the order named.Type: ApplicationFiled: January 6, 2016Publication date: April 28, 2016Inventors: Hiromi Fujinaka, Yuichiro Osawa, Masao Amano, Shigeru Hoashi
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Patent number: 9304487Abstract: An image forming apparatus includes an opening/closing member movably provided in the apparatus main body and configured to take a closing position to close a first opening and a second opening and an opening position to open the first opening and the second opening. The opening/closing member includes a first opening/closing portion configured to close the first opening at the closing position and a second opening/closing portion configured to close the second opening at the closing position and provided so as to be movable with respect to the first opening/closing portion. A cartridge support member moving, at the opening position, in a pull-out direction from an inner position to an outer position causes the second opening/closing portion to move downstream in the pull-out direction.Type: GrantFiled: May 23, 2013Date of Patent: April 5, 2016Assignee: Canon Kabushiki KaishaInventors: Yu Shuhama, Tomio Noguchi, Yuichiro Osawa
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Publication number: 20160088177Abstract: An image reading device is movable between a first position and a second position spaced farther apart from an image forming device than the first position, and a regulating member configured to regulate respective positions of two cables maintains, when the image reading device is at the first position, the two cables, respectively, in a bent state in a direction away from each other.Type: ApplicationFiled: December 7, 2015Publication date: March 24, 2016Inventors: Yuichiro Osawa, Yu Shuhama
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Patent number: 9261855Abstract: An image forming apparatus include a door through which a tray carrying a cartridge passes. In a door closing operation, (i) movement of the tray from a movable position to an image forming position, (ii) movement of a drive transmission member, for transmitting a driving force to the cartridge from a main assembly, from a first spacing position to a drive-connecting position, (iii) movement of an urging member for urging the cartridge to the main assembly from a second spacing position to a contact position, and (iv) movement of an electric energy supply member, for supplying electric power to the cartridge from the main assembly, from a third spacing position to an electric energy supplying position, are carried out in the order named.Type: GrantFiled: November 26, 2013Date of Patent: February 16, 2016Assignee: Canon Kabushiki KaishaInventors: Hiromi Fujinaka, Yuichiro Osawa, Masao Amano, Shigeru Hoashi
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Patent number: 9237248Abstract: An image reading device is movable between a first position and a second position spaced farther apart from an image forming device than the first position, and a regulating member configured to regulate respective positions of two cables maintains, when the image reading device is at the first position, the two cables, respectively, in a bent state in a direction away from each other.Type: GrantFiled: March 19, 2012Date of Patent: January 12, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Yuichiro Osawa, Yu Shuhama
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Patent number: 9217986Abstract: An image forming apparatus includes an image bearing member for bearing a toner image, a transfer member for transferring the toner image from the image bearing member onto a sheet in contact with the image bearing member, and an openable unit including an openable member and a rotational shaft. In addition, a lock member locks the openable unit in a closed state by movement of the openable member, and a cam member, provided in the main assembly, rotatably moves the transfer member toward and away from the image bearing member. A force receiving portion, provided on the openable unit, receives a reaction force in contact with the cam member. The openable member includes the transfer member, and the cam member urges the force receiving portion when rotated to impart a force, for attracting the openable unit toward a locking direction by the lock member, to the openable member.Type: GrantFiled: August 21, 2014Date of Patent: December 22, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Yu Shuhama, Yuichiro Osawa, Masao Amano, Kiyoharu Yoshioka, Nobukazu Adachi
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Publication number: 20150331385Abstract: An image forming apparatus includes a main assembly provided with an opening; a tray for placing thereon a cartridge for forming an image, wherein the tray is movable through the opening between an image forming position where the cartridge is used for image formation inside the main assembly and a mounting and demounting position where the cartridge is exposed to an outside of the main assembly and is mountable and demountable; a door for opening and closing the opening; and an accommodating member for accommodating a recording material used for the image formation. When the tray is in the mounting and demounting position, the door supports the tray and the accommodating member supports the door.Type: ApplicationFiled: April 28, 2015Publication date: November 19, 2015Inventors: Hiromi Fujinaka, Takuya Suto, Yuichiro Osawa
