发明名称 Image reading apparatus and image forming apparatus provided with the same
摘要 An image reading apparatus, including: an image reading unit configured to read an image of a document placed on a document placing portion; a document pressure unit configured to press the document placed on the document placing portion against the document placing portion; a first holding unit configured to hold the document pressure unit so that the document pressure unit is openable and closable with respect to the document placing portion with a shaft pivotally supporting the document pressure unit; and a second holding unit configured to hold the document pressure unit so that the document pressure unit is openable and closable with respect to the document placing portion without a shaft pivotally supporting the document pressure unit.
申请公布号 US9191542(B2) 申请公布日期 2015.11.17
申请号 US201414523622 申请日期 2014.10.24
申请人 CANON FINETECH INC. 发明人 Urita Akira;Sasaki Takeshi
分类号 H04N1/04;H04N1/10;H04N1/00 主分类号 H04N1/04
代理机构 Fitzpatrick, Cella, Harper & Scinto 代理人 Fitzpatrick, Cella, Harper & Scinto
主权项 1. An image reading apparatus, comprising: an image reading unit configured to read an image of a document placed on a document placing portion; a document pressure unit configured to press the document placed on the document placing portion against the document placing portion; a first holding unit configured to hold the document pressure unit so that the document pressure unit is openable and closable with respect to the document placing portion with a shaft pivotally supporting the document pressure unit; and a second holding unit configured to hold the document pressure unit in cooperation with the first holding unit so that the document pressure unit is openable and closable with respect to the document placing portion without a shaft pivotally supporting the document pressure unit, wherein the second holding unit pivots in conjunction with opening and closing of the document pressure unit, and a pivot center of the second holding unit is substantially positioned coaxially with a pivot center of the first holding unit.
地址 Saitama-Ken JP