专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20200310280A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200310280A1
公开(公告)日：2020-10-01
申请号：US16582422
申请日：2019-09-25
申请人： FUJI XEROX CO., LTD.
发明人： Yoshitaka NAKAJIMA , Tomoyuki Yoshii , Norihiro Tamazawa , Yoshifumi Ozaki , Masanori Kato , Shinichi Kuramoto
IPC分类号： G03G15/08
摘要： A developing device includes a developer carrier on which an attraction region is set, the attraction region being a region that attracts developer including toner and a carrier, and that carries, in the attraction region, the developer that is to be supplied to an image carrier on which an electrostatic latent image is formed; a regulation member that regulates the developer so that a predetermined amount of the developer is carried by the developer carrier; and a forming unit that is located upstream of the regulation member and that forms, in the attraction region, a first region that restricts a flow of developer supplied to the developer carrier and a second region that is located between the first region and the regulation member and that does not restrict a flow of the developer compared with the first region.

2. 发明授权

US10739699B1 Developing device having a delivery unit to transport collected developer and image forming apparatus having the same 有权
公开(公告)号：US10739699B1
公开(公告)日：2020-08-11
申请号：US16533107
申请日：2019-08-06
申请人： FUJI XEROX CO., LTD.
发明人： Masanori Kato , Shinichi Kuramoto , Yoshifumi Ozaki , Tomoyuki Yoshii , Yoshitaka Nakajima , Norihiro Tamazawa
IPC分类号： G03G15/08
摘要： A developing device includes a developer carrier that carries a developer to be supplied to an image carrier that forms an electrostatic latent image, a supply unit that supplies the developer containing toner and a carrier to the developer carrier by transporting the developer while agitating the developer along a circulation path formed through rotation of each of plural rotary members, and a delivery unit that receives a collected developer, which is the developer collected from the developer carrier, transports the collected developer by another rotary member different from the plural rotary members of the supply unit, and delivers the collected developer to the circulation path of the supply unit.

3. 发明授权

US10591843B2 Image forming apparatus and developing device 有权
公开(公告)号：US10591843B2
公开(公告)日：2020-03-17
申请号：US15940983
申请日：2018-03-30
申请人： FUJI XEROX CO.,LTD.
发明人： Kenta Urayama , Masanori Kato , Tomoyuki Yoshii , Fumiyuki Honda , Shiho Matsuda , Yoshitaka Nakajima , Junichi Uchiyama , Norihiro Tamazawa , Yoshifumi Ozaki
IPC分类号： G03G15/08
摘要： An image forming apparatus includes an image carrier that holds an image, a developer carrier that holds a developer to be supplied to the image carrier, a transport member that transports the developer in an axial direction of the developer carrier, and a restraint member that restrains the developer, which has scattered as a result of being transported by the transport member, from moving toward the developer carrier.

4. 发明授权

US10908528B2 Developing device and image forming apparatus 有权
公开(公告)号：US10908528B2
公开(公告)日：2021-02-02
申请号：US16582422
申请日：2019-09-25
申请人： FUJI XEROX CO., LTD.
发明人： Yoshitaka Nakajima , Tomoyuki Yoshii , Norihiro Tamazawa , Yoshifumi Ozaki , Masanori Kato , Shinichi Kuramoto
IPC分类号： G03G15/08
摘要： A developing device includes a developer carrier on which an attraction region is set, the attraction region being a region that attracts developer including toner and a carrier, and that carries, in the attraction region, the developer that is to be supplied to an image carrier on which an electrostatic latent image is formed; a regulation member that regulates the developer so that a predetermined amount of the developer is carried by the developer carrier; and a forming unit that is located upstream of the regulation member and that forms, in the attraction region, a first region that restricts a flow of developer supplied to the developer carrier and a second region that is located between the first region and the regulation member and that does not restrict a flow of the developer compared with the first region.

5. 发明授权

US09213269B2 Developing device and image forming apparatus 有权
标题翻译：显影装置和图像形成装置
公开(公告)号：US09213269B2
公开(公告)日：2015-12-15
申请号：US13752851
申请日：2013-01-29
申请人： FUJI XEROX CO., LTD.
发明人： Masanori Kato , Nobumasa Furuya , Jun Abe , Sakae Yoshioka
IPC分类号： G03G15/09 , G03G15/08
CPC分类号： G03G15/0928 , G03G15/0818 , G03G2215/0648
摘要： There is provided a developing device including a first developing roller that is disposed to be rotatable with a desired distance set between the first developing roller and an outer circumferential surface of a rotatable latent image holding member, transports a developer onto an outer circumferential surface thereof while holding the developer by magnetic force, and has a substantially cylindrical shape, and a second developing roller that is disposed to be rotatable with desired distances set between the second developing roller and the respective outer circumferential surfaces of the corresponding latent image holding member and the corresponding first developing roller at a position on the downstream side of the first developing roller in a rotation direction of the latent image holding member, transports the developer onto an outer circumferential surface thereof while holding the developer by magnetic force, and has a substantially cylindrical shape.
摘要翻译：提供了一种显影装置，其包括：第一显影辊，其设置成可旋转的，所述第一显影辊在第一显影辊和可旋转潜像保持部件的外周表面之间具有期望的距离，并将显影剂输送到其外周表面上，同时通过磁力保持显影剂，并且具有大致圆筒形状;以及第二显影辊，其设置成可旋转，以期望的距离设置在第二显影辊和相应的潜像保持部件的相应外周面之间，第一显影辊在潜像保持部件的旋转方向上位于第一显影辊的下游侧的位置，将显影剂输送到外周面，同时用磁力保持显影剂，并且具有大致圆筒形状。