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Publication number: 20150168911Abstract: An image forming apparatus includes an opening and a door; a tray for supporting a cartridge, the tray being movable between outer and inner positions; a stopper movable in the inner position between a limiting position in which the tray is limited by an engaging portion and a release position; an urging member, upstream of the stopper, for urging the tray to the outer position, the urging member providing a rotational force to the tray to project the other end beyond the one end, when the stopper is in the limiting position; and a locking member interrelated with the door. When the door is closed, the locking member engages with the other end of the tray to push the tray to the inner position and limits downstream movement of the tray toward the outer position. When the door is opened, the locking member disengages from the tray.Type: ApplicationFiled: December 16, 2014Publication date: June 18, 2015Inventors: Tomoya Kuruma, Yuichiro Osawa
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Publication number: 20140356022Abstract: An image forming apparatus includes an openable cover, including a rotational shaft, capable of opening and closing an opening by being rotated about the rotational shaft relative to a main assembly of the image forming apparatus; an image forming portion for forming a toner image on a sheet; an opposing member, provided in the image forming portion, opposing the openable cover when the openable cover closes the opening; a contact member, provided on the openable cover, contactable to the opposing member; an urging member, provided on the openable cover, for urging the contact member toward the opposing member; and a locking member for locking the openable cover in a closed state relative to the main assembly. The image forming apparatus comprising a cam member, provided in the image forming portion, for moving the contact member toward and away from the opposing member by rotation of the cam member.Type: ApplicationFiled: August 21, 2014Publication date: December 4, 2014Inventors: Yu Shuhama, Yuichiro Osawa, Masao Amano, Kiyoharu Yoshioka, Nobukazu Adachi
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Patent number: 8838007Abstract: An image forming apparatus includes an openable cover capable of opening and closing an opening, an image forming portion for forming a toner image on a sheet, and a cam member provided in the image forming portion for moving a contact member toward and away from an opposing member. A controller controls the image forming portion and rotation of the cam member. The controller stops an operation of the image forming portion when a detecting unit detects opening of the openable cover, and then controls rotation of the cam member at least one full turn when the detecting unit detects closing of the openable cover.Type: GrantFiled: August 11, 2011Date of Patent: September 16, 2014Assignee: Canon Kabushiki KaishaInventors: Yu Shuhama, Yuichiro Osawa, Masao Amano, Kiyoharu Yoshioka, Nobukazu Adachi
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Publication number: 20140147158Abstract: An image forming apparatus include a door through which a tray carrying a cartridge passes, wherein in interrelation with the door closing operation, (i) movement of the tray from a movable position to an image forming position, (ii) movement of a drive transmission member, for transmitting a driving force to the cartridge from a main assembly, from a first spacing position to a drive-connecting position, (iii) movement of an urging member for urging the cartridge to the main assembly from a second spacing position to a contact position, and (iv) movement of an electric energy supply member, for supplying electric power to the cartridge from the main assembly, from a third spacing position to an electric energy supplying position, are carried out in the order named.Type: ApplicationFiled: November 26, 2013Publication date: May 29, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Hiromi Fujinaka, Yuichiro Osawa, Masao Amano, Shigeru Hoashi
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Publication number: 20130315619Abstract: An image forming apparatus includes an opening/closing member movably provided in the apparatus main body and configured to take a closing position to close a first opening and a second opening and an opening position to open the first opening and the second opening. The opening/closing member includes a first opening/closing portion configured to close the first opening at the closing position and a second opening/closing portion configured to close the second opening at the closing position and provided so as to be movable with respect to the first opening/closing portion. A cartridge support member moving, at the opening position, in a pull-out direction from an inner position to an outer position causes the second opening/closing portion to move downstream in the pull-out direction.Type: ApplicationFiled: May 23, 2013Publication date: November 28, 2013Inventors: Yu Shuhama, Tomio Noguchi, Yuichiro Osawa