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公开(公告)号：US5614995A
公开(公告)日：1997-03-25
申请号：US523457
申请日：1995-09-05
申请人： Timothy R. Jaskowiak , Julie A. Perez , Ann M. Kazakos , Daniel R. Gilmore, III , Jay L. Schneider , Heiko Rommelmann
发明人： Timothy R. Jaskowiak , Julie A. Perez , Ann M. Kazakos , Daniel R. Gilmore, III , Jay L. Schneider , Heiko Rommelmann
CPC分类号： G03G15/0818 , G03G2215/0621 , G03G2215/0643
摘要： An electroded donor roll for mounting partially within a mixing chamber of a development unit for forming a development zone with an image bearing member and moving charged toner particles from the mixing chamber to the development zone. The donor roll includes a conductive shaft core and a dielectric material layer that is injection molded over the shaft core. The donor roll also includes axially extending electrodes formed in the surface of the dielectric layer, and robust commutator contact pads that are formed from a conductive commutator washer device which has been overmolded into the dielectric layer. The commutator pads each are in line with, and contact an axially extending electrode.
摘要翻译： 一种电镀供体辊，用于部分地安装在显影单元的混合室中，用于与图像承载部件一起形成显影区，并将带电调色剂颗粒从混合室移动到显影区。 供体辊包括导电轴芯和在轴芯上注射成型的介电材料层。 供体辊还包括形成在电介质层的表面中的轴向延伸的电极，以及由已经包覆模制到电介质层中的导电整流器清洗装置形成的鲁棒换向器接触焊盘。 换向器焊盘各自与轴向延伸的电极一致并接触。
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公开(公告)号：US5465138A
公开(公告)日：1995-11-07
申请号：US297477
申请日：1994-08-29
申请人： Timothy R. Jaskowiak , Daniel L. Coughlin , Julie A. Perez , Daniel R. Gilmore, III , Thomas L. DiGravio , Kevin H. Taft
发明人： Timothy R. Jaskowiak , Daniel L. Coughlin , Julie A. Perez , Daniel R. Gilmore, III , Thomas L. DiGravio , Kevin H. Taft
CPC分类号： G03G15/0806 , F16C13/00 , G03G15/0921 , G03G2215/0607 , G03G2215/0621 , G03G2215/0863 , Y10T29/49556 , Y10T29/49563
摘要： A development apparatus includes a housing defining a chamber holding a supply of two-component developer material including toner, and magnetizable carrier beads. The development apparatus also includes an increased reliability roller assembly within the housing for repeatably transporting a desired quantity of attracted developer material through a development zone. The roller assembly includes a first and a second preformed end cap sections each having a stub shaft portion and a cylindrical capping portion connected to the stub shaft portion and having an outer surface and assembly recesses formed into the outer surface. The roller assembly also includes a sleeve section connecting the first and the second preformed end cap sections, the sleeve section being spincast as a layer over each of the cylindrical capping portions, and into the assembly recesses of the end cap sections, so as to precisely and reliably assemble each capping portion, to the sleeve section.
摘要翻译： 显影装置包括限定容纳包含调色剂和可磁化载体珠粒的双组分显影剂材料供应的腔室的壳体。 显影装置还包括在壳体内的增加的可靠性辊组件，用于可重复地输送所需量的吸引显影剂材料通过显影区。 辊组件包括第一和第二预制端盖部分，每个端盖部分具有短轴部分和连接到短轴部分的圆柱形封盖部分，并且具有形成在外表面中的外表面和组合凹部。 辊组件还包括连接第一和第二预制端盖部分的套筒部分，套筒部分作为层压在每个圆柱形封盖部分上并进入端盖部分的组件凹部中，以精确地 并且将每个封盖部可靠地组装到套筒部。
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3.发明授权
公开(公告)号：US5473418A
公开(公告)日：1995-12-05
申请号：US360476
申请日：1994-12-21
CPC分类号： G03G15/0806 , G03G2215/0861
摘要： A donor roll having a ceramic coating for use with an electrode structure in a scavengeless development unit of an electrostatographic printer. The ceramic coating consist essentially of a suitable mixture of alumina and titania by weight giving the donor roll a desired resistivity within a range of 2.0.times.10.sup.7 -4.2.times.10.sup.8 (Ohm-cm), a discharge time constant of about 550 microseconds, and a dielectric constant within a range of 16-24 at 100.KHz.
摘要翻译： 一种供电辊，其具有用于静电打印机的无扫描显影单元中的电极结构的陶瓷涂层。 陶瓷涂层基本上由氧化铝和二氧化钛的合适的混合物组成，使得供体辊在2.0×10 7 -4.2×10 8（Ohm-cm）的范围内，约550微秒的放电时间常数和介电常数 在16-24的范围内在100.KHz。
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公开(公告)号：US5413807A
公开(公告)日：1995-05-09
申请号：US324046
申请日：1994-10-17
CPC分类号： B29C70/885 , B29C67/08 , B29C70/74 , G03G15/0806 , B29L2031/324
摘要： A method of manufacturing a donor roll having a plurality of electrodes on the surface of the roll is provided. The roll is for use in developing a latent image. The method includes providing a substantially cylindrical member and covering at least a portion of the surface of the member tangentially with a screen. The screen has an aperture therein. The method further includes urging a conductive material through at least a portion of the aperture and onto the surface of the member to form at least one of the electrodes and advancing the screen and the surface of the member synchronously to form subsequent electrodes.
