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    • 6. 发明授权
    • Developer transport apparatus
    • 显影剂输送装置
    • US4813531A
    • 1989-03-21
    • US166583
    • 1988-03-10
    • Robert J. TannascoliCarl W. Holland
    • Robert J. TannascoliCarl W. Holland
    • G03G15/08B65G33/14
    • G03G15/0822G03G15/0872G03G15/0877
    • A developer transport apparatus includes a rotatable auger to transport developer along its length from a developer entry to a developer delivery end and transport means at the delivery end and under the rotatable transport auger to transport developer away from the delivery end with the toner auger being contained within a stationary cylindrical containment tube extending the length of the auger, the tube being cut away at the bottom portion of the delivery end of the auger to permit toner to be delivered to the transport. The developer auger has an antibridging device at its delivery end which is a flexible paddle wheel mounted through the shaft of the auger and rotatable therewith. The flexible paddle wheel has a length grater than the diameter of the containment tube whereby upon rotation of the auger the paddle wheel is first deformed by the top portion of the containment tube at the delivery end of the auger with the storage of energy therein and the subsequent release of energy when the deformed paddle is rotated through the cut away portion of the containment tube. In a preferred embodiment the paddle wheel is made of two thin solid planar members in abutment and offset axially to each other such that on rotation the leading edge is the longer of the two members.
    • 显影剂输送装置包括可旋转的螺旋推运器,以将显影剂沿着其长度从显影剂入口传送到显影剂输送端,并且在输送端和可旋转输送螺旋推运器下方的输送装置,以将显影剂从包含调色剂螺旋钻的输送端运送到输送端 在延伸螺旋钻长度的固定的圆柱形容纳管内,管被切除在螺旋推运器的输送端的底部,以允许调色剂输送到输送器。 显影螺旋推运器在其输送端具有抗振装置,该装置通过螺旋钻的轴安装并可旋转地安装在柔性桨叶上。 柔性桨叶具有比密封管的直径更长的螺旋桨,由此在螺旋钻旋转时,桨轮首先由螺旋钻的输送端处的容纳管的顶部变形,并且其中存储能量, 当变形的桨叶旋转穿过容纳管的切除部分时,随后释放能量。 在优选实施例中,桨轮由两个薄的实心平面构件制成,其邻接并且彼此轴向地偏移,使得在旋转时,前缘是​​两个构件中较长的一个。
    • 7. 发明授权
    • Closed loop mechanical development control system
    • 闭环机械开发控制系统
    • US4587929A
    • 1986-05-13
    • US677119
    • 1984-11-30
    • Douglas P. ConnollyGregory B. SwistakRobert J. Tannascoli
    • Douglas P. ConnollyGregory B. SwistakRobert J. Tannascoli
    • G03G15/08G03G15/09
    • G03G15/09G03G15/0877G03G15/0887
    • An apparatus and method for developing an electrostatic latent image on an imaging member wherein a development nip is formed between a rotatably mounted cylindrical developer roll and the imaging member. The nip is initially supplied with a wedge shaped layer of developer material to develop the electrostatic latent image on the imaging member. Periodically at stated intervals the developer material is collected from the developer roll and development nip and the same measured amount of developer material is resupplied to the development nip. The apparatus includes a developer material supply means comprising a developer material hopper having a dispensing aperture at the bottommost portion thereof adjacent the developer roll, a movable dispensing slide in operative association with the developer material hopper, the slide having in succession a solid portion for sealing association with the aperture in the hopper, an aperture for dispensing association with the aperture in the hopper and the cleaning doctor blade for cleaning engagement with the developer roll to collect developer material in the pile as the slide is movable back and forth from sealing association with the hopper aperture and for cleaning the developer roll.
    • 一种用于在成像构件上显影静电潜像的装置和方法,其中在可旋转地安装的圆柱形显影辊和成像构件之间形成显影辊隙。 最初,辊隙被提供有楔形的显影剂材料层,以显影成像构件上的静电潜像。 以规定的间隔周期性地,显影剂材料从显影辊和显影辊隙收集,并且将相同的测量量的显影剂材料重新供应到显影辊隙。 该装置包括显影剂材料供给装置,该显影剂材料供给装置包括显影剂料斗,该显影剂料斗在其与显影剂辊相邻的最底部处具有分配孔,与显影剂料斗可操作地连接的可移动分配滑块,该滑块连续地具有用于密封的固体部分 与料斗中的孔相关联,用于分配与料斗中的孔相关联的孔和清洁刮刀,用于清洁与显影剂辊的接合,以收集堆中的显影剂材料,因为滑动件可与来自密封相关联的来回移动 料斗孔和用于清洁显影辊。