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公开(公告)号：US5319432A
公开(公告)日：1994-06-07
申请号：US885967
申请日：1992-05-20
CPC分类号： G03G15/6558 , B65H5/062 , B65H9/06 , G03G2215/00405 , G03G2215/00679
摘要： A sheet delivery mechanism includes a pair of delivery rollers which deliver a sheet along a sheet delivery passage of a sheet treatment apparatus for predeterminately treating the sheet, a sheet halting member for halting the sheet, and a pinching force adjusting member. The pinching force adjusting member adjusts the delivery rollers to place them into a first state where the sheet pinching force of the delivery rollers is relatively small so that the delivery rollers can slip on the halted sheet and into a second state where the sheet pinching force is relatively great so that the sheet can be delivered in the case where a sheet halt is released for delivery.
摘要翻译： 片材输送机构包括一对输送辊，其沿片材处理装置的片材输送通道输送片材，用于预先处理片材，用于停止片材的片材停止部件和夹紧力调节部件。 夹持力调节构件调节输送辊以将它们置于第一状态，其中输送辊的片夹紧力相对较小，使得输送辊可以在停止的片材上滑动并进入第二状态，其中片材夹紧力为 相对较大，使得在片材停止释放用于输送的情况下可以输送片材。
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公开(公告)号：US5214477A
公开(公告)日：1993-05-25
申请号：US848492
申请日：1992-03-09
CPC分类号： G03G15/0812 , G03G15/0851
摘要： An image forming apparatus comprises a photoreceptor, a developing roller for forming a layer of developer on a surface thereof to supply toner to the photoreceptor at a developing position, a bias supply for applying bias voltage between the developing roller and a ground, a conductive line for electrically connecting the developer layer with the ground, a detector for detecting toner density of the developer layer based on an amount of electric current flowing through the conductive line, and a voltage controller for preventing surface voltage of the developer layer from falling below a predetermined level despite the electric current flowing into the conductive line at least during a developing operation. Accordingly, there can be reliably prevented formation of fog on a copy because the surface voltage of the developer layer is maintained above the specified level at least during the developing operation.
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公开(公告)号：US5206696A
公开(公告)日：1993-04-27
申请号：US848555
申请日：1992-03-09
CPC分类号： G03G15/605 , G03B27/6235
摘要： An image forming apparatus includes a main body having an image forming device, a document table for holding the document, the table being movable reciprocatingly to the left and right sides of the apparatus when viewed from front over an upper surface of the main body, a drive device for moving the document table, and a movement control device for mechanically executing at least one operation of switching a moving direction of the document table and locking the document table in a predetermined position. Accordingly, there can be obviated the need for providing expensive electronic parts for switching the moving direction of the document table, stopping and locking the document table. Therefore, the image forming apparatus can be manufactured at lower costs.
摘要翻译： 图像形成装置包括具有图像形成装置的主体，用于保持原稿的文件台，当从主体的上表面的前方观察时，该工作台可以往复地移动到装置的左侧和右侧， 用于移动文件台的驱动装置和用于机械地执行切换文件台的移动方向和将文件台锁定在预定位置中的至少一个操作的移动控制装置。 因此，可以避免提供用于切换文件台的移动方向的昂贵的电子部件，停止和锁定文件台的需要。 因此，可以以更低的成本制造图像形成装置。
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4.发明授权Image forming apparatus having monocoque housing structure including unitary toner collecting vessel 失效具有单体式壳体结构的图像形成装置包括单一的调色剂收集容器
公开(公告)号：US5438390A
公开(公告)日：1995-08-01
申请号：US848210
申请日：1992-03-10
申请人： Masahiko Kobayashi , Masakatsu Akashi , Junichi Hirobe , Tsutomu Sugaya , Yoshihisa Tanaka , Toshiaki Kusuda , Ikuo Makie , Yukihiro Aikawa , Satoshi Ishii , Yosuke Ohata
发明人： Masahiko Kobayashi , Masakatsu Akashi , Junichi Hirobe , Tsutomu Sugaya , Yoshihisa Tanaka , Toshiaki Kusuda , Ikuo Makie , Yukihiro Aikawa , Satoshi Ishii , Yosuke Ohata
CPC分类号： G03G21/1619 , G03G15/00 , G03G21/1604 , G03G2221/1645 , G03G2221/1654 , G03G2221/1672 , G03G2221/1678 , G03G2221/169 , G03G2221/1693
摘要： An image forming apparatus having components which are secured and supported by a resin apparatus body. The body if formed of mutually separable upper and lower casings, which are coupled in shiplap style. At least the upper casing is formed of a monocoque construction, and the lower casing may be formed of a monocoque construction as well.
摘要翻译： 一种图像形成装置，其具有由树脂装置主体固定和支撑的部件。 身体如果由相互分离的上部和下部壳体组成，它们以shiplap风格耦合。 至少上壳体由单壳结构形成，并且下壳体也可以由单壳结构构成。
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5.发明授权Image forming apparatus provided with a controller for fixing roller heater 失效图像形成装置设置有用于定影辊加热器的控制器
公开(公告)号：US5315350A
公开(公告)日：1994-05-24
申请号：US848557
申请日：1992-03-09
CPC分类号： G03G15/2039 , G03G15/205
摘要： An image forming apparatus includes an image forming unit for forming and transferring an image of a document to a copy sheet, fixing unit including a fixing roller for fixing the document image to a copy sheet while transporting it, a heater for heating the fixing roller, and heater control unit for turning on and off the heater at specified timings so as to increase and maintain temperature of the fixing roller to and in a predetermined steady-state temperature range whose upper limit is a fixing temperature, the copy sheet being heated by the fixing roller having temperature of about the predetermined fixing temperature while transported, whereby the document image transferred to the copy sheet is fixed thereto, and control unit for controlling the heater control unit to control the heater within a copying period during which a copying operation is completed. The heater control unit on-off controls the heater only during the copying operation. Accordingly, power consumed by the heater is reduced and a temperature increase within the apparatus can be suppressed.
