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1. 发明授权

US09612562B2 Unit pulling-out mechanism and image recording apparatus 有权
公开(公告)号：US09612562B2
公开(公告)日：2017-04-04
申请号：US14633699
申请日：2015-02-27
申请人： SHARP KABUSHIKI KAISHA
发明人： Toshihiko Seike , Toshiki Takiguchi , Junya Masuda , Hiroyuki Murai
IPC分类号： G03G21/00 , G03G15/00 , G03G21/16
CPC分类号： G03G15/6529 , G03G21/16 , G03G21/1623 , G03G2221/1654 , G03G2221/1684
摘要： An image recording apparatus includes a first pullout unit, a second pullout unit, and a first lock mechanism. The first unit is movable along a first axis between a first retracted position where the first unit is fully retracted in the apparatus, and a first exposed position where at least one side surface thereof is fully exposed to the front of the apparatus. The second unit is movable along a second axis, which is perpendicular to the first axis, between a second retracted position where the second unit is fully retracted in the first unit, and a second exposed position where the second unit is exposed to a side of the side surface of the first unit. The first lock mechanism prevents movement of the second unit from the second retracted position to the second exposed position when the first unit is not in the first exposed position.

2. 发明授权

US08867945B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08867945B2
公开(公告)日：2014-10-21
申请号：US13687284
申请日：2012-11-28
申请人： Sharp Kabushiki Kaisha
发明人： Toshiki Takiguchi , Hiroyuki Murai
IPC分类号： G03G15/00 , G03G21/00
CPC分类号： G03G21/00
摘要： An image forming apparatus includes: an image bearing element that bears a toner image to be transferred to a sheet; an image forming portion that forms the toner image on the image bearing element; a cleaning element that cleans the surface of the image bearing element; a storage portion that stores a history of print coverage; a control portion that makes the image forming portion form a cleaning toner image to be supplied to the image bearing element at time of cleaning by the cleaning element; and a print coverage calculating portion that calculates the print coverage of the sheet. The control portion obtains an average value of the print coverage in a period from after a previous cleaning by the cleaning element until before a current cleaning, and determines an amount of toner for the cleaning toner image supplied to the image bearing element based on the average value.
摘要翻译：图像形成装置包括：承载待传送到片材的调色剂图像的图像承载元件; 图像形成部分，其在图像承载元件上形成调色剂图像; 清洁图像承载元件的表面的清洁元件; 存储打印覆盖历史的存储部分; 控制部，其使得所述图像形成部分形成清洁调色剂图像，以在由所述清洁元件清洁时供应到所述图像承载元件; 以及计算纸张的打印覆盖率的打印覆盖计算部分。控制部分在清洁元件之前的清洁之前的时间段内获得打印覆盖的平均值，直到当前清洁之前，并且基于平均值确定供应给图像承载元件的清洁调色剂图像的调色剂量值。

3. 发明申请

US20150153685A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150153685A1
公开(公告)日：2015-06-04
申请号：US14371527
申请日：2013-01-09
申请人： SHARP KABUSHIKI KAISHA
发明人： Masashi Hirai , Masaki Saka , Toshiki Takiguchi
IPC分类号： G03G15/01
CPC分类号： G03G15/1615 , G03G15/0136 , G03G2215/00143 , G03G2215/00151 , G03G2215/00156
摘要： An image forming apparatus (100) is equipped with a plurality of photoreceptor drums (31A to 31D), an intermediate transfer belt (41), a separating and contacting mechanisms (20), a tension roller (44), a meandering correction mechanism, and a controller. The separating and contacting mechanism (20) displaces the intermediate transfer belt (41). The meandering correction mechanism increases and decreases a biasing force applied to each of the opposite end portions of the tension roller (44) according to the amount of movement of the intermediate transfer belt (41) in the axial direction (94) of the tension roller (44). The controller, during a non-image forming period, at a predetermined timing during rotation of the intermediate transfer belt (41), executes a belt displacement process in which the intermediate transfer belt (41) is displaced from a predetermined reference position and then returned to the reference position.
摘要翻译：图像形成装置（100）配备有多个感光鼓（31A〜31D），中间转印带（41），分离接触机构（20），张力辊（44），曲折校正机构和控制器。分离和接触机构（20）使中间转印带（41）移位。曲折校正机构根据中间转印带（41）在张力辊（94）的轴向（94）上的移动量而增加和减少施加到张紧辊（44）的每个相对端部的偏置力（44）。控制器在非图像形成期间，在中间转印带（41）旋转期间的预定定时执行带位移处理，其中中间转印带（41）从预定的参考位置移位，然后返回参考位置。

