发明名称 Document guide roller assembly in a scanner
摘要 A scanner is disclosed having spring pressers pressed over the axles of a document guide roller assembly of a transmission mechanism thereof at two opposite ends in holding down the document guide roller assembly for delivering the document inserted therein for smooth scanning and preventing the document from being biased.
申请公布号 US5311330(A) 申请公布日期 1994.05.10
申请号 US19920987882 申请日期 1992.12.08
申请人 发明人
分类号 H04N1/00;(IPC1-7):H04M1/04 主分类号 H04N1/00
代理机构 代理人
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