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11. 发明申请

US20150277312A1 IMAGE FIXING DEVICE 有权
标题翻译：图像固定装置
公开(公告)号：US20150277312A1
公开(公告)日：2015-10-01
申请号：US14669634
申请日：2015-03-26
申请人： CANON KABUSHIKI KAISHA
发明人： Youichi Chikugo
IPC分类号： G03G15/20
CPC分类号： G03G15/6573 , G03G2215/00421 , G03G2215/00654 , G03G2215/00658
摘要： A fixing device includes a fixing device for nipping and feeding a sheet to fix a toner image on a sheet, said fixing device including a first fixing member contactable with a front surface of the sheet, and a second fixing member provided with an electroconductive surface layer contactable with a back surface of the sheet; a feeder provided downstream of said fixing device with respect to a sheet feeding direction to nip and feed the sheet, a feeder including a first feeding roller contactable with the front surface, and a second feeding roller provided with an electroconductive surface layer contactable with the back surface; a first discharging member contacted with said electroconductive surface layer of said second fixing member to discharge said second fixing member; and a second discharging member contacted with said electroconductive surface layer of said second feeding roller to discharge said second feeding roller.
摘要翻译：定影装置包括用于夹持和供给片材以将调色剂图像固定在片材上的定影装置，所述定影装置包括可与片材的前表面接触的第一固定构件和设置有导电表面层的第二固定构件可与片材的背面接触; 相对于片材进给方向设置在所述定影装置的下游的进料器，用于夹持和进给所述片材;进料器，包括可与所述前表面接触的第一进料辊;以及第二进料辊，所述第二进料辊设置有可与所述背面接触的导电表面层表面; 第一排出构件，与所述第二固定构件的所述导电表面层接触，以排出所述第二固定构件; 以及与所述第二进料辊的所述导电表面层接触以排出所述第二进料辊的第二排出构件。

12. 发明申请

US20130266353A1 FIXING APPARATUS 有权
标题翻译：固定装置
公开(公告)号：US20130266353A1
公开(公告)日：2013-10-10
申请号：US13834601
申请日：2013-03-15
申请人： CANON KABUSHIKI KAISHA
发明人： Youichi Chikugo
IPC分类号： G03G15/20
CPC分类号： G03G15/2064
摘要： A relationship X
摘要翻译：满足关系X

13. 发明授权

US12085875B2 Fixing apparatus including scraper for removing lubricant 有权
公开(公告)号：US12085875B2
公开(公告)日：2024-09-10
申请号：US18152599
申请日：2023-01-10
申请人： CANON KABUSHIKI KAISHA
发明人： Youichi Chikugo , Rikiya Takemasa , Kenichi Tanaka , Takeshi Kozuma , Hidekazu Tatezawa , Taku Ashida , Mikihiko Watanabe
IPC分类号： G03G15/20
CPC分类号： G03G15/2025 , G03G15/2053
摘要： A fixing apparatus includes a fixing belt that is rotatable and endless, a pad, a pressing rotary member, and a scraping member. The pad contacts an inner circumferential surface of the fixing belt. The pressing rotary member contacts the pad via the fixing belt to form a nip portion. In cooperation with the fixing belt, the pressing rotary member fixes a toner image to a recording material by applying heat and pressure to the recording material at the nip portion. A lubricant is applied to the inner circumferential surface of the fixing belt. The scraping member includes an inclined portion inclined downward toward an outer side of the fixing belt and contacting an edge portion of the fixing belt to scrape the lubricant. The inclined portion is in contact with the edge portion of the fixing belt in an area where an outer surface of the fixing belt faces upward.

14. 发明申请

US20220308508A1 FIXING UNIT 有权
公开(公告)号：US20220308508A1
公开(公告)日：2022-09-29
申请号：US17706448
申请日：2022-03-28
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuru Hasegawa , Hiroki Kawai , Ayano Ogata , Yasuharu Toratani , Suguru Takeuchi , Youichi Chikugo , Hidekazu Tatezawa , Yutaro Tsuno , Kenichi Tanaka , Rikiya Takemasa
IPC分类号： G03G15/20
摘要： An image forming apparatus includes a heating rotary member, a pressure rotary member, a nip portion formed by the rotary members, a temperature adjustment control section controlling a temperature of the heating rotary member to a target temperature, a cleaning web removing toner adhering to the heating rotary member, and a controller selectively executing one of a cleaning mode and a non-cleaning mode. A first basis weight and a second basis weight greater than the first predetermined basis weight are set, in a job that mixedly uses recording media with the first and second basis weights. When the controller executes the non-cleaning mode, the temperature adjustment control section sets a target temperature of a recording medium with a basis weight less than or equal to the first basis weight to a temperature lower than a target temperature of the recording medium in the cleaning mode.

15. 发明授权

US11300906B2 Fixing device 有权
公开(公告)号：US11300906B2
公开(公告)日：2022-04-12
申请号：US17123773
申请日：2020-12-16
申请人： Canon Kabushiki Kaisha
发明人： Rikiya Takemasa , Hidekazu Tatezawa , Yutaro Tsuno , Kenichi Tanaka , Youichi Chikugo , Mitsuru Hasegawa , Hiroki Kawai , Suguru Takeuchi , Ayano Ogata , Yasuharu Toratani
IPC分类号： G03G15/20
摘要： A fixing device for fixing a toner image on a sheet includes a rotatable fixing belt; a heating roller wherein the belt is stretched and entrained around the heating roller to heat the belt; a pressing pad of resin material provided inside of the belt; a rotatable pressing member contacting an outer peripheral surface of the belt and pressing against the pad through the belt to form a nip configured to nip and feed the sheet; a supporting metal stay supporting the pad and including a planar bottom surface faced to the pad; and projected portions integrally molded with the pad and provided along a widthwise direction of the pad, the projected portions projecting and contacting to the bottom surface such that the pad is supported by the stay. A contact area between the projected portions and the bottom surface is not less than 5% and not more than 40% of the area of the bottom surface.

