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    • 1. 发明授权
    • Method and apparatus for creating or restoring high friction surface to
media roller
    • 用于创建或恢复高摩擦表面到介质辊的方法和设备
    • US5564970A
    • 1996-10-15
    • US340778
    • 1994-11-17
    • Allan G. OlsonKieran B. KellyShannon D. CaseyBlair M. Kent
    • Allan G. OlsonKieran B. KellyShannon D. CaseyBlair M. Kent
    • B24B5/50B24B19/02B24B41/04B24D11/00B65H27/00B24B19/00
    • B65H27/00B24B19/028B24B41/04B24B5/50B24D11/00B65H2404/133B65H2404/182
    • A method and apparatus is achieved for creating or restoring a high friction surface to a drive roller 52. Abrasive pads 12 define a scrubbing surface for acting upon a media roller's surface 54-58. As the roller's surface is scrubbed, creping occurs which increases the surface's coefficient of friction, and more particularly, the coefficient of friction between the roller and media sheet ("COF(rm)"). In one embodiment, the creping apparatus is formed by a pair of plates 16, 18 hinged along one edge 30 and open along an opposite edge 28. A spring 19 is positioned between the plates biasing the plates apart at the open end. One or more abrasive pads are attached to the outer surface of one plate 18. The spring is selected to provide a specific biasing force. To create or restore a high friction surface, the apparatus 10 is positioned adjacent to the roller 52. By approximately defining the force applied between the roller 52 and abrasive pads 12 and by using an abrasive pad of known grit, initially surface contaminants, if any, are scrubbed from the roller surface 54-58. As the scrubbing continues, the elastomer surface 54-58 begins to fatigue. Small pieces of rubber tear from the surface while scrubbing the fatigued surface. After several minutes of operation, the scrubbing action generates a creped surface having an increased coefficient of friction.
    • 实现了用于创建或恢复驱动辊52的高摩擦表面的方法和装置。磨料垫12限定用于作用在介质辊表面54-58上的擦洗表面。 当辊的表面被擦洗时,发生起皱,这增加了表面的摩擦系数,更具体地说,辊和介质片之间的摩擦系数(“COF(rm)”))。 在一个实施例中,起皱装置由沿着一个边缘30铰接并沿着相对边缘28敞开的一对板16,18形成。弹簧19定位在板之间,该板在开口端偏置板。 一个或多个研磨垫附接到一个板18的外表面。弹簧被选择以提供特定的偏压力。 为了创建或恢复高摩擦表面,装置10定位成与辊52相邻。通过大致限定施加在辊52和磨料垫12之间的力并通过使用已知砂粒的研磨垫,最初的表面污染物(如果有的话) 从辊表面54-58擦洗。 随着擦洗继续,弹性体表面54-58开始疲劳。 小块橡胶从表面撕裂,同时擦洗疲劳的表面。 经过几分钟的操作,洗涤动作产生具有增加的摩擦系数的起皱表面。
    • 3. 发明授权
    • Printer apparatus
    • 打印机装置
    • US07481590B2
    • 2009-01-27
    • US11314503
    • 2005-12-21
    • Masaaki Takagi
    • Masaaki Takagi
    • B41J13/02B41J13/08
    • B65H5/062B41J13/076B65H2404/13163B65H2404/182B65H2701/1322B65H2701/1916
    • In a printer body 2 of a printer apparatus 1, a grid roller 4 for feeding a sheet of paper 10 and a press roller 8 are arranged. Grid roller 4 is formed to have a large diameter portion and a small diameter portion smaller in diameter than the large diameter portion. The sheet of paper 10 pressed by press roller 8 toward grid roller 4 comes to be fed by the large diameter portion. The small diameter portion is formed at a portion that corresponds to a corner portion of the sheet of paper 10. Grid roller 4 is formed of a metal pipe, a resin layer coated on the surface of the pipe, and ceramic particles applied to the resin layer. Thus, a printer apparatus, in which skew of even a dog-eared paper is corrected, is obtained.
    • 在打印机装置1的打印机主体2中,布置有用于馈送纸张10和压辊8的格栅辊4。 格栅辊4形成为具有比大直径部分更小的直径部分和小直径部分。 由压辊8向格栅辊4挤压的纸张10由大直径部分供给。 小直径部形成在与纸张10的角部相对应的部分。网格辊4由金属管,涂布在管的表面上的树脂层和施加到树脂上的陶瓷颗粒形成 层。 因此,获得了即使是狗耳纸的偏斜被校正的打印机装置。