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1. 发明专利

JP2011112674A Image forming apparatus and toner supply method 有权
标题翻译：图像形成装置和调色剂供应方法
公开(公告)号：JP2011112674A
公开(公告)日：2011-06-09
申请号：JP2009266057
申请日：2009-11-24
申请人： Sharp Corp , シャープ株式会社
发明人： HIGAMI KAZUMA , ITOYAMA MOTOYUKI , NARIMATSU MASAYASU , TAKENOUCHI KOICHI , NISHIMITSU EIJI , OKAWA TAKESHI , MORIMOTO KIYOFUMI , MINAMIKAWA TOMOKI , TOKUYAMA MITSURU
IPC分类号： G03G15/08
CPC分类号： G03G15/556 , G03G15/0868 , G03G15/0875 , G03G15/0879 , G03G2215/066
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus and a toner supply method by which an appropriate correction is performed in accordance with a variation in toner supply amount in individual toner cartridges even when the toner cartridge in operation of supplying the toner to a developing device is replaced in the midst of the operation, so that the toner supply amount can be stabilized. SOLUTION: The image forming apparatus 100 includes: the developing device 2 including the toner supply amount sensor 119; a toner supply device 22 configured to supply the toner to the developing device 2; a toner supply control means configured to control the toner supply from the toner supply device 22 to the developing device 2 based on predetermined conditions; and a toner-empty detecting means configured to determine the presence of the toner in the toner supply device 22. In the image forming apparatus 100, the toner supply device 22 includes a storage means 120 configured to store toner supply amount information detected by the toner supply amount sensor 119, and the toner supply amount control means is configured to correct the toner supply amount based on the toner supply amount information. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种图像形成装置和调色剂供应方法，通过该图像形成装置和调色剂供应方法，即使当调色剂盒在供给调色剂的操作中时，根据各个调色剂盒中的调色剂供给量的变化进行适当的校正在操作中更换到显影装置，使得调色剂供给量可以稳定。图像形成装置100包括：包括调色剂供给量传感器119的显影装置2; 配置成将调色剂供给到显影装置2的调色剂供应装置22; 调色剂供应控制装置，被配置为基于预定条件控制从调色剂供应装置22到显影装置2的调色剂供应; 以及配置成确定调色剂供给装置22中的调色剂的存在的调色剂空的检测装置。在图像形成装置100中，调色剂供应装置22包括存储装置120，其被配置为存储由调色剂检测到的调色剂供给量信息供给量传感器119和调色剂供应量控制装置被配置为基于调色剂供应量信息来校正调色剂供给量。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2011090125A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011090125A
公开(公告)日：2011-05-06
申请号：JP2009243025
申请日：2009-10-22
申请人： Sharp Corp , シャープ株式会社
发明人： NISHIMITSU EIJI , HIGAMI KAZUMA , MINAMIKAWA TOMOKI , TAKENOUCHI KOICHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of stabilizing toner concentration by appropriately supplying the toner. SOLUTION: The image forming apparatus 100 includes a developing device 2, including a developing tank 111, first and second conveying members 112 and 113 for performing circulative conveyance of a developer, a developing roller 114 and a toner supply port 115a; a toner supply device 22 for supplying the toner to the developing device 2; a toner supply detecting sensor 119 for detecting whether the toner is supplied; and a toner concentration control means for instructing to supply the toner, when the toner concentration inside the developing device 2 becomes less than a predetermined value. The image forming apparatus also includes a toner supply amount changing means 130, which is configured, when the detection value obtained by the toner supply detection sensor 119 is not changed by a normal amount after supplying the predetermined amount of toner to the developing device 2, to change the toner supply amount, according to the variation of the detection value of the toner supply detection sensor 119. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够通过适当地供应调色剂来稳定调色剂浓度的图像形成装置。图像形成装置100包括显影装置2，包括显影槽111，用于进行显影剂循环传送的第一和第二输送构件112和113，显影辊114和调色剂供给口115a; 用于将调色剂供给到显影装置2的调色剂供应装置22; 用于检测是否供应调色剂的调色剂供应检测传感器119; 以及当显影装置2内的调色剂浓度变得小于预定值时，指示供应调色剂的调色剂浓度控制装置。图像形成装置还包括调色剂供给量改变装置130，其在将调色剂供应检测传感器119获得的检测值在向显影装置2供应预定量的调色剂之后不改变正常量时，根据调色剂供给检测传感器119的检测值的变化来改变调色剂供应量。（C）2011年，JPO和INPIT

3. 发明专利

JP2011002771A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011002771A
公开(公告)日：2011-01-06
申请号：JP2009147723
申请日：2009-06-22
申请人： Sharp Corp , シャープ株式会社
发明人： HIGAMI KAZUMA , TOKUYAMA MITSURU , TAKENOUCHI KOICHI , NAOI HIROO , ITOYAMA MOTOYUKI
IPC分类号： G03G15/08 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus immediately detecting exhaustion of toner to be supplied to a developing device, and preventing carrier from being deposited on a photoreceptor due to a reduction in toner concentration.SOLUTION: The image forming apparatus 100 includes: a developing device 2 including a developing tank 111, first and second conveying members 112 and 113, a developing roller 114 and a toner replenishing port 115a for guiding the replenished toner into the developing tank 111; a toner replenishing device 22 for replenishing the toner to the developing device 2; a toner replenishment detecting sensor 119 for detecting the toner replenishment into the developing tank 111; a toner concentration control means for giving an instruction to replenish the toner when the toner concentration becomes less than a predetermined value; and a toner-exhaustion detecting means for determining the toner exhaustion in the toner replenishing device 22. The toner replenishment detecting sensor 119 is disposed in the vicinity of the toner replenishing port 115a.
摘要翻译：要解决的问题：提供一种图像形成装置，其立即检测供给显影装置的调色剂的耗尽，并且防止由于调色剂浓度降低而使载体沉积在感光体上。解决方案：图像形成装置100包括：显影装置2包括显影槽111，第一和第二输送构件112和113，显影辊114和用于将补充调色剂引导到显影槽111中的调色剂补充口115a; 用于将调色剂补充到显影装置2的调色剂补充装置22; 用于检测调色剂补充到显影槽111中的调色剂补充检测传感器119; 调色剂浓度控制装置，用于当调色剂浓度小于预定值时给出补充调色剂的指示; 以及用于确定调色剂补充装置22中的调色剂耗尽的调色剂排出检测装置。调色剂补充检测传感器119设置在调色剂补充口115a附近。

4. 发明专利

JP2010231026A Developing device and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2010231026A
公开(公告)日：2010-10-14
申请号：JP2009079089
申请日：2009-03-27
申请人： Sharp Corp , シャープ株式会社
发明人： TAKENOUCHI KOICHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device in which the ability to circulate and convey developer along two conveyance paths is improved and stress on the developer is reduced. SOLUTION: The developing device includes: a developing tank for storing the developer; a partition plate disposed in the developing tank; the first and second conveyance paths defined by the partition plate, disposed parallel to each other, and used for conveying the developer; first and second conveying members disposed in the first and second conveyance paths, rotated in directions opposite to each other, thereby agitating toner supplied from the upstream side of the first conveyance path and the developer present in the first and second conveyance paths, and circulating and conveying them; a developing roller for supplying the developer in the second conveyance path to a photoreceptor drum; first and second communication paths by which the first and second conveyance paths communicate on the outside of the both ends of the partition plate; a first communication path-conveying member disposed in the first communication path and used for conveying the developer from the first conveyance path to the second conveyance path; and a second communication conveyance member disposed in the second communication path and used for conveying the developer from the second conveyance path to the first conveyance path. