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    • 1. 发明授权
    • Image developer material agitation system with non-binding mixing coil
agitator
    • 具有非结合性混合盘管搅拌器的图像显影剂材料搅拌系统
    • US5575408A
    • 1996-11-19
    • US430025
    • 1995-04-27
    • Virginia A. MarquelingA. Lance MarcheseBruce J. ParksDarryl L. PozzangheraDavid B. Playfair
    • Virginia A. MarquelingA. Lance MarcheseBruce J. ParksDarryl L. PozzangheraDavid B. Playfair
    • G03G15/08G03G15/06
    • G03G15/0822G03G15/0877G03G15/0889G03G2215/0802Y10S222/01
    • A particulate image developer material mixing system for a reproduction apparatus, with a rotatably driven helical mixing coil in a developer material sump for mixing the developer material in the sump, and with a system for holding the rotatably driven helical mixing coil in the sump, and a system for anti-bridging of the developer material by agitating the developer material in the sump by agitating the mixing coil; including a smoothly rounded rod substantially extending inside of the helical mixing coil with a smoothly enlarged diameter end portion outwardly radiused to operatively intermediately engage the mixing coil so that as the helical mixing coil is rotatably driven at least one coil thereof is periodically partially detained and deformed on the smoothly enlarged diameter end portion and then periodically released automatically after a further rotation, so as to provide a periodic anti-bridging agitation of the developer materials, at a desired frequency, and the free end of the helical mixing coil is a sealed coil, and the adjacent rod mounting plate is enlarged to prevent the coil from catching or interleaving on the rod or the mounting plate.
    • 用于再现装置的颗粒状图像显影剂材料混合系统,其具有可旋转驱动的螺旋混合线圈,用于将显影剂材料混合在贮槽中的显影剂料槽中,以及用于将可旋转驱动的螺旋混合盘管保持在贮槽中的系统,以及 用于通过搅拌混合盘管搅拌贮槽中的显影剂材料来抗显影剂材料的桥接系统; 包括基本上在螺旋混合线圈内部延伸的平滑的圆形杆,其中具有平滑地扩大的直径的端部部分向外延伸,以可操作地中间接合混合线圈,使得当螺旋混合线圈被可旋转地驱动时,其至少一个线圈被周期性地部分地滞留和变形 在平滑扩大的直径端部上,然后在进一步旋转之后自动周期性地释放,以便以期望的频率提供显影剂材料的周期性抗桥接搅拌,并且螺旋混合线圈的自由端是密封线圈 并且相邻的杆安装板被放大以防止线圈在杆或安装板上捕获或交错。
    • 4. 发明授权
    • Moving platen architecture for an ink jet printer
    • 用于喷墨打印机的移动压板结构
    • US5216442A
    • 1993-06-01
    • US791687
    • 1991-11-14
    • Bruce J. ParksWilliam R. BurgerEdward C. HanzlikJohn Fox
    • Bruce J. ParksWilliam R. BurgerEdward C. HanzlikJohn Fox
    • B41J11/00B41J11/06B41J11/24
    • B41J11/24B41J11/0085B41J11/06
    • An ink jet printer includes a platen having a planar surface sized to hold a sheet upon which an image is to be printed flat on the planar surface. The platen is movably mounted for linear reciprocal movement between a sheet receiving position and a sheet releasing position. In operation, a sheet is fed onto or otherwise acquired on the platen. The sheet can be held on the platen by a holddown force such as by vacuum or electrostatic attraction. The platen moves a sheet held thereon across a full width printhead located between the two positions to print an image on the sheet. Sheets are released from the platen at the sheet releasing position which may include an output tray. After the sheet is released from the platen, the platen is reciprocated back to the receiving position to accept another sheet. During periods when the platen is at either the sheet receiving position or at the sheet releasing position, a maintenance station located between the receiving position and the releasing position on a side of the platen opposite from the printhead may be used to perform maintenance on the printhead.
