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公开(公告)号：US11644769B2
公开(公告)日：2023-05-09
申请号：US17687495
申请日：2022-03-04
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tomohisa Soda
IPC: G03G15/08
CPC classification number: G03G15/0887
Abstract: An image forming apparatus includes first and second conveying members arranged with an axial angle, for conveying toner in first and second containers, and a conveying driving portion. The conveying driving portion includes a motor, a first gear, a second gear, a third gear, a swing gear, an idle gear, and a fourth gear. The second gear is fixed coaxially with the rotary shaft of the second conveying member. The swing gear swings on the outer circumference of the first gear rotated by a motor and meshes selectively with one of the second and third gears. The idle gear meshes with the third and fourth gears. The fourth gear has an axial angle between its input and output shafts and is fixed coaxially with the rotary shaft of the first conveying member.
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公开(公告)号：US20230140588A1
公开(公告)日：2023-05-04
申请号：US17972431
申请日：2022-10-24
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nozomu Inami
Abstract: A reading portion generates an original image including an image of a document sheet. A first document sheet end detection portion, in a case where the thickness of the document sheet is equal to or greater than a threshold value, identifies a peripheral edge shape of the document sheet by detecting a shadow portion that occurs at a peripheral edge portion of the document sheet in the original image. A second document end detection portion, in a case where the thickness of the document sheet is less than a threshold value, identifies the peripheral edge shape based on a specification by the user. A document sheet size determination portion determines a size of the document sheet according to a result of shape identification by the first document sheet end detection portion or a result of shape identification by the second document sheet end detection portion.
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公开(公告)号：US20230138292A1
公开(公告)日：2023-05-04
申请号：US17995655
申请日：2022-01-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Shingo YOSHIDA
Abstract: An optical scanning device (15) includes a reference light guide part (50); a sub-light guide part (40); a reference holding structure (53) which includes a reference reception part (55) configured so as to be in contact with the reference lens (52) deflected in a sub-scanning direction; a sub-holding structure (45) which includes a sub-reception part (45) configured so as to be in contact with the sub-lens (42) deflected in the sub-scanning direction, wherein a deflection direction of the reference lens (52) coincides with a deflection direction of the sub-lens (42), and when it is assumed that the reference lens (52) and the sub-lens (42) are not deflected, an absolute value of a smallest distance between the sub-reception part (45) and the sub-lens (42) is set to be equal to or larger than an absolute value of a smallest distance between the reference reception part (55) and the reference lens (52).
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公开(公告)号：US20230137796A1
公开(公告)日：2023-05-04
申请号：US18050796
申请日：2022-10-28
Applicant: KYOCERA Document Solutions Inc.
Inventor： Yoshihiro Yamagishi , Tamotsu Shimizu , Kazunori Tanaka , Ryota Okui , Kazuhiro Nakachi
IPC: G03G15/00
Abstract: An image forming apparatus includes an image-carrying member, a first acquisition processing portion, and a second acquisition processing portion. An electrostatic latent image is formed on the image-carrying member. The first acquisition processing portion acquires the potential value of the image-carrying member. The second acquisition processing portion acquires the temperature value of the image-carrying member based on the potential value of the image-carrying member acquired by the first acquisition processing portion.
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公开(公告)号：US11640131B2
公开(公告)日：2023-05-02
申请号：US17696732
申请日：2022-03-16
Applicant: KYOCERA Document Solutions Inc.
Inventor： Nobuhiro Nishioka
IPC: G03G15/20
Abstract: A fixing device includes a fixing roller, a pressure roller, a first bearing, a second bearing, and an annular insulating member. The insulating member is interposed at least one of between the first bearing and a shaft of the fixing roller and between the second bearing and a shaft of the pressure roller. The insulating member has a slit formed in at least one circumferential location thereon and creating a circumferential discontinuity in the insulating member, and includes a projection projecting from one of circumferentially opposed end surfaces of the slit toward the other of the circumferentially opposed end surfaces.
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Patent Agency Ranking
236.发明申请公开(公告)号：US20230131628A1
公开(公告)日：2023-04-27
申请号：US17968435
申请日：2022-10-18
Applicant: KYOCERA Document Solutions Inc.