6. 发明授权

US10613454B1 Developing device and image forming apparatus with exhaust port for discharging air 有权
公开(公告)号：US10613454B1
公开(公告)日：2020-04-07
申请号：US16285237
申请日：2019-02-26
申请人： FUJI XEROX CO., LTD.
发明人： Ayumi Noguchi , Shinichi Kuramoto , Norihiro Tamazawa , Yoshitaka Nakajima , Tomoyuki Yoshii , Masanori Kato , Ryota Tomishi
IPC分类号： G03G15/08 , G03G21/20
CPC分类号： G03G15/0896 , G03G21/206 , G03G2221/1645
摘要： A developing device includes: a container for accommodating developer, the container having an exhaust port; and a merging section where airflows directed from the interior of the container to the exhaust port join together.

7. 发明授权

US09829826B2 Developing device and image forming apparatus 有权
公开(公告)号：US09829826B2
公开(公告)日：2017-11-28
申请号：US14918922
申请日：2015-10-21
申请人： FUJI XEROX CO., LTD.
发明人： Masanori Kato , Yoshinori Tanaka , Tomio Ohnuki
IPC分类号： G03G15/08
CPC分类号： G03G15/0812 , G03G2215/0129
摘要： A developing device includes a housing that includes an accommodating chamber, a development opening, and a discharge opening, part of developer that is accommodated in the accommodating chamber overflowing into and being discharged from the discharge opening; a developing roller that holds and transports the developer that is supplied from the accommodating chamber; a transporting member that transports the developer in the accommodating chamber so as to supply the developer to the developing roller while stirring the developer; a regulating member that regulates a thickness of a layer of the developer that is held by the developing roller by holding back part of the developer; and a ventilation path portion that is provided so as to extend through the regulating member, the ventilation path portion being connected to a gap space that exists in a range extending to the development opening from where the developing roller passes the regulating member.

8. 发明授权

US10996588B1 Powder transport apparatus 有权
公开(公告)号：US10996588B1
公开(公告)日：2021-05-04
申请号：US16897369
申请日：2020-06-10
申请人： FUJI XEROX CO., LTD.
发明人： Masanori Kato , Shinichi Kuramoto , Yoshifumi Ozaki , Tomoyuki Yoshii , Yoshitaka Nakajima , Norihiro Tamazawa , Shigemi Murata , Takashi Ochi
IPC分类号： G03G15/08
摘要： A powder transport apparatus includes a first transport path disposed in the first transport path, a second transport path connected to the first transport path through a first connection port and a junction port, a third transport path connected to the second transport path through a second connection port, a second transport member that is disposed in the second transport path and includes a first shaft provided with a first spiral blade that transports powder toward the first connection port, a second spiral blade that is provided in a portion of the first shaft between the first connection port and the junction port and that has a transport force smaller than a transport force of the first spiral blade in the one direction, and a third transport member disposed in the third transport path. The third transport member transports the powder toward the second connection port.

9. 发明授权

US10331059B2 Developing device and image forming apparatus having a toner concentration detector and a retaining member that retains the developer in the toner concentration detecting region 有权
公开(公告)号：US10331059B2
公开(公告)日：2019-06-25
申请号：US15251870
申请日：2016-08-30
申请人： FUJI XEROX CO., LTD.
发明人： Masanori Kato , Tomio Ohnuki
IPC分类号： G03G15/08
摘要： A developing device includes a developer holding member that holds a developer, a supplying member that supplies the developer to the developer holding member, a transport member that transports the developer while passing the developer onto the supplying member through a passing member, the transport member including a discharge unit that discharges excess developer and that is provided downstream of the passing member in a transport direction, a detecting unit that is provided upstream of the discharge unit in the transport direction and that detects a toner concentration, and a retaining member that includes a non-application portion that prevents action of a force for transporting the developer radially outward and that retains the developer in a region corresponding to the detecting unit of the transport member.

10. 发明授权

US09459558B1 Developing device and image forming apparatus 有权
标题翻译：显影装置和图像形成装置
公开(公告)号：US09459558B1
公开(公告)日：2016-10-04
申请号：US14873442
申请日：2015-10-02
申请人： FUJI XEROX CO., LTD.
发明人： Tomio Onuki , Masanori Kato , Yoshinori Tanaka
IPC分类号： G03G15/08
CPC分类号： G03G15/0891 , G03G15/0893
摘要： Provided is a developing device including a container that accommodates a developer, a developer holding member that develops the electrostatic latent image on the image holding member by delivering the developer to a position facing the image holding member, while rotating, a first transport member that extends in a direction of a rotary shaft of the developer holding member, and that transports the developer inside the container in a first direction, and a pushing-back member that pushes back the developer transported in the first direction by the first transport member in a direction opposite to the first direction, and that allows an amount of the developer beyond pushing-back capacity within the developer transported in the first direction, to exit from the container, wherein the container includes a control wall that controls passage of the developer.
摘要翻译：提供一种显影装置，包括容纳显影剂的容器，显影剂保持部件，其通过将显影剂输送到面向图像保持部件的位置，同时旋转而在图像保持部件上显影静电潜像;第一传送部件，其延伸在显影剂保持构件的旋转轴的方向上，并且沿着第一方向输送容器内的显影剂;以及推回构件，其将由第一输送构件沿第一方向传送的显影剂朝向第一方向与第一方向相反，并且允许一定量的显影剂超过在第一方向上输送的显影剂中的推回能力，从容器中排出，其中容器包括控制显影剂通过的控制壁。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式