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，其中沿着两个传送路径循环和传送显影剂的能力得到改善，并且显影剂上的应力减小。解决方案：显影装置包括：用于存储显影剂的显影槽; 设置在显影槽中的隔板; 由分隔板限定的第一和第二输送路径，彼此平行设置并用于输送显影剂; 第一输送构件和第二输送构件设置在第一输送路径和第二输送路径中，彼此相反地旋转，从而搅拌从第一输送路径的上游侧供给的调色剂和存在于第一输送路径和第二输送路径中的显影剂，传达他们用于将第二传送路径中的显影剂供应到感光鼓的显影辊; 第一和第二连通路径，第一和第二输送路径在分隔板的两端的外侧连通; 第一通信路径传送部件，设置在第一连通路径中，用于将显影剂从第一输送路径输送到第二输送路径; 以及设置在所述第二连通路径中并用于将所述显影剂从所述第二输送路径输送到所述第一输送路径的第二通信输送构件。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010107833A Image forming unit and image forming apparatus using the same 审中-公开
标题翻译：图像形成单元和使用该图像的图像形成装置
公开(公告)号：JP2010107833A
公开(公告)日：2010-05-13
申请号：JP2008281249
申请日：2008-10-31
申请人： Sharp Corp , シャープ株式会社
发明人： TAKENOUCHI KOICHI
IPC分类号： G03G15/00 , G03G15/08 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To increase image density by reducing a DS distance (distance between a photoreceptor drum and a developing roller) when the image density is low, and to prevent a banding phenomenon by enlarging the DS distance when image density irregularities (banding) occur. SOLUTION: The image forming unit includes: a photoreceptor frame 120 rotatably supporting the photoreceptor drum 3; a developing tank 111 rotatably supporting the developing roller 114; a joining part elastic member 121 (121a and 121b) provided in a joining part between the photoreceptor frame 120 and the developing tank 111; and a pressure force adjusting member 123. The distance (DSD) between the photoreceptor drum 3 and the developing roller 114 is adjusted by the joining part elastic member 121. The pressure force adjusting member 123 comprises a coil spring 123a having a Young's modulus smaller than that of the joining part elastic member 121 and a spring length adjusting member 123b adjusting the entire length of the coil spring 123a and adjusts the entire length of the coil spring 123a, to adjust a pressure force with respect to a projection member 122. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：当图像浓度低时，通过减小DS距离（感光鼓和显影辊之间的距离）来增加图像浓度，并且当图像浓度不均匀性时通过放大DS距离来防止带状现象（条带）发生。图像形成单元包括：可旋转地支撑感光鼓3的感光体框架120; 可旋转地支撑显影辊114的显影槽111; 设置在感光体框架120和显影槽111之间的接合部的接合部弹性部件121（121a，121b）和压力调节构件123.感光鼓3和显影辊114之间的距离（DSD）通过接合部弹性构件121进行调节。压力调节构件123包括：杨氏模量小于接合部弹性构件121和弹簧长度调节构件123b的弹簧长度调节构件123b调整螺旋弹簧123a的整个长度并调节螺旋弹簧123a的整个长度，以调节相对于突出构件122的压力。
版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010039070A Developing device and image forming device using the same 有权
标题翻译：使用其形成装置和图像形成装置
公开(公告)号：JP2010039070A
公开(公告)日：2010-02-18
申请号：JP2008199900
申请日：2008-08-01
申请人： Sharp Corp , シャープ株式会社
