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61. 发明授权

EP3876511B1 BELT TRANSFER-TYPE MULTIFUNCTION DEVICE AND METHOD FOR CONTROLLING SAME 有权
公开(公告)号：EP3876511B1
公开(公告)日：2023-08-16
申请号：EP19879634.4
申请日：2019-11-01
发明人： Lee, Myung Shin
IPC分类号： H04N1/23 , H04N1/00 , H04N1/12 , G03G15/00 , G03G21/04

62. 发明授权

EP3349065B1 IMAGE HANDLING APPARATUS 有权转让
公开(公告)号：EP3349065B1
公开(公告)日：2023-08-09
申请号：EP18160723.5
申请日：2007-04-25
发明人： MOROI, Shohhei , KUBOKURA, Masatoshi
IPC分类号： G03G15/00 , H04N1/00

63. 发明公开

EP4220305A2 IMAGE FORMING APPARATUS 审中-实审
公开(公告)号：EP4220305A2
公开(公告)日：2023-08-02
申请号：EP23159613.1
申请日：2021-05-18
申请人： CANON KABUSHIKI KAISHA
发明人： YOSHIDA, Atsushi , HIROTA, Kenichi
IPC分类号： G03G15/23 , G03G15/00
摘要： The present invention relates to an image forming apparatus (1) comprising: an image forming portion (N) configured to form an image on a sheet (S); a conveying roller pair (131) configured to nip and convey the sheet of which the image is formed on a first surface by the image forming portion; a sheet detecting portion (138) configured to detect the sheet conveyed by the conveying roller pair; a side end of the sheet detecting portion (139) configured to detect a position of the side end of the sheet (S) conveyed by the conveying roller pair (131) with respect to a widthwise direction (W); a reversing roller pair (132) configured to reverse the sheet (S) conveyed by the conveying roller pair by conveying in a first direction (A1) while nipping the sheet (S) and then by conveying in a second direction (A2) opposite to the first direction, and a moving means of the reversing roller pair (137) configured to move the sheet (S) in the widthwise direction (W) in a state in which the sheet (500) is nipped by the reversing roller pair (132), wherein the moving means of the reversing roller pair (137) moves the sheet in the widthwise direction on the basis of a detection result of the side end of the sheet detecting portion, and wherein the side end of the sheet detecting portion (139) is disposed in a downstream side of the sheet detecting portion (138) in the first direction.

64. 发明授权

EP3792696B1 IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE IMAGE FORMING APPARATUS 有权
公开(公告)号：EP3792696B1
公开(公告)日：2023-08-02
申请号：EP20189982.0
申请日：2020-08-07
发明人： FUKUTA, Toshinori , WATANABE, Naoki
IPC分类号： G03G15/00 , G06F3/12 , H04N1/00

65. 发明公开

EP4214579A1 SHUTTER MECHANISM, TONER CONTAINER, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-实审
公开(公告)号：EP4214579A1
公开(公告)日：2023-07-26
申请号：EP21766714.6
申请日：2021-09-03
申请人： Ricoh Company, Ltd.
发明人： ARIMATSU, Hideki , TERAZAWA, Seiji , MATSUYAMA, Sho
IPC分类号： G03G15/08

66. 发明授权

EP3819709B1 IMAGE FORMING APPARATUS 有权
公开(公告)号：EP3819709B1
公开(公告)日：2023-07-19
申请号：EP20206675.9
申请日：2020-11-10
发明人： KIMURA, Ryosuke
IPC分类号： G03G15/00 , G03G15/16

67. 发明授权

EP3765909B1 STRUCTURE FOR SELECTIVELY LOCKING TONER INLET SHUTTER OF TONER REFILL PORTION 有权
公开(公告)号：EP3765909B1
公开(公告)日：2023-07-19
申请号：EP19854473.6
申请日：2019-03-05
发明人： LEE, SeungSup , LEE, Min-Chul , MOON, Jiwon , CHOI, Woongyong
IPC分类号： G03G15/06 , G03G15/08

68. 发明公开

EP4209554A1 FIXING MEMBER FOR ELECTROPHOTOGRAPHY, FIXING DEVICE, ELECTROPHOTOGRAPHIC IMAGE FORMATION DEVICE, AND ADDITION CURING LIQUID SILICONE RUBBER MIXTURE 审中-实审
公开(公告)号：EP4209554A1
公开(公告)日：2023-07-12
申请号：EP21864307.0
申请日：2021-08-31
申请人： CANON KABUSHIKI KAISHA
发明人： KITANO Yuji , MAEDA Matsutaka , SOUMA Makoto , MIYAHARA Yasuhiro , YOSHIDA Yutaro , KURODA Shigeo
IPC分类号： C08L83/05 , C08L83/07 , G03G15/20 , C08K3/08
摘要： Provided is the following fixing member: despite the fact that the fixing member includes an elastic layer containing metal silicon powder having a high aspect ratio, its breakage or plastic deformation hardly occurs even when the member is used for a long time period. The fixing member is a fixing member including: a substrate; and an elastic layer arranged on the substrate, wherein the elastic layer contains a silicone rubber and metal silicon powder dispersed in the silicone rubber, wherein the elastic layer has an elastic modulus of 0.10 MPa or more and 0.40 MPa or less, and wherein the metal silicon powder has an aspect ratio of 1.4 or more and 2.5 or less, and a repose angle of 35° or more and 52° or less.

69. 发明授权

EP4068002B1 MANUAL SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：EP4068002B1
公开(公告)日：2023-07-12
申请号：EP21191062.5
申请日：2021-08-12
发明人： MORI, Takuya , CHONABAYASHI, Yuya , KOSUGE, Tomoya
IPC分类号： G03G15/00 , B41J13/10 , B65H1/00 , G03G21/16

70. 发明公开

EP4206824A1 PHOTORECEPTOR UNIT, CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE 审中-实审
公开(公告)号：EP4206824A1
公开(公告)日：2023-07-05
申请号：EP21861792.6
申请日：2021-08-31
申请人： Canon Kabushiki Kaisha
发明人： MURAKAMI, Ryuta , HAYASHIDA, Makoto , HAMADA, Takatoshi , NIIKAWA, Yusuke , HIRAYAMA, Akinobu , FUJINO, Toshiki , KAWAI, Tachio , SASAKI, Teruhiko
IPC分类号： G03G21/16 , G03G21/18 , G03G15/00
摘要： [Problem] To provide further development of a photosensitive member unit.
[Solution]
A photosensitive member unit detachably mountable to a main assembly of an image forming apparatus, the image forming apparatus including a first main assembly side helical gear portion and a second main assembly side helical gear portion which are coaxially rotatable, the photosensitive member unit includes a photosensitive member rotatable about a rotational axis thereof; a first unit side helical gear portion for meshing engagement with the first main assembly side helical gear portion; and a second unit side helical gear portion for meshing engagement with the second main assembly side helical gear portion, wherein a twisting direction of a tooth of the second unit side helical gear portion is the same as the twisting direction of a tooth of first unit side helical gear portion, wherein a helix angle of the tooth of the second unit side helical gear portion is larger than a helix angle of the tooth of the first unit side helical gear portion, and wherein the first unit side helical gear portion and the second unit side helical gear portion are rotatable in a state in which the first unit side helical gear portion is in meshing engagement with the first main assembly side helical gear portion, and the second unit side helical gear portion is in meshing engagement with the second main assembly side helical gear portion.

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