摘要翻译： 图像形成装置包括：图像形成单元，用于将文件的图像形成和传送到复印纸;定影单元，包括用于将文件图像定影到复印纸上的定影辊;传送加工件的加热器; 以及加热器控制单元，用于在指定的定时打开和关闭加热器，以便将定影辊的温度升高并保持在上限为定影温度的预定的稳态温度范围内，复印纸被 定影辊在传送时具有大约预定定影温度的温度，由此将转印到复印纸的文档图像固定到其上，控制单元用于控制加热器控制单元在复印操作完成的复印周期内控制加热器 。 加热器控制单元开关仅在复印操作期间控制加热器。 因此，加热器消耗的功率降低，并且可以抑制装置内的温度升高。
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公开(公告)号：US4746952A
公开(公告)日：1988-05-24
申请号：US851640
申请日：1986-04-14
申请人： Toshiaki Kusuda , Takeshi Tsuda , Masakatsu Akashi
发明人： Toshiaki Kusuda , Takeshi Tsuda , Masakatsu Akashi
CPC分类号： G03G15/09 , G03G15/0126
摘要： An apparatus for electrostatic latent image development having two or more units for multicolor development provided around a photoreceptor. Each unit has a developer feed controller for feeding developer to the developing section having a developing roller facing the photoreceptor drum and for shutting off the feeding and has a doctor blade in the feed up-stream in turning direction of the developing roller. Developer is applied to the developing section when development is performed by displacement of the developer feed controller and is shut off when the developing unit is not used for development.
摘要翻译： 一种用于静电潜像显影的装置，具有用于多色显影的两个或更多个单元，设置在感光体周围。 每个单元具有用于将显影剂供给到显影部分的显影剂进料控制器，该显影部分具有面向感光鼓的显影辊并且用于关闭进料并且在显影辊的转动方向上在上游的进料头中具有刮刀。 当通过显影剂进料控制器的位移进行显影时，显影剂被应用于显影部分，并且当显影单元不用于显影时被切断。
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公开(公告)号：US5433428A
公开(公告)日：1995-07-18
申请号：US128105
申请日：1993-09-29
申请人： Masakatsu Akashi
发明人： Masakatsu Akashi
CPC分类号： B65H1/12
摘要： A paper feeding device of an image forming apparatus having a paper feeding roller for feeding, one by one, paper pieces stacked in a paper feeding tray. Disposed at the main body of the image forming apparatus are (i) a placing member on which the stacked paper pieces are placed such that the tips thereof are ready for feeding, (ii) a biasing member for upwardly biasing the placing member, (iii) a pair of pawl members for separating, one by one, the stacked paper pieces, and (iv) a pushing-down member for pushing down the placing member as necessary. Against the biasing member, the pushing-down member pushes down the placing member, thus forming a space for setting the paper pieces between the placing member and the pawl members. The stacked paper pieces are inserted into the space through a paper feeding opening. When the pushing-down operation of the pushing-down member is released, the biasing member causes the placing member to be pushed up. This upwardly biases the stacked paper pieces, causing the paper pieces to be ready for feeding. This accomplishes a paper setting.
摘要翻译： 一种图像形成装置的送纸装置，具有一个供纸辊，一个一个地供纸堆放在供纸托盘中的纸片。 在图像形成装置的主体处设置有：（i）放置构件，堆叠的纸片放置在其上，使得其顶端准备进给，（ii）用于向上偏置放置构件的施力构件，（iii ）一对一个用于分离堆叠的纸片的棘爪构件，以及（iv）根据需要按压放置构件的下压构件。 抵靠构件的下推构件向下推动放置构件，从而形成用于将纸片设置在放置构件和棘爪构件之间的空间。 堆放的纸片通过送纸口插入到空间中。 当推下构件的按下操作被解除时，偏置构件使定位构件被向上推。 这向上偏置堆叠的纸片，使纸片准备喂食。 这完成了纸张设置。
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公开(公告)号：US5040784A
公开(公告)日：1991-08-20
申请号：US458470
申请日：1989-12-28
申请人： Masakatsu Akashi
发明人： Masakatsu Akashi
CPC分类号： G03G15/6579 , B65H29/52 , B65H29/58 , G03G15/234 , G03G2215/00434 , G03G2215/00447
摘要： A paper pressing device for an image forming apparatus including an intermediate tray for temporarily holding a sheet of copy paper in the course of conveying the sheet of copy paper from a discharging side of the image forming apparatus to a feeding side of the image forming apparatus, a conveying path changer pivotably provided above the intermediate tray for changeably providing a first position of permitting a sheet of copy paper smaller than a predetermined size to move over the conveying path changer, and a second position of permitting a sheet of copy paper larger than the predetermined size to move under the conveying path changer, a pressing device attached to the conveying path changer and made of resilient material, the pressing means being pressable on a surface of the intermediate tray when the conveying path changer is set in the second position.
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