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    • 111. 发明公开
    • Drive wheel for driving a sheet
    • Antriebsrad zumFörderneines Blattes
    • EP1038818A2
    • 2000-09-27
    • EP00302273.8
    • 2000-03-21
    • Gerber Scientific Products, Inc.
    • Zenzak, BrianThomas, MichaelFisher, KennethSchlueter, Richard
    • B65H27/00
    • B65H27/00B65H5/062B65H2404/181B65H2404/521
    • An apparatus (10) for performing a work operation on sheet material (12) includes a plurality of drive wheels (42) for driving the sheet material (12) in cooperation with a plurality of pinch rollers (36) along a feed path (30). Each of the drive wheels (42) includes a drive surface (54) having a plurality of primary teeth (60) and a plurality of secondary teeth (62). Each primary tooth (60) includes a top surface (76) and a plurality of primary contact points (78) to engage the sheet material (12). Each secondary tooth (62) includes either a secondary contact line (92) or a secondary contact point (90) that come into contact with the sheet material (12) to provide additional driving force and to prevent the sheet material from being perforated by the primary teeth (60). The primary teeth (60) and the secondary teeth (62) of the drive wheels (42) engage the sheet material (12) to advance the sheet material along the feed path (30). The drive surface (54) of the drive wheels (42) of the present invention minimizes slippage of the sheet material (12) in the drive apparatus (10) without damaging the sheet material (12).
    • 一种用于对片材(12)进行加工操作的装置(10)包括多个驱动轮(42),用于沿着进给路径(30)与多个夹送辊(36)配合驱动片材(12) )。 每个驱动轮(42)包括具有多个主齿(60)和多个副齿(62)的驱动表面(54)。 每个主齿(60)包括顶表面(76)和多个主接触点(78)以接合片材(12)。 每个辅助齿(62)包括与片材(12)接触以提供额外的驱动力的二次接触线(92)或次级接触点(90),并且防止片材被 初级牙齿(60)。 驱动轮(42)的主齿(60)和副齿(62)与片材(12)接合,以使片材沿着进给路径(30)前进。 本发明的驱动轮(42)的驱动表面(54)最大限度地减少了驱动装置(10)中的片材(12)的滑动,而不会损坏片材(12)。
    • 117. 发明授权
    • 화상형성기기의 용지이송장치
    • 화상형성기기의용지이송장치
    • KR100461590B1
    • 2004-12-14
    • KR1020020047608
    • 2002-08-12
    • 삼성전자주식회사
    • 신상엽
    • G03G15/00
    • B65H9/004B65H5/38B65H9/06B65H9/106B65H2301/512125B65H2404/521B65H2404/6111
    • A paper transferring device for an image forming apparatus includes a plurality of guide members forming a paper transferring path connecting a paper feeding device and a photosensitive drum, a feeding roller disposed on a side of the paper transferring path adjacent to the photosensitive drum, the feeding roller transferring a paper incoming along the paper transferring path to the photosensitive drum, at least one transferring roller disposed on the paper transferring path between the feeding roller and the paper feeding device, the transferring roller transferring the paper picked-up from the paper feeding device to the feeding roller, and a paper leading edge aligning unit for aligning a leading edge of the paper so that the leading edge of the paper is parallel to a rotation axis of the feeding roller prior to entering the feeding roller to prevent the paper from being skewed.
    • 一种用于图像形成设备的纸张传送装置,包括:多个引导构件,形成用于连接纸张馈送装置和感光鼓的纸张传送路径;馈送辊,设置在纸张传送路径的与感光鼓相邻的一侧上;馈送 将沿着所述纸张传送路径进入的纸张传送到所述感光鼓;至少一个传送辊,设置在所述馈送辊和所述供纸装置之间的所述纸张传送路径上,所述传送辊将从所述供纸装置拾取的纸张 以及纸张前端对齐单元,其用于对准纸张的前缘,使得纸张的前缘在进入进给辊之前平行于进给辊的旋转轴线以防止纸张进入 歪斜。