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公开(公告)号：US10345740B1
公开(公告)日：2019-07-09
申请号：US15995504
申请日：2018-06-01
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
Abstract: A toner case includes a case main body and an agitator. The case main body stores a toner. The agitator rotates around a rotation axis extending along one direction and agitates the toner stored in the case main body. The case main body includes a curve and a recess. The curve is curved in an arc shape around the rotation axis. The recess is recessed from the curve toward a side remote from the rotation axis. In a state where the agitator is in a first rotating position, a part of the agitator comes into contact with an inner circumferential face of the curve so that the part of the agitator is in a bent state. In a state where the agitator is in a second rotating position, the part of the agitator is inserted into the recess.
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公开(公告)号：US20240142895A1
公开(公告)日：2024-05-02
申请号：US18496778
申请日：2023-10-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
IPC: G03G15/08
CPC classification number: G03G15/0886 , G03G15/0875 , G03G2215/0692
Abstract: A shutter lock mechanism moves an engaging portion from a released position to an engaged position when a toner container is removed from an attachment portion. A feeding portion formed with a feeding port or a shutter portion that closes the feeding port is a linking portion. When the engaging portion is at the engaging position, the engaging portion engages with the engaged portion in both a case where the linking portion is at the closed position, and a case where the linking portion is at a semi-closed position between the closed position and the open position. When the linking portion is at a region from the semi-closed position to the closed position, the shutter portion closes the feeding port.
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公开(公告)号：US20190041770A1
公开(公告)日：2019-02-07
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
IPC: G03G15/08
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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公开(公告)号：US12242214B2
公开(公告)日：2025-03-04
申请号：US18496778
申请日：2023-10-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
IPC: G03G15/08
Abstract: A shutter lock mechanism moves an engaging portion from a released position to an engaged position when a toner container is removed from an attachment portion. A feeding portion formed with a feeding port or a shutter portion that closes the feeding port is a linking portion. When the engaging portion is at the engaging position, the engaging portion engages with the engaged portion in both a case where the linking portion is at the closed position, and a case where the linking portion is at a semi-closed position between the closed position and the open position. When the linking portion is at a region from the semi-closed position to the closed position, the shutter portion closes the feeding port.
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公开(公告)号：US20240142896A1
公开(公告)日：2024-05-02
申请号：US18496767
申请日：2023-10-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
IPC: G03G15/08
CPC classification number: G03G15/0891
Abstract: The screw conveying member that is a resin-molded member, and that conveys toner by rotating. The screw conveying member includes a shaft portion and a blade portion. The blade portion is formed spirally in series on an outer peripheral surface of the shaft portion. The blade portion includes a plurality of unit blade portions each forming one turn in a circumferential direction about a center axis of the shaft portion. In a case where a predetermined integer of 3 or more is taken to be N, each of the plurality of unit blade portions is formed in a same shape in each of N equally divided ranges in the circumferential direction.
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Patent Agency Ranking
公开(公告)号：US20190011856A1
公开(公告)日：2019-01-10
申请号：US16019594
申请日：2018-06-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daisuke Eto , Riku Minamoto
Abstract: A developer storage container includes a container body, a shaft, a moving wall and a pressing member. The container body has an inner peripheral surface defining a tubular internal space extending along a first direction. The shaft is arranged to extend in the first direction in the internal space and rotatably supported. The moving wall is movable in the first direction in the internal space while conveying the developer in the internal space toward a developer discharge port. The pressing member moves integrally with the moving wall by pressing the moving wall when the shaft is rotated in a first rotating direction and relatively moves to an upstream side with respect to the moving wall according to the engagement of a first engaging portion and a second engaging portion when the shaft is rotated in a second rotating direction opposite to the first rotating direction.
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公开(公告)号：US11442375B2
公开(公告)日：2022-09-13
申请号：US17410773
申请日：2021-08-24
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
Abstract: An image forming apparatus includes a drum unit, a development unit, a supporting part, and a biasing part. The supporting part supports the development unit so as to be shiftable in directions close to and separate from the drum unit. The biasing part biases a development housing of the development unit toward the drum unit. The drum unit is attachable to and detachable from a main housing. When the drum unit is not attached to the main housing, the development unit is biased by the biasing part and is positioned closer to the drum unit than a predetermined position of the development unit when the drum unit is attached. When the drum unit is attached to the main housing, a drum frame of the drum unit pushes away the development housing against a biasing force of the biasing part to shift the development unit to the predetermined position.
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公开(公告)号：US10768549B2
公开(公告)日：2020-09-08
申请号：US16550339
申请日：2019-08-26
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
IPC: G03G15/08
Abstract: A toner container includes a container body having a discharging port discharging a toner, a rotating member, a moving member, a transmitting member transmitting rotation to the rotating member, an agitating member agitating the toner in the container body, and a connecting member transmitting rotation to the agitating member. At least a part of the rotating member is at least partly installed in the container body. At least a part of the transmitting member is arranged outside the container body. The rotating member includes a following coupling facing to the outside of the container body. The transmitting member includes a transmitting coupling connected to the following coupling. The agitating member includes an agitating coupling facing to the outside of the container body. The connecting member includes a connecting coupling connected to the agitating coupling. The agitating coupling is arranged outside the outer circumference of the following coupling.
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公开(公告)号：US20200073285A1
公开(公告)日：2020-03-05
申请号：US16550338
申请日：2019-08-26
Applicant: KYOCERA Document Solutions Inc.
Inventor： Riku Minamoto
IPC: G03G15/08
Abstract: A toner container includes a container body containing a toner, a rotating member, a moving member, and a restricting mechanism. The container body has a discharging port discharging the toner. The rotating member is at least partly installed in the container body, engaged with an inner face of the container body, and rotated around a rotation axis extended in one direction. The moving member is attached to the rotating member, moved in the one direction in accordance with rotation of the rotating member, and conveys the toner in the container body to the discharging port. The restricting mechanism is provided in an engaging part of the rotating member and an inner face of the container body. The restricting mechanism allows rotation of the rotating member in a first rotating direction, and restricts rotation of the rotating member in a second rotating direction opposite to the first rotating direction.
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公开(公告)号：US10268140B2
公开(公告)日：2019-04-23
申请号：US16019594
申请日：2018-06-27
Applicant: KYOCERA Document Solutions Inc.
Inventor： Daisuke Eto , Riku Minamoto
Abstract: A developer storage container includes a container body, a shaft, a moving wall and a pressing member. The container body has an inner peripheral surface defining a tubular internal space extending along a first direction. The shaft is arranged to extend in the first direction in the internal space and rotatably supported. The moving wall is movable in the first direction in the internal space while conveying the developer in the internal space toward a developer discharge port. The pressing member moves integrally with the moving wall by pressing the moving wall when the shaft is rotated in a first rotating direction and relatively moves to an upstream side with respect to the moving wall according to the engagement of a first engaging portion and a second engaging portion when the shaft is rotated in a second rotating direction opposite to the first rotating direction.
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