发明人： TAKENOUCHI KOICHI , ITOYAMA MOTOYUKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device can prevent the toner being not fully electrostatically charged from being supplied to a developing roller and reduce toner scattering and image fogging and to provide an image forming device using it. SOLUTION: This developing device 2 is provided with a developing tank 111 storing developer D, a first conveyance passage P and a second conveyance passage Q for conveying the developer D, a first conveyance member 112a provided in the first conveyance passage P, a second conveyance member 112b provided in the second conveyance passage Q, and a toner supply port 117 for supplying the toner. A developer guiding projection 118 protruding spirally and at least partially along an internal wall P1 of the first conveyance passage P to guide the developer is provided on the internal wall P1 of the first conveyance passage P. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置可以防止未完全静电的调色剂被供应到显影辊并减少调色剂飞散和图像起雾，并提供使用它的图像形成装置。解决方案：该显影装置2设置有存储显影剂D的显影槽111，用于输送显影剂D的第一输送通道P和第二输送通道Q，设置在第一输送通道P中的第一输送构件112a，设置在第二输送通道Q中的第二输送构件112b和用于供给调色剂的调色剂供给口117。在第一输送通道P的内壁P1上设置有沿着第一输送通道P的内壁P1至少部分地突出以引导显影剂的显影剂引导突起118.（C）2010， JPO＆INPIT

7. 发明专利

JP2008139334A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2008139334A
公开(公告)日：2008-06-19
申请号：JP2006322488
申请日：2006-11-29
申请人： Sharp Corp , シャープ株式会社
发明人： TOKUYAMA MITSURU , TAKENOUCHI KOICHI , NAOI HIROO , MORIMOTO KIYOBUMI , HIGAMI KAZUMA
IPC分类号： G03G15/00 , G03G15/08
CPC分类号： G03G15/0849 , G03G15/0853 , G03G2215/00075
摘要： PROBLEM TO BE SOLVED: To obtain an electrophotographic image forming apparatus which stably forms an image having high image density and high image quality over a long term by exactly detecting toner concentration in a developing tank of a developing device used in the image forming apparatus and always replenishing the developing tank with appropriate amount of toner in accordance with toner consuming circumstances, thereby preventing the lowering of image density and the occurrence of an image defect such as thinning of the image. SOLUTION: The image forming apparatus 1 includes a toner image forming means 2 equipped with a developing device 13 having a developing tank 20 in which two-component developer is reservoired, a transfer means 3, a fixing means 4, a recording medium supply means 5 and an ejection means 6, and is provided with a toner concentration detection means for detecting the toner concentration in the developing tank 20, a print speed switching means, a toner concentration calculation means for calculating the toner concentration by correcting a result of detection by the toner concentration detection means in accordance with print speed, and a toner replenishment control means for replenishing the developing tank with toner in accordance with a result of calculation by the toner concentration calculation means. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得电子照相图像形成装置，其通过精确地检测图像形成中使用的显影装置的显影槽中的调色剂浓度，从而长期稳定地形成具有高图像密度和高图像质量的图像装置，并根据调色剂消耗情况总是用适量的调色剂来补充显影槽，从而防止图像浓度的降低和诸如图像变薄的图像缺陷的发生。图像形成装置1包括配备有显影装置13的显影装置13的调色剂图像形成装置2，显影装置13具有其中存储有双组分显影剂的显影槽20，转印装置3，固定装置4，记录介质供给装置5和喷射装置6，并且设置有用于检测显影槽20中的调色剂浓度的调色剂浓度检测装置，打印速度切换装置，调色剂浓度计算装置，用于通过校正调色剂浓度根据打印速度通过调色剂浓度检测装置进行检测;以及调色剂补充控制装置，用于根据调色剂浓度计算装置的计算结果，用调色剂补充显影槽。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007033631A Carrier and two-component developer 审中-公开
标题翻译：载体和双组分开发商
公开(公告)号：JP2007033631A
公开(公告)日：2007-02-08
申请号：JP2005214378
申请日：2005-07-25
申请人： Sharp Corp , シャープ株式会社
发明人： KATO TAKESHI , URATA YOSHITAKA , KOREMATSU KAZUYA , TAKAYAMA TAKESHI , TAKENOUCHI KOICHI
IPC分类号： G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a carrier and a two-component developer having excellent durability and environmental stability.