摘要翻译： 提供一种制造在辊表面具有多个电极的供体辊的方法。 卷可用于开发潜像。 该方法包括提供基本上圆柱形的构件并且与屏幕切向地覆盖构件的表面的至少一部分。 屏幕上有孔。 该方法还包括将导电材料推动通过孔的至少一部分并且到构件的表面上以形成电极中的至少一个并同步地推进屏幕和构件的表面以形成后续电极。
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公开(公告)号：US5592863A
公开(公告)日：1997-01-14
申请号：US533580
申请日：1995-09-25
IPC分类号： B23B25/02
CPC分类号： B23B25/02 , Y10S82/901 , Y10T407/118 , Y10T407/14 , Y10T408/44 , Y10T82/10 , Y10T82/16065
摘要： A method for producing discontinuous chips during the machining of a work piece by a cutting tool is provided. The method includes the steps of engaging the cutting tool into the workpiece to produce a continuous chip and directing a stream of cryogen toward the continuous chip, so as to rapidly cool the continuous chip and fracture the continuous chip into the discontinuous chips.
摘要翻译： 提供了一种在通过切削工具加工工件期间制造不连续的切屑的方法。 该方法包括以下步骤：将切割工具接合到工件中以产生连续的芯片并将冷却剂流引向连续的芯片，以便快速冷却连续的芯片并将连续的芯片断裂成不连续的芯片。
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公开(公告)号：US5384627A
公开(公告)日：1995-01-24
申请号：US215449
申请日：1994-03-21
CPC分类号： G03G15/0818 , G03G15/0803 , G03G2215/0643
摘要： A developer unit adapted to develop a latent image with toner particles. The unit includes a housing defining a chamber for storing a supply of toner particles in the chamber. The unit also includes a donor roll including an electrically non-conductive circumferential surface having a conductivity less than 10.sup.-8 (ohm-cm).sup.-1 and having a central region and opposed marginal regions disposed on either side of the central region with the diameter of the central region being less than the diameter of the opposed marginal regions. The donor roll is spaced from the latent image to form a development zone. The unit further includes an electrode member which is positioned in the development zone adjacent opposed marginal regions and spaced from the central regions of the donor roll. The electrode member is electrically biased to detach toner particles from the donor roll to form a toner powder cloud in the development zone with toner particles from the toner cloud developing the latent image.
摘要翻译： 适于用调色剂颗粒显影潜像的显影剂单元。 该单元包括限定用于在腔室中存储调色剂颗粒供应的室的壳体。 该单元还包括供体辊，其包括具有小于10-8（ohm-cm）-1的导电性的非导电圆周表面，并且具有中心区域和设置在中心区域的任一侧上的相对边缘区域， 的中心区域小于相对的边缘区域的直径。 供体辊与潜像间隔开以形成显影区。 该单元还包括电极构件，该电极构件邻近相对的边缘区域定位在显影区域中并与供体辊的中心区域间隔开。 电极构件被电偏压以从供体辊分离调色剂颗粒，以在显影区中形成调色剂粉末，调色剂颗粒从调色剂云显影出潜像。
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公开(公告)号：US5701572A
公开(公告)日：1997-12-23
申请号：US517024
申请日：1995-08-18
CPC分类号： G03G21/0035
摘要： An apparatus and method for removing particles from a cleaner brush used to clean a photoreceptive surface. The apparatus and method include a cleaning brush or other cleaning device and a ceramic coated detoning roll resistive to wear. The detoning roll consists of a low electrically conductive coating over a conductive substrate material having a short electrical relaxation time constant.
摘要翻译： 一种用于清洁用于清洁感光面的清洁刷的颗粒的装置和方法。 该设备和方法包括清洁刷或其它清洁装置以及耐磨损的陶瓷涂层检测辊。 该分离辊由具有短电弛豫时间常数的导电基底材料上的低导电涂层组成。
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8.发明授权
公开(公告)号：US5322970A
公开(公告)日：1994-06-21
申请号：US51403
申请日：1993-04-23
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G2215/0643
摘要： A donor roll for the conveyance of toner in a development system for an electrophotographic printer includes an outer surface of ceramic. The ceramic has a suitable conductivity to facilitate a discharge time constant thereon of less than 600 microseconds. The donor roll is used in conjunction with an electrode structure as used in scavengeless development.
摘要翻译： 用于在电子照相打印机的显影系统中输送调色剂的供给辊包括陶瓷的外表面。 陶瓷具有合适的导电性，以便于其上放电时间小于600微秒。 供体辊与用于无清除发展中的电极结构一起使用。
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