公开(公告)号：JP2013015691A

公开(公告)日：2013-01-24

申请号：JP2011148748

申请日：2011-07-05

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KITAGAWA SATORU

IPC: G03G15/08

Abstract: PROBLEM TO BE SOLVED: To provide a developing device that includes a developing roller that carries toner on the surface thereof and rotates and a regulating member that comes into pressure-contact with the developing roller to regulate layer thickness of the toner, is less likely to have concaves and convexes formed on the surface of the regulating member that contacts the developing roller, prevents a local decrease in layer thickness of the toner or passing of the toner, and forms a uniform toner layer, as well as an image forming apparatus including the developing device.SOLUTION: A rod-like member is provided, which brings a regulating member into pressure-contact with a developing roller; and the rod-like member is moved on the regulating member in the rotation direction of the developing roller or in the reverse direction.

Abstract translation: 要解决的问题：提供一种显影装置，其包括在其表面上承载调色剂并旋转的显影辊和与显影辊压力接触的调节构件以调节调色剂的层厚度，是 在与显影辊接触的调节件的表面上形成的凹凸不太可能，防止调色剂的层厚度的局部减小或调色剂的通过，并形成均匀的调色剂层，以及成像 装置包括显影装置。 解决方案：提供一种棒状构件，其使调节构件与显影辊压力接触; 并且杆状构件在调节构件上沿显影辊的旋转方向或相反方向移动。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013186175A

公开(公告)日：2013-09-19

申请号：JP2012049178

申请日：2012-03-06

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KITAGAWA SATORU

IPC: G03G15/08

Abstract: PROBLEM TO BE SOLVED: To make a layer thickness of toner carried by a developing roller constant by stabilizing an abutting pressure between the developing roller and a regulating member.SOLUTION: There is provided a developing device which comprises, a developing tank for storing toner; a developing roller which carries the toner stored in the developing tank and supplies the toner to a photoreceptor drum; and a regulating member which comes into contact with the surface and regulates a layer thickness of the toner carried by the developing roller, wherein the regulating member is composed of a flexible sheet which is brought into contact with the surface of the developing roller and a sheet holding member for movably storing the flexible sheet, the flexible sheet is a rectangular elastic member, the sheet holding member has a recess and holds the flexible sheet in a U-shaped curve so that the two long sides of the flexible sheet are brought into contact with a side face and a bottom face of the recess, and the curved top part of the flexible sheet is brought into contact with the surface of the developing roller.

Abstract translation: 要解决的问题：通过稳定显影辊和调节构件之间的邻接压力，使由显影辊承载的调色剂的层厚度恒定。解决方案：提供了一种显影装置，包括：用于存储调色剂的显影槽; 显影辊，其携带存储在显影槽中的调色剂并将调色剂供应到感光鼓; 以及调节构件，其与表面接触并调节由显影辊承载的调色剂的层厚度，其中调节构件由与显影辊的表面接触的柔性片和片 用于可移动地存放柔性片的保持构件，柔性片是矩形弹性构件，片材保持构件具有凹部并将柔性片保持为U形曲线，使得柔性片的两个长边接触 其中凹部的侧面和底面，柔性片的弯曲顶部与显影辊的表面接触。

公开(公告)号：JP2014215353A

公开(公告)日：2014-11-17

申请号：JP2013090461

申请日：2013-04-23

Applicant: シャープ株式会社 ,  Sharp Corp

Inventor： KITAGAWA SATORU ,  KAGAWA TOSHIAKI

IPC: G03G15/20

CPC classification number: G03G15/20

Abstract: 【課題】エネルギーロスを低減することができる定着装置およびそれを備えた画像形成装置を提供すること。【解決手段】加熱される定着ローラと、前記定着ローラとニップ部を形成するように前記定着ローラと対向する位置に配置された加圧ローラと、少なくとも前記定着ローラの周囲に配置された蓄熱壁とを備え、未定着トナー像を有する記録用紙が、加熱された前記定着ローラと前記加圧ローラとの間の前記ニップ部に搬送されることにより、未定着トナー像を記録用紙に定着させるよう構成され、前記蓄熱壁は、前記定着ローラから放出された熱を蓄熱可能であると共に、前記定着ローラに向けて放熱可能に構成されたことを特徴とする定着装置。【選択図】図2