4. 发明授权

US09091967B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09091967B2
公开(公告)日：2015-07-28
申请号：US14371527
申请日：2013-01-09
申请人： SHARP KABUSHIKI KAISHA
发明人： Masashi Hirai , Masaki Saka , Toshiki Takiguchi
IPC分类号： G03G15/01 , G03G15/16
CPC分类号： G03G15/1615 , G03G15/0136 , G03G2215/00143 , G03G2215/00151 , G03G2215/00156
摘要： An image forming apparatus (100) is equipped with a plurality of photoreceptor drums (31A to 31D), an intermediate transfer belt (41), a separating and contacting mechanisms (20), a tension roller (44), a meandering correction mechanism, and a controller. The separating and contacting mechanism (20) displaces the intermediate transfer belt (41). The meandering correction mechanism increases and decreases a biasing force applied to each of the opposite end portions of the tension roller (44) according to the amount of movement of the intermediate transfer belt (41) in the axial direction (94) of the tension roller (44). The controller, during a non-image forming period, at a predetermined timing during rotation of the intermediate transfer belt (41), executes a belt displacement process in which the intermediate transfer belt (41) is displaced from a predetermined reference position and then returned to the reference position.
摘要翻译：图像形成装置（100）装备有多个感光鼓（31A〜31D），中间转印带（41），分离接触机构（20），张力辊（44），曲折校正机构和控制器。分离和接触机构（20）使中间转印带（41）移位。曲折校正机构根据中间转印带（41）在张力辊（94）的轴向（94）上的移动量而增加和减少施加到张紧辊（44）的每个相对端部的偏置力（44）。控制器在非图像形成期间，在中间转印带（41）旋转期间的预定定时执行带位移处理，其中中间转印带（41）从预定的参考位置移位，然后返回参考位置。

5. 发明申请

US20130126314A1 BELT UNIT AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20130126314A1
公开(公告)日：2013-05-23
申请号：US13680594
申请日：2012-11-19
申请人： SHARP KABUSHIKI KAISHA
发明人： Fumito MIZOGUCHI , Masashi Hirai , Toshiki Takiguchi
IPC分类号： B65G15/46
CPC分类号： G03G15/16 , B65G15/30 , B65G15/46 , B65G23/04 , G03G15/1615 , G03G15/2053 , G03G2215/00151 , G03G2215/00168 , G03G2215/0132
摘要： A belt unit is provided with an endless belt, a driving roller, and a pair of guide ribs. The driving roller is disposed on an inner peripheral surface side of the endless belt and drives the endless belt. The pair of guide ribs is placed on each opposite widthwise end of the inner peripheral surface of the endless belt and contacts both end faces of the driving roller, thus preventing meandering of the endless belt. Additionally, the driving roller is equipped with a low friction region at both opposite lengthwise ends in a predetermined width and the low friction region is configured to have a friction coefficient that is lower than a friction coefficient of a region adjacent to the low friction region.

6. 发明授权

US08881891B2 Belt unit and image forming apparatus 有权
标题翻译：皮带单元和成像设备
公开(公告)号：US08881891B2
公开(公告)日：2014-11-11
申请号：US13680594
申请日：2012-11-19
申请人： Sharp Kabushiki Kaisha
发明人： Fumito Mizoguchi , Masashi Hirai , Toshiki Takiguchi
IPC分类号： B65G15/46 , G03G15/16
CPC分类号： G03G15/16 , B65G15/30 , B65G15/46 , B65G23/04 , G03G15/1615 , G03G15/2053 , G03G2215/00151 , G03G2215/00168 , G03G2215/0132
摘要： A belt unit is provided with an endless belt, a driving roller, and a pair of guide ribs. The driving roller is disposed on an inner peripheral surface side of the endless belt and drives the endless belt. The pair of guide ribs is placed on each opposite widthwise end of the inner peripheral surface of the endless belt and contacts both end faces of the driving roller, thus preventing meandering of the endless belt. Additionally, the driving roller is equipped with a low friction region at both opposite lengthwise ends in a predetermined width and the low friction region is configured to have a friction coefficient that is lower than a friction coefficient of a region adjacent to the low friction region.
摘要翻译：带单元设置有环形带，驱动辊和一对引导肋。驱动辊设置在环形带的内周面侧并驱动环形带。一对引导肋放置在环形带的内周面的相对的宽度方向两端，并且与驱动辊的两个端面接触，从而防止环形带的曲折。此外，驱动辊在预定宽度的两个相对的纵向端部处设置有低摩擦区域，并且低摩擦区域被配置为具有低于与低摩擦区域相邻的区域的摩擦系数的摩擦系数。

