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公开(公告)号：US11760587B2
公开(公告)日：2023-09-19
申请号：US17097972
申请日：2020-11-13
发明人： Yasuhiko Fuse , Shoichi Zensai , Takehito Osada
IPC分类号： B65H1/26
CPC分类号： B65H1/266 , B65H2402/51 , B65H2405/1122 , B65H2405/121 , B65H2511/11 , B65H2511/22 , B65H2511/11 , B65H2220/01 , B65H2511/22 , B65H2220/04
摘要： To enable placement of a regulating member which regulates a position of an end of a paper sheet at a desired position, and stable sheet feeding. A fixing member for standard size is guided to engage with a fixing hole for standard size and, in a state where the fixing member for standard size positions a trailing end regulator, a fixing member for non-standard size does not engage with a rack gear.
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公开(公告)号：US20190300306A1
公开(公告)日：2019-10-03
申请号：US16447834
申请日：2019-06-20
发明人： Yasuhiko Fuse , Shoichi Zensai , Takehito Osada
IPC分类号： B65H1/26
摘要： To enable placement of a regulating member which regulates a position of an end of a paper sheet at a desired position, and stable sheet feeding. A fixing member for standard size is guided to engage with a fixing hole for standard size and, in a state where the fixing member for standard size positions a trailing end regulator, a fixing member for non-standard size does not engage with a rack gear.
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公开(公告)号：US10261463B2
公开(公告)日：2019-04-16
申请号：US16005462
申请日：2018-06-11
发明人： Tomofumi Kawamura , Shoichi Zensai , Takashi Yano
摘要： An image forming apparatus includes a mounting unit configured to mount a cartridge including a developing member by moving the cartridge in the insertion direction, and a pressing member having a first pressing portion configured to press the cartridge mounted on the mounting unit to separate the developing member from a photosensitive member. The pressing member has a second pressing portion configured to press the cartridge mounted on the mounting unit to bring the developing member into contact with the photosensitive member, and the first pressing portion and the second pressing portion integrally moves with the movement of the pressing member. The image forming apparatus also includes an elastic member configured to press the pressing member so that the second pressing portion presses the cartridge.
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公开(公告)号：US20180292781A1
公开(公告)日：2018-10-11
申请号：US16005462
申请日：2018-06-11
发明人： Tomofumi Kawamura , Shoichi Zensai , Takashi Yano
CPC分类号： G03G21/1647 , G03G21/1633 , G03G21/1676 , G03G21/1842 , G03G21/185 , G03G2215/0132 , G03G2221/1684
摘要： An image forming apparatus includes a mounting unit configured to mount a cartridge including a developing member by moving the cartridge in the insertion direction, and a pressing member having a first pressing portion configured to press the cartridge mounted on the mounting unit to separate the developing member from a photosensitive member. The pressing member has a second pressing portion configured to press the cartridge mounted on the mounting unit to bring the developing member into contact with the photosensitive member, and the first pressing portion and the second pressing portion integrally moves with the movement of the pressing member. The image forming apparatus also includes an elastic member configured to press the pressing member so that the second pressing portion presses the cartridge.
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公开(公告)号：US10671008B2
公开(公告)日：2020-06-02
申请号：US16122547
申请日：2018-09-05
发明人： Shoichi Zensai , Takamichi Matsuo
摘要： A drive transmitting member including: a gear portion that is formed of a first resin and has gear teeth; and a flange portion that is formed of a second resin, in which the flange portion includes a shaft portion that transmits driving force from the gear teeth to a drive transmitted member, and a rotation stopper (i) that stops rotation of the gear portion with respect to the flange portion at an outer periphery of the flange portion and (ii) that is larger than an external form of the shaft portion, so that the shaft portion and the rotation stopper are integrally molded in the flange portion, and the gear portion has a shape that covers the rotation stopper and is not overlapped with the shaft portion as viewed in an axial direction of the shaft portion.
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6.发明授权公开(公告)号：US10423119B2
公开(公告)日：2019-09-24
申请号：US16058835
申请日：2018-08-08
发明人： Tomofumi Kawamura , Shoichi Zensai , Takashi Yano
摘要： An image forming apparatus includes a mounting unit configured to mount a development unit including a developing member, a pressing member configured to press the development unit mounted on the mounting unit to separate the developing member from a photosensitive member or bring the developing member into contact with the photosensitive member, and an urging member configured to urge the pressing member, wherein, when mounting the development unit on the mounting unit, the development unit moves in a first direction from the pressing member toward the development unit, parallel to a direction in which the pressing member and the development unit are arranged side by side, wherein the pressing member is movable in the first direction, and wherein the urging member urges the pressing member to move the pressing member in the first direction.
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公开(公告)号：US20190094796A1
公开(公告)日：2019-03-28
申请号：US16140126
申请日：2018-09-24
摘要： An image forming apparatus including a cartridge including a rotating member, the cartridge including a driving force receiving member, and an apparatus main body to which the cartridge is detachably attachable. The apparatus main body including a driving force transmitting member, an output member, and a biasing member disposed between the output member and the driving force transmitting member, wherein when the cartridge is detached from the apparatus main body and an engagement between the driving force transmitting member and the driving force receiving member is released, the driving force transmitting member is rotated relative to the output member in the predetermined rotation direction by biasing force of the biasing member.
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公开(公告)号：US10093497B2
公开(公告)日：2018-10-09
申请号：US14727571
申请日：2015-06-01
发明人： Shoichi Zensai
摘要： A pickup roller is moved to a retracted position by rotating a feeding motor in reverse by a first predetermined amount and is moved to a contact position by rotating the feeding motor forward by a second predetermined amount.
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公开(公告)号：US20180120763A1
公开(公告)日：2018-05-03
申请号：US15794284
申请日：2017-10-26
发明人： Hiroki Takano , Tomofumi Kawamura , Shoichi Zensai
CPC分类号： G03G21/1842 , G03G15/0865 , G03G21/1633 , G03G21/1821 , G03G2221/1654 , G03G2221/1853
摘要： An apparatus includes an opening/closing member that opens/closes space which is provided in an apparatus body and in which a first unit and a second unit are accommodated; a first guide portion that guides the first unit in the space; a second guide portion that guides the second unit in the space; and a slope member that is capable of guiding the first unit to the first guide portion provided at a position higher than a position of the second guide portion in a height direction orthogonal to an inserting/extracting direction of the space when the opening/closing member is put in an open position, the slope member being coupled between the apparatus body and the opening/closing member so as to be positioned in the space when the opening/closing member is put in a closed position to close the space.
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公开(公告)号：US20170261920A1
公开(公告)日：2017-09-14
申请号：US15453570
申请日：2017-03-08
发明人： Tomofumi Kawamura , Shoichi Zensai , Takashi Yano
IPC分类号： G03G15/04
CPC分类号： G03G21/1647 , G03G21/1633 , G03G21/1676 , G03G21/1842 , G03G21/185 , G03G2215/0132 , G03G2221/1684
摘要： An image forming apparatus includes a mounting unit configured to mount a cartridge including a developing member by moving the cartridge in the insertion direction, and a pressing member having a first pressing portion configured to press the cartridge mounted on the mounting unit to separate the developing member from a photosensitive member. The pressing member has a second pressing portion configured to press the cartridge mounted on the mounting unit to bring the developing member into contact with the photosensitive member, and the first pressing portion and the second pressing portion integrally moves with the movement of the pressing member. The image forming apparatus also includes an elastic member configured to press the pressing member so that the second pressing portion presses the cartridge.
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