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公开(公告)号：US20170336734A1
公开(公告)日：2017-11-23
申请号：US15585526
申请日：2017-05-03
Applicant: KYOCERA Document Solutions Inc.
Inventor： Teruhiko Nagashima , Hiromu Matsumoto , Hidenori Takenaka
CPC classification number: G03G15/0891 , G03G15/0898 , G03G15/09 , G03G21/206
Abstract: A developing device includes a housing, a developing roller, a developer conveying section, and a conveying screw. The developing roller includes a stationary magnet, and a sleeve rotatable around the stationary magnet. The developing roller faces a photoconductive drum. The developer conveying section is disposed below the developing roller for circularly conveying developer therein. The conveying screw conveys developer to supply developer to the developing roller. The stationary magnet includes a separation pole for producing a magnetic field that causes separation of developer from the sleeve. The housing includes a standing wall disposed downstream of the developing position in a rotational direction of the sleeve and facing the developing roller. The standing wall is formed with at least one opening that faces the separation pole in a horizontal direction. The developing device further includes at least one filter section covering the at least one opening.
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公开(公告)号：US10754291B2
公开(公告)日：2020-08-25
申请号：US16677260
申请日：2019-11-07
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiromu Matsumoto , Nobuhiro Fukuma
IPC: G03G21/16
Abstract: An image forming apparatus includes a toner container, and a lock drive portion. The toner container is attached to an attachment position set in an apparatus main body. The lock drive portion acquires a identification information from a storage portion, and upon determining, based on the identification information, that the toner container has an attachment compatibility, places a lock member at a lock position, and upon determining that the toner container does not have the attachment compatibility, places the lock member at a unlock position.
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公开(公告)号：US09983513B2
公开(公告)日：2018-05-29
申请号：US15585526
申请日：2017-05-03
Applicant: KYOCERA Document Solutions Inc.
Inventor： Teruhiko Nagashima , Hiromu Matsumoto , Hidenori Takenaka
CPC classification number: G03G15/0891 , G03G15/0898 , G03G15/09 , G03G21/206
Abstract: A developing device includes a housing, a developing roller, a developer conveying section, and a conveying screw. The developing roller includes a stationary magnet, and a sleeve rotatable around the stationary magnet. The developing roller faces a photoconductive drum. The developer conveying section is disposed below the developing roller for circularly conveying developer therein. The conveying screw conveys developer to supply developer to the developing roller. The stationary magnet includes a separation pole for producing a magnetic field that causes separation of developer from the sleeve. The housing includes a standing wall disposed downstream of the developing position in a rotational direction of the sleeve and facing the developing roller. The standing wall is formed with at least one opening that faces the separation pole in a horizontal direction. The developing device further includes at least one filter section covering the at least one opening.
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Patent Agency Ranking
公开(公告)号：US11656573B1
公开(公告)日：2023-05-23
申请号：US17995789
申请日：2021-03-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiromu Matsumoto
CPC classification number: G03G21/1676 , G03G15/0898 , G03G21/1695 , G03G2221/1648
Abstract: An image forming apparatus (1) includes a process unit (P) which is configured to be turned upward and then detached from an apparatus main body (3). The process unit (P) includes: a photosensitive drum (47); a developing device (51) which forms a developing nip area; a guide member (81) which comes into contact with an upper surface of a sheet and guides the sheet; and a seal member (91) supported between the developing device (51) and the guide member (81) in a turnable manner, wherein the seal member (91) opens a gap between the developing device (51) and the guide member (81) in a state where the process unit (P) is attached to the apparatus main body (3), and when the process unit (P) is turned upward, the seal member (91) is turned to close the gap between the developing device (51) and the guide member (81).
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公开(公告)号：US20200150580A1
公开(公告)日：2020-05-14
申请号：US16677260
申请日：2019-11-07
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiromu Matsumoto , Nobuhiro Fukuma
IPC: G03G21/16
Abstract: An image forming apparatus includes a toner container, and a lock drive portion. The toner container is attached to an attachment position set in an apparatus main body. The lock drive portion acquires a identification information from a storage portion, and upon determining, based on the identification information, that the toner container has an attachment compatibility, places a lock member at a lock position, and upon determining that the toner container does not have the attachment compatibility, places the lock member at a unlock position.
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公开(公告)号：US09841701B1
公开(公告)日：2017-12-12
申请号：US15393017
申请日：2016-12-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiromu Matsumoto , Tomohiro Sue
IPC: G03G15/08
CPC classification number: G03G15/0865 , G03G15/0887 , G03G21/105 , G03G2215/0827
Abstract: A toner container includes a container main body, a rotation member, a flat plate-like lid member, a rib member, and a film member. The rotation member is rotatably provided in the container main body and extends in a depth direction of the container main body. The lid member closes an opening portion of the container main body in the depth direction. The rib member is provided on an inner surface of the lid member in such a way as to be located adjacent to the rotation member with a predetermined gap from the rotation member, and positions the lid member with respect to the opening portion. The film member is attached to the housing of the container main body such that one surface of the film member contacts the rib member and an opposite surface of the film member contacts an outer circumferential surface of the rotation member.
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公开(公告)号：US10698345B2
公开(公告)日：2020-06-30
申请号：US15588940
申请日：2017-05-08
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daisuke Mimura , Hiromu Matsumoto
Abstract: An image forming apparatus includes a drum unit, a process frame, a lock member and an intermediate transferring unit. The drum unit rotatably supports a rotating shaft of a photosensitive drum. The process frame has an attachment part to which the drum unit is attached. The lock member positions the drum unit to the attachment part. The intermediate transferring unit is attached to the process frame after the drum unit is attached. The lock member has a supporting part, an engagement part and a restriction part. Though the supporting part, an end of the rotating shaft is passed. The engagement part is engaged with the process frame between the process frame and the intermediate transferring unit. The restriction part interferes with the intermediate transferring unit between the engagement part and the intermediate transferring unit to prevent the engagement part from being detached from the process frame.
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公开(公告)号：US20170357178A1
公开(公告)日：2017-12-14
申请号：US15393017
申请日：2016-12-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hiromu Matsumoto , Tomohiro Sue
IPC: G03G15/08
CPC classification number: G03G15/0865 , G03G15/0887 , G03G21/105 , G03G2215/0827
Abstract: A toner container includes a container main body, a rotation member, a flat plate-like lid member, a rib member, and a film member. The rotation member is rotatably provided in the container main body and extends in a depth direction of the container main body. The lid member closes an opening portion of the container main body in the depth direction. The rib member is provided on an inner surface of the lid member in such a way as to be located adjacent to the rotation member with a predetermined gap from the rotation member, and positions the lid member with respect to the opening portion. The film member is attached to the housing of the container main body such that one surface of the film member contacts the rib member and an opposite surface of the film member contacts an outer circumferential surface of the rotation member.
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