7. 发明授权

US09128420B2 Belt unit and image forming apparatus 有权
标题翻译：皮带单元和成像设备
公开(公告)号：US09128420B2
公开(公告)日：2015-09-08
申请号：US14513914
申请日：2014-10-14
申请人： Sharp Kabushiki Kaisha
发明人： Fumito Mizoguchi , Masashi Hirai , Toshiki Takiguchi
IPC分类号： B65G15/46 , B65G15/30 , G03G15/16 , B65G23/04 , G03G15/20
CPC分类号： G03G15/16 , B65G15/30 , B65G15/46 , B65G23/04 , G03G15/1615 , G03G15/2053 , G03G2215/00151 , G03G2215/00168 , G03G2215/0132
摘要： A belt unit is provided with an endless belt, a driving roller, and a pair of guide ribs. The driving roller is disposed on an inner peripheral surface side of the endless belt and drives the endless belt. The pair of guide ribs is placed on each opposite widthwise end of the inner peripheral surface of the endless belt and contacts both end faces of the driving roller, thus preventing meandering of the endless belt. Additionally, the driving roller is equipped with a low friction region at both opposite lengthwise ends in a predetermined width and the low friction region is configured to have a friction coefficient that is lower than a friction coefficient of a region adjacent to the low friction region.
摘要翻译：带单元设置有环形带，驱动辊和一对引导肋。驱动辊设置在环形带的内周面侧并驱动环形带。一对引导肋放置在环形带的内周面的相对的宽度方向两端，并且与驱动辊的两个端面接触，从而防止环形带的曲折。此外，驱动辊在预定宽度的两个相对的纵向端部处设置有低摩擦区域，并且低摩擦区域被配置为具有低于与低摩擦区域相邻的区域的摩擦系数的摩擦系数。

8. 发明授权

US09025985B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09025985B2
公开(公告)日：2015-05-05
申请号：US13680732
申请日：2012-11-19
申请人： Sharp Kabushiki Kaisha
发明人： Ginga Nakamura , Susumu Murakami , Toshiki Takiguchi
IPC分类号： G03G15/00 , G03G21/00 , G03G15/16
CPC分类号： G03G21/0005 , G03G15/161
摘要： An image forming apparatus determines the amount of cleaning toner that is supplied to each of an intermediate transfer belt 31 and a secondary transfer belt 42 based on the number of sheets that have been fed with the pick-up side of the sheet opposed to the intermediate transfer belt 31 and the number of sheets that have been fed with the pick-up side of the sheet opposed to the secondary transfer belt 42; integrally forms on the intermediate transfer belt 31 cleaning toner images that are supplied to each of the intermediate transfer belt 31 and the secondary transfer belt 42; and switches the application and the stop application of the transfer voltage for transferring the toner image from the intermediate transfer belt 31 to the secondary transfer roller 41 at a timing corresponding to the determined amount of toner.
摘要翻译：图像形成装置基于已经被供给与中间体相对的片材的拾取侧的片材的数量来确定供应到中间转印带31和二次转印带42中的每一个的清洁调色剂的量转印带31和已经供给与二次转印带42相对的纸张的拾取侧的纸张的数量; 在中间转印带31上整体形成清洁供给到中间转印带31和二次转印带42中的每一个的调色剂图像; 并且在与所确定的调色剂量相对应的时刻切换用于将调色剂图像从中间转印带31转印到二次转印辊41的转印电压的施加和停止应用。

9. 发明申请

US20130129370A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20130129370A1
公开(公告)日：2013-05-23
申请号：US13680732
申请日：2012-11-19
申请人： SHARP KABUSHIKI KAISHA
发明人： Ginga NAKAMURA , Susumu Murakami , Toshiki Takiguchi
IPC分类号： G03G15/00
CPC分类号： G03G21/0005 , G03G15/161
摘要： An image forming apparatus determines the amount of cleaning toner that is supplied to each of an intermediate transfer belt 31 and a secondary transfer belt 42 based on the number of sheets that have been fed with the pick-up side of the sheet opposed to the intermediate transfer belt 31 and the number of sheets that have been fed with the pick-up side of the sheet opposed to the secondary transfer belt 42; integrally forms on the intermediate transfer belt 31 cleaning toner images that are supplied to each of the intermediate transfer belt 31 and the secondary transfer belt 42; and switches the application and the stop application of the transfer voltage for transferring the toner image from the intermediate transfer belt 31 to the secondary transfer roller 41 at a timing corresponding to the determined amount of toner.
摘要翻译：图像形成装置基于已经被供给与中间体相对的片材的拾取侧的片材的数量来确定供应到中间转印带31和二次转印带42中的每一个的清洁调色剂的量转印带31和已经供给与二次转印带42相对的纸张的拾取侧的纸张的数量; 在中间转印带31上整体形成清洁供给到中间转印带31和二次转印带42中的每一个的调色剂图像; 并且在与所确定的调色剂量相对应的时刻切换用于将调色剂图像从中间转印带31转印到二次转印辊41的转印电压的施加和停止应用。

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