16. 发明申请

US20210373470A1 IMAGE HEATING APPARATUS 有权
公开(公告)号：US20210373470A1
公开(公告)日：2021-12-02
申请号：US17323356
申请日：2021-05-18
申请人： Canon Kabushiki Kaisha
发明人： Takeshi Kozuma , Youichi Chikugo , Hidekazu Tatezawa , Yutaro Tsuno , Rikiya Takemasa
IPC分类号： G03G15/20
摘要： An image heating apparatus includes a heating roller, and, a heater unit, The heater unit is provided on an inner side of the heating roller. The heater unit includes a first halogen heater, a second halogen heater, and, a pair of holders. The pair of holders holds the first halogen heater and the second halogen heater such that the pair of holders, the first halogen heater and the second halogen heater are integrally inserted to and extracted from the heating roller.

17. 发明申请

US20210356888A1 IMAGE HEATING APPARATUS AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210356888A1
公开(公告)日：2021-11-18
申请号：US17240015
申请日：2021-04-26
申请人： Canon Kabushiki Kaisha
发明人： Youichi Chikugo , Rikiya Takemasa , Hidekazu Tatezawa , Takeshi Kozuma , Yutaro Tsuno
IPC分类号： G03G15/20
摘要： An image heating apparatus includes a first rotary member, a second rotary member, a frame member, a guide portion, and a cover. The first rotary member is configured to heat a toner image formed on a recording material. The second rotary member is configured to contact the first rotary member and form a fixing nip portion with the first rotary member. The frame member is configured to support the first rotary member and the second rotary member. The guide portion is configured to guide the first rotary member to be moved upstream in a conveyance direction of the recording material when the first rotary member is being removed. The cover is attached to the frame member and configured to turn around a rotation shaft to open and close the guide portion. The cover is configured to turn in a direction toward the conveyance direction to open the guide portion.

18. 发明授权

US11092917B2 Fixing unit 有权
公开(公告)号：US11092917B2
公开(公告)日：2021-08-17
申请号：US16744701
申请日：2020-01-16
申请人： CANON KABUSHIKI KAISHA
发明人： Yutaro Tsuno , Youichi Chikugo , Rikiya Takemasa , Kenichi Tanaka , Hidekazu Tatezawa
IPC分类号： G03G15/20
摘要： A fixing unit includes an endless fixing belt, a rotary member configured to form a fixing nip portion, a resin-made pad configured to press an inner circumferential surface of the fixing belt by a peripheral surface toward the fixing nip portion, and a stay configured to support the pad. The stay includes a projection configured to protrude toward the pad. The pad includes a hole formed at a center in the width direction on the opposite surface and configured to fit with the projection.

19. 发明申请

US20210072699A1 COOLING DEVICE AND IMAGE FORMING SYSTEM 有权
公开(公告)号：US20210072699A1
公开(公告)日：2021-03-11
申请号：US16951315
申请日：2020-11-18
申请人： Canon Kabushiki Kaisha
发明人： Yuki Inoue , Atsushi Yoshida , Kazunari Hatazaki , Youichi Chikugo , Noriaki Koyanagi
IPC分类号： G03G21/20 , G03G15/20
摘要： An external cooling device 101 is connectable to an image forming apparatus 100. The external cooling device 101 improves cooling power of a recording material S after toner image fixation. In this case, even when a heating amount of the fixing device 11 is increased, a temperature of the recording material S stacked on a stacking unit 60 can be lowered to not more than a predetermined temperature at which sticking does not occur. Further, the number of sheets stackable on said stacking unit 60 can be increased. By this, a user is capable of adjusting glossiness without concern for the sticking of the recording materials S on the stacking unit 60. Further, the user is not required to frequently carry out the recording material S of the stacking unit 60. That is, it is possible to provide an image forming system 1X capable of flexibly meeting the recording materials S of various kinds.

20. 发明申请

US20200233354A1 FIXING UNIT, IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM 审中-公开
公开(公告)号：US20200233354A1
公开(公告)日：2020-07-23
申请号：US16748126
申请日：2020-01-21
申请人： CANON KABUSHIKI KAISHA
发明人： Hidekazu Tatezawa , Youichi Chikugo , Rikiya Takemasa , Kenichi Tanaka , Yutaro Tsuno
IPC分类号： G03G15/20
摘要： A fixing unit includes a casing, a heating unit, a second rotary member, a first guide portion, a separation unit, and a separation unit movement mechanism. The separation unit has a separation member and movable relative to the casing between a first position at which the separation unit is positioned when the heating unit is positioned at a position to form a fixing nip portion, and a second position at which the separation unit is positioned when the heating unit is retracted from the position to form the fixing nip portion. The separation unit movement mechanism is configured to move the separation unit from the second position to the first position with the heating unit mounting to the position to form the fixing nip portion.

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