Inventor： Akihiro WATANABE , Eiji GYOTOKU
Abstract: A toner conveyance device includes a vertical conveyance portion, a horizontal conveyance portion, a conveyance member, and a loosening member. The vertical conveyance portion conveys a toner or developer conveyed therein through an entry port connected to a main-body-side conveyance path by causing the toner or developer to fall vertically. The horizontal conveyance portion is connected to a lower end of the vertical conveyance portion and conveys the toner or developer in a horizontal direction by using the conveyance member. the loosening member is arranged at a first position below a connection portion between the main-body-side conveyance path and the entry port and at a second position protruding upward beyond the connection portion. A toner loosening mode is executable in which the toner or developer is fed into the vertical conveyance portion so as to cause the loosening member to reciprocate at the second position.
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公开(公告)号：US20230130258A1
公开(公告)日：2023-04-27
申请号：US18049950
申请日：2022-10-26
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tomohiro WATATANI , Yuhiro SAKAI
IPC: G03G15/20
Abstract: A fixing device includes a fixing belt, a pressing roller, a flat heater, a heater holder and a pair of mounting members. The flat heater has a first surface coming into contact with an inner circumferential surface of the fixing belt and a second surface opposite to the first surface. The heater holder comes into contact with the second surface of the flat heater. The mounting members comes into contact with both end portions of the first surface of the flat heater in the width direction, and are mounted to the heater holder such that the flat heater is held between the mounting members and the heater holder. The mounting member includes a downstream side end surface contact part which comes into contact with a downstream side end surface of the flat heater in the conveying direction.
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238.发明申请公开(公告)号：US20230128053A1
公开(公告)日：2023-04-27
申请号：US17967971
申请日：2022-10-18
Applicant: KYOCERA Document Solutions Inc.
Inventor： Tatsuya MAJIMA , Kenji MIYAMOTO , Hideo TANII , Takahiro HONDA , Makoto MATSUMOTO , Takuya ARITSUKI , Hiroyuki YAMAGUCHI
IPC: G06F3/12
Abstract: An image forming system includes an image forming apparatus and an insertion device. The image forming apparatus includes an image forming device, a transport device, and a control device. The control device acts as a controller and an executer. The controller causes the image forming device to execute a printing job, and causes the insertion device to insert the interleaving paper in a printed material at an insertion start timing designated by the printing job. The executer executes calibration at an execution start timing set in advance, and sets a time point that a predetermined time has elapsed after a previous calibration to the execution start timing in advance. The executer starts to execute the calibration at the insertion start timing, when a predetermined condition is satisfied.
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239.发明申请公开(公告)号：US20230127764A1
公开(公告)日：2023-04-27
申请号：US17972405
申请日：2022-10-24
Applicant: KYOCERA Document Solutions Inc.
Inventor： Hironori Yamauchi
Abstract: An image forming apparatus includes a fixing member, an electrostatic neutralizing member, a heater, and a melting portion. The fixing member comes into contact with a sheet to which a toner image has been transferred and fixes the toner image to the sheet. The electrostatic neutralizing member is electrically grounded and provided so as to be in contact with the fixing member. The heater is provided above a lowermost portion of the fixing member facing the fixing member, and heats the fixing member according supplied power. A melting portion is provided in an energizing path between the electrostatic neutralizing member and ground, and melts in a case where a current exceeding a predetermined threshold flows.
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公开(公告)号：US20230126430A1
公开(公告)日：2023-04-27
申请号：US17969387
申请日：2022-10-19
Applicant: KYOCERA Document Solutions Inc.
Inventor： Naoko Kawashima
Abstract: In an image forming apparatus, a correction processing unit prints a test pattern using a recording head, determines ink ejection malfunction positions on the basis of a scanned image of the test pattern, sets one of first and second correction modes for each of the ink ejection malfunction positions in accordance with a density of the ink ejection malfunction position on the basis of the scanned image, and performs the correction process for the ink ejection malfunction position in the set first or second correction mode. In the first correction mode, the correction process is performed for both a nozzle corresponding to the ink ejection malfunction position and an adjacent nozzle of the nozzle. In the second correction mode, the correction process is not performed for the nozzle corresponding to the ink ejection malfunction position but is performed for the adjacent nozzle.
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