Abstract translation: 要解决的问题：提供减少能量损失的定影装置和包括该定影装置的图像形成装置。解决方案：一种定影装置，包括被加热的定影辊，布置在面向定影辊的位置的加压辊，以便 与定影辊形成压区部分，以及至少布置在定影辊周围的蓄热壁。 具有未定影调色剂图像的记录片材被传送到加热的定影辊和加压辊之间的辊隙部分，以将未定影的调色剂图像定影到记录片材。 蓄热墙存储从定影辊发出的热量，并向定影辊照射热量。

公开(公告)号：JP2013238699A

公开(公告)日：2013-11-28

申请号：JP2012110870

申请日：2012-05-14

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KITAGAWA SATORU

IPC: G03G15/08

Abstract: PROBLEM TO BE SOLVED: To reduce the size of a development device while keeping agitating performance of a developer even when the number of agitation members are set as two, which is the necessary minimum number.SOLUTION: In a developing tank 71, a development roller 70 that carries a developer to rotate, a supply roller 72 for supplying the development roller 70 with the developer while rotating, two agitation members 74,75 for agitating the developer in the developing tank 71 are provided. In an agitation area R surrounded by a plane P1 passing through the rotation axis of the development roller 70 and a plane P2 parallel to the plane P1 and passing through the rotation axis of the supply roller 72, the two agitation members 74,75 are disposed. The rotation direction of the supply roller 72 and the rotation direction of the agitation members 74,75 are the same.

Abstract translation: 要解决的问题：为了减少显影装置的尺寸，同时保持搅拌构件的数量，即使将搅拌构件的数量设定为两个，这是所需的最小数量。解决方案：在显影槽71中，显影辊 提供显影剂旋转的供给辊72，用于在显影辊70旋转的同时向显影辊70供应显影辊70的两个搅拌构件74,7​​5，用于搅拌显影槽71中的显影剂。 在由穿过显影辊70的旋转轴线的平面P1包围的搅拌区域R和平行于平面P1的平面P2并通过供给辊72的旋转轴线的两个搅拌部件74,7​​5 。 供给辊72的旋转方向与搅拌部件74,7​​5的旋转方向相同。

公开(公告)号：JP2013092705A

公开(公告)日：2013-05-16

申请号：JP2011235587

申请日：2011-10-27

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： KITAGAWA SATORU

IPC: G03G15/08

CPC classification number: G03G15/0194 ,  G03G15/0812 ,  G03G2215/0141

Abstract: PROBLEM TO BE SOLVED: To provide a developing device configured to prevent deformation of a contact part of a toner layer regulation member, to achieve a stable contact pressure, while alleviating the stress on the toner, and to provide an image forming device using the developing device.SOLUTION: The developing device 1 includes a developing roller 3 for supplying toner to a photoreceptor 51, and a toner layer regulation member 9 for regulating the layer thickness of the toner carried on the surface of the developing roller 3. The toner layer thickness regulation member 9 includes a flexible sheet 7 in contact with the developing roller 3 and a sheet holding member 8 for holding the flexible sheet 7. The flexible sheet 7 is formed to be long along the axial direction of the developing roller 3. Plural flexible sheets 7 are arranged along a circumferential direction of the developing roller 3, each having one free end formed along the axial direction of the developing roller 3 and facing the developing roller 3, and the other fixed end, to be held by the sheet holding member 8. The sheet holding member 8 includes a recess for holding the flexible sheet 7 so as to be displaceable.

Abstract translation: 要解决的问题：提供一种显影装置，其被配置为防止调色剂层调节部件的接触部分的变形，以实现稳定的接触压力，同时减轻对调色剂的应力，并提供图像形成装置 使用显影装置。 解决方案：显影装置1包括用于向感光体51供应调色剂的显影辊3和用于调节承载在显影辊3的表面上的调色剂的层厚度的调色剂层调节部件9.调色剂层 厚度调节构件9包括与显影辊3接触的柔性片7和用于保持柔性片7的片材保持构件8.柔性片7形成为沿着显影辊3的轴向长。多个柔性 片材7沿着显影辊3的圆周方向布置，每个具有沿着显影辊3的轴向形成并面向显影辊3的一个自由端，另一个固定端由片材保持构件 片材保持构件8包括用于保持柔性片材7以便可移动的凹部。 版权所有（C）2013，JPO＆INPIT