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公开(公告)号：US20190086838A1
公开(公告)日：2019-03-21
申请号：US16127515
申请日：2018-09-11
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daisuke Eto , Riku Minamoto , Koichi Hayashi , Takahisa Nakaue , Sadanori Nakae , Daichi Kawano
IPC: G03G15/095 , G03G15/08
CPC classification number: G03G15/095 , G03G15/0856 , G03G15/0868 , G03G15/09 , G03G15/556
Abstract: An image forming apparatus includes a housing in which a developing device is disposed, a cover member attached to the housing, a developer storage container to be detachably attached to the developing device, and a sensor unit. The developer storage container includes a container body having a storage space for storing a developer and a developer discharge port, and a moving wall configured to move in the container body. The sensor unit is arranged at a detection position where a detection sensor faces a specific area located above the developer discharge port on an outer peripheral surface of the container body when the cover member is in a closing posture, and arranged at a detection disable position where the detection sensor is distant from the specified area when the cover member is in an opening posture.
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公开(公告)号：US20190064703A1
公开(公告)日：2019-02-28
申请号：US16106193
申请日：2018-08-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto , Sadanori Nakae , Takahisa Nakaue , Koichi Hayashi , Daisuke Eto , Daichi Kawano
IPC: G03G15/095 , G03G15/08
Abstract: A developer container includes a container main body having an internal space and a developer discharge port; a movable wall moving in the internal space toward the developer discharge port; a detection surface which is a part of an inner peripheral surface that divides a storage space of a developer in the container main body and which becomes a detection region of a first detection sensor which detects the developer in the storage space; and a rotating body arranged in the storage space and capable of rotating around a rotary shaft along the first direction. The rotating body is mounted with a cleaning member which cleans the detection surface, a stirring member which stirs a developer in the storage space, and a detection target member to be a detection target of a second detection sensor which detects presence of the container main body.
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公开(公告)号：US11720047B2
公开(公告)日：2023-08-08
申请号：US17740242
申请日：2022-05-09
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto , Takashi Kusukawa
IPC: G03G21/06
CPC classification number: G03G21/06
Abstract: An image forming apparatus includes a transfer belt and a plurality of image forming units. The image forming unit includes a photosensitive drum and a charge elimination part. The charge elimination part of a predetermined image forming unit irradiates a downstream area of the primary transfer position on the photosensitive drum of the predetermined image forming unit with post-transfer charge elimination light and irradiates an upstream area of a primary transfer position on the photosensitive drum of the other image forming unit disposed on a downstream side of the predetermined image forming unit in the conveyance direction. A slit part is provided between the predetermined image forming unit and the other image forming unit for narrowing an irradiation width of the pre-transfer charge elimination light in a circumferential direction of the photosensitive drum.
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Patent Agency Ranking
公开(公告)号：US11640126B2
公开(公告)日：2023-05-02
申请号：US17815487
申请日：2022-07-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto , Takashi Kusukawa
Abstract: An image forming apparatus includes a toner container, a storage part, a cover and an opening/closing mechanism. The toner container includes a shutter. The cover is movable between a closed position for closing the storage part and an opened position for opening the storage part. The opening/closing mechanism closes a supply port by rotating the shutter in accordance with an opening operation for moving the cover to the opened position and opens the supply port by rotating the shutter in accordance with a closing operation for moving the cover to the closed position, in a state where the toner container is attached to the storage part. The toner container includes an interference portion which interferes with the opening/closing mechanism to prevent the toner container from being attached to the storage part in a case where the cover is not moved to the opened position normally.
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公开(公告)号：US11209742B1
公开(公告)日：2021-12-28
申请号：US17368513
申请日：2021-07-06
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
Abstract: An image carrier unit includes an image carrier, a charging device including a charging member, a cleaning member, a pair of bearing members rotatably supporting the charging member and the cleaning member, a biasing member biasing the bearing members in an approaching direction to the image carrier, and a charging housing holding the charging member and the cleaning member, and a pair of separation members. The bearing members each include a first bearing portion supporting a first rotary shaft of the charging member, a second bearing portion supporting a second rotary shaft of the cleaning member, and an engaged portion. The first bearing portion has an elongated hole shape having a greater inner diameter in an approach/separation direction. The separation members are each inserted between the charging housing and the engaged portion, thus causing the bearing members to move in such a direction as to separate from the image carrier.
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公开(公告)号：US10409199B2
公开(公告)日：2019-09-10
申请号：US16127515
申请日：2018-09-11
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daisuke Eto , Riku Minamoto , Koichi Hayashi , Takahisa Nakaue , Sadanori Nakae , Daichi Kawano
IPC: G03G15/00 , G03G15/08 , G03G15/095 , G03G15/09
Abstract: An image forming apparatus includes a housing in which a developing device is disposed, a cover member attached to the housing, a developer storage container to be detachably attached to the developing device, and a sensor unit. The developer storage container includes a container body having a storage space for storing a developer and a developer discharge port, and a moving wall configured to move in the container body. The sensor unit is arranged at a detection position where a detection sensor faces a specific area located above the developer discharge port on an outer peripheral surface of the container body when the cover member is in a closing posture, and arranged at a detection disable position where the detection sensor is distant from the specific area when the cover member is in an opening posture.
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公开(公告)号：US10289031B2
公开(公告)日：2019-05-14
申请号：US16106193
申请日：2018-08-21
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto , Sadanori Nakae , Takahisa Nakaue , Koichi Hayashi , Daisuke Eto , Daichi Kawano
IPC: G03G15/08 , G03G15/095
Abstract: A developer container includes a container main body having an internal space and a developer discharge port; a movable wall moving in the internal space toward the developer discharge port; a detection surface which is a part of an inner peripheral surface that divides a storage space of a developer in the container main body and which becomes a detection region of a first detection sensor which detects the developer in the storage space; and a rotating body arranged in the storage space and capable of rotating around a rotary shaft along the first direction. The rotating body is mounted with a cleaning member which cleans the detection surface, a stirring member which stirs a developer in the storage space, and a detection target member to be a detection target of a second detection sensor which detects presence of the container main body.
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公开(公告)号：US10234789B2
公开(公告)日：2019-03-19
申请号：US16050121
申请日：2018-07-31
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daichi Kawano , Takahisa Nakaue , Koichi Hayashi , Daisuke Eto , Riku Minamoto , Sadanori Nakae
Abstract: An image forming apparatus includes a developer container having a movable wall therein, a determination unit, a movable wall driving unit, and a movable wall driving controller. The determination unit outputs first determination information when a number of outputs of a signal indicating that a detection sensor has detected a developer is less than a threshold value, and outputs second determination information when the number of outputs thereof is equal to or greater than the threshold value. The movable wall driving unit includes a first driving motor for moving the movable wall and a first driving circuit for controlling driving thereof. The movable wall driving controller includes a signal controller. The signal controller transmits a drive permission signal for the first driving motor when the first determination information is output, and transmits a drive non-permission signal for the first driving motor when the second determination information is output.
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