SOLUTION: The carrier has a core material coated with a coating resin, wherein the coating resin is applied on the core material in an amount of 5-20 wt.% based on the weight of the core material so as to improve the durability. Further, the coating resin contains titanium oxide fine powder in order to improve environmental stability.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的耐久性和环境稳定性的载体和双组分显影剂。解决方案：载体具有涂覆有涂层树脂的芯材，其中基于芯材的重量，涂层树脂以5-20重量％的量施加在芯材上，以便改善耐久性。此外，涂料树脂含有氧化钛细粉，以改善环境稳定性。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005345957A Development device 审中-公开
标题翻译：开发设备
公开(公告)号：JP2005345957A
公开(公告)日：2005-12-15
申请号：JP2004168355
申请日：2004-06-07
申请人： Sharp Corp , シャープ株式会社
发明人： SAKAKAWA YOSHIO , TANIZAWA HIROSHI , NAOI HIROO , OKUDA TAKESHI , TAKENOUCHI KOICHI , KURIMOTO HIDEAKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a development device, superior in both developer stir performance and developer conveyance performance. SOLUTION: The developing device 10a has a toner box 11, a stir member 13, a conveyance screw 14, a supply roller, a developing sleeve 16, and an exterior member 12 for accommodating them. The stir member 13 includes a shaft 131, disposed in the direction of the conveyance of supply toner and supported by the exterior member 12 at both its ends so as to freely rotate; a Mylar sheet 132 supported by the shaft 131 along one edge of it and rotates, such that the other edge slides against the internal wall face of the exterior member 12; and wedge-shaped projections formed on the internal wall face of the exterior member 12 such that the farther downstream they are, the higher they become, and the farther upstream they are, the lower they become. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种显影剂搅拌性能和显影剂输送性能优异的显影装置。解决方案：显影装置10a具有调色剂盒11，搅拌构件13，输送螺杆14，供给辊，显影套筒16和用于容纳它们的外部构件12。搅拌构件13包括轴131，其沿供给调色剂的输送方向设置，并且由外部构件12在其两端支撑以自由旋转; 一个由轴131沿其一个边缘支撑并旋转的聚酯薄片132，使得另一边缘抵靠外部构件12的内壁面滑动; 以及形成在外部构件12的内壁面上的楔形突起，使得它们的下游越远，它们变得越高，它们越上游，它们变得越低。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005222000A Two-component developer 有权
标题翻译：两组分开发商
公开(公告)号：JP2005222000A
公开(公告)日：2005-08-18
申请号：JP2004032580
申请日：2004-02-09
申请人： Sharp Corp , シャープ株式会社
发明人： KATO TAKESHI , URATA YOSHITAKA , TAKENOUCHI KOICHI , NAKATSU KIYOBUMI , NAOI HIROO
IPC分类号： G03G9/08 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a two-component developer having excellent durability and environmental stability without regarding whether the toner and the carrier constituting the two-component developer have a sphericity with high irregularity or a sphericity with low irregularity.
SOLUTION: The two-component developer consists of toner and a carrier. The carrier has a core material coated with a coating material, wherein the coating material is applied in amount of 5-20 wt.% of the core material. The toner concentration in the developer is controlled to satisfy 100/(0.75k+1)≤X≤100/(0.34k+1), wherein X represents toner concentration (wt.%), k represents a coating coefficient (k=S
t ρ
c /S
c ρ
t ), ρ
c is the specific gravity of the carrier, ρ
t is the specific gravity of the toner, S
c is the specific surface area (cm
2 /cm
3 ) of the carrier, and S
t is the specific surface area (cm
2 /cm
3 ) of the toner.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的耐久性和环境稳定性的双组分显影剂，而不考虑调色剂和构成双组分显影剂的载体是否具有高不规则性的球形度或具有低不规则性的球形度。
解决方案：双组分显影剂由调色剂和载体组成。载体具有涂覆有涂层材料的芯材料，其中涂覆材料的用量为芯材料的5-20重量％。将显影剂中的调色剂浓度控制为满足100 /（0.75k + 1）≤X≤100/（0.34k + 1），其中X表示调色剂浓度（wt。％），k表示涂布系数（k = S c c c c c c 载体的重力ρ t 是调色剂的比重，S c 是比表面积（cm 2 / cm 3 ），S t 是调色剂的比表面积（cm 2 / cm 3 ）。版权所有（C）2005，JPO＆NCIPI

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