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1. 发明授权

US5211392A Sheet transport apparatus for use in an electrophotographic printing machine 失效
标题翻译：用于电子照相印刷机的片材输送装置
公开(公告)号：US5211392A
公开(公告)日：1993-05-18
申请号：US755409
申请日：1991-09-05
申请人： Roger M. Swanson , Scott C. Durland , James R. Cassano , David T. Pfeiffer
发明人： Roger M. Swanson , Scott C. Durland , James R. Cassano , David T. Pfeiffer
IPC分类号： G03G15/01 , B65H5/08 , G03G15/00 , G03G15/16
CPC分类号： B65H5/085
摘要： An apparatus is described for releasably gripping a sheet and advancing the sheet through a transfer zone and into registration with information developed on a moving member. The apparatus includes a first gripping member and a second gripping member adapted to be moved relative to the first gripping member. The apparatus further includes a mechanism for applying a force on the second gripping member to urge the second gripping member towards the first gripping member to grip the sheet. Moreover, the apparatus includes a mechanism for advancing the first gripping member and the second gripping member through the transfer zone. The apparatus additionally includes a mechanism for moving the second gripping member relative to the first gripping member to acquire or release the sheet. The apparatus further includes a mechanism for positioning the moving mechanism in a first mode of operation to allow the moving mechanism to move the second gripping member, and, in a second mode of operation to prevent the moving mechanism from moving the second gripping member. The printing machine still further includes a mechanism for isolating the positioning mechanism from the force applied by the force applying mechanism during the first mode of operation.
摘要翻译：描述了用于可释放地夹紧片材并使片材前进通过转移区域并与移动构件上形成的信息对准的装置。该装置包括第一夹持构件和适于相对于第一夹持构件移动的第二夹持构件。该装置还包括用于在第二夹持构件上施加力以将第二夹持构件推向第一夹持构件以夹持片材的机构。此外，该装置包括用于通过传送区使第一夹持构件和第二夹持构件前进的机构。该装置还包括用于相对于第一夹持构件移动第二夹持构件以获取或释放片材的机构。该装置还包括用于将移动机构定位在第一操作模式中以允许移动机构移动第二夹持构件的机构，以及在第二操作模式中以防止移动机构移动第二夹持构件。印刷机还包括用于在第一操作模式期间将定位机构与由施力机构施加的力隔离的机构。

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