    • 喷墨打印机包括具有平坦表面的压板,其尺寸适于将平面上的平面上的图像保持在其上。 压板可移动地安装,用于片材接收位置和片材释放位置之间的线性往复移动。 在操作中,将纸张馈送到或者以其他方式获取在压板上。 片材可以通过诸如通过真空或静电吸引的压紧力保持在压板上。 压板移动通过位于两个位置之间的全宽度打印头保持在其上的纸张,以在纸张上打印图像。 片材在片材释放位置从压盘释放,纸张释放位置可包括出纸盘。 在片材从压板释放之后,压板往往返回到接收位置以接受另一张纸。 在压板处于纸张接收位置或纸张释放位置的期间,可以使用位于与打印头相反的一侧的接收位置和释放位置之间的维护站来对打印头进行维护 。
    • 5. 发明授权
    • Ultrasonic backer for bias transfer systems
    • 用于偏置传输系统的超声波支撑
    • US07512367B2
    • 2009-03-31
    • US11349582
    • 2006-02-08
    • Bruce J. Parks
    • Bruce J. Parks
    • G03G15/16
    • G03G15/1625G03G2215/1614
    • Embodiments herein comprise a printing apparatus having a media path and a printing engine along the media path. The printing engine comprises a back up roll having an outer surface and an inner surface, a bias roll adjacent the outer surface of the back up roll, a photoreceptor belt, and a transfer belt. The bias roll is positioned with respect to the back up roll to form a nip between the bias roll and the back up roll. A portion of the photoreceptor belt is in the nip between the bias roll and the back up roll, and a portion of the transfer belt is in the nip between the bias roll and the photoreceptor belt. A transducer (e.g., an ultrasonic piezoelectric device) is contacting the inner surface of the back up roll. The transducer is physically connected to the back up roll in a manner such that the transducer transfers vibrations to the back up roll and to the photoreceptor belt. For example, in one embodiment, the transducer contacts and is physically biased against the inner surface of the back up roll.
    • 本文的实施例包括具有媒体路径和沿着媒体路径的打印引擎的打印设备。 印刷机包括具有外表面和内表面的支撑辊,邻近后备辊的外表面的偏压辊,感光带和转印带。 偏置辊相对于后备辊定位,以在偏置辊和支撑辊之间形成辊隙。 感光带的一部分位于偏压辊和支撑辊之间的辊隙中,并且转印带的一部分位于偏压辊和感光带之间的辊隙中。 换能器(例如,超声波压电装置)接触支撑辊的内表面。 换能器以使得换能器将振动传递到后备辊和感光带的方式物理连接到支撑辊。 例如,在一个实施例中,换能器接触并且被物理地偏置抵靠后备辊的内表面。
    • 7. 发明授权
    • Blade brush cleaner
    • 刀片清洁剂
    • US07457578B2
    • 2008-11-25
    • US11601881
    • 2006-11-20
    • Douglas A. LundyD Clay JohnsonBruce J. ParksMichael Quoc Lu
    • Douglas A. LundyD Clay JohnsonBruce J. ParksMichael Quoc Lu
    • G03G21/00
    • G03G21/0011G03G21/0035G03G21/0076G03G2221/001
    • There is disclosed a system for cleaning marking material from a surface portion of a movable photoconductive member. The system includes a first rotatable brush, a blade and a second rotatable brush arranged in sequential order along the movable photoconductive member. The first rotatable brush is for removing a first amount of marking material from the surface portion of the movable photoconductive member as the surface portion of the movable photoconductive member moves past said first rotatable electrostatic brush. The blade, in engaging contact with the movable photoconductive member, is for removing a second amount of marking material from the surface portion of the movable photoconductive member. The second rotatable brush, positioned in interference contact with the movable photoconductive member, is for removing substantially all residual marking material that was not removed by the first rotatable brush and the blade.
    • 公开了一种用于从可移动感光体的表面部分清洁标记材料的系统。 该系统包括第一可旋转刷,叶片和沿着可移动感光体按顺序布置的第二可旋转刷。 第一可旋转刷子用于当可移动感光体的表面部分移动经过所述第一可旋转静电刷时,从可移动感光体的表面部分移除第一量的标记材料。 与可移动感光体啮合的叶片用于从可移动感光体的表面部分移除第二数量的标记材料。 与可移动感光体干涉接触的第二可旋转刷子用于基本上除去未被第一可旋转刷子和刀片除去的所有残留标记材料。