| 摘要 |
To provide a technology which facilitates an operation for placing a document with a larger size than a size of a document table, on the document table. A document cover (6) is positioned at a plurality of open positions to a document table. A pivot of a document table and a hinge (7) is configured by two pivots (A1,A2), and a constricted portion (1b) and it is configured in such a manner that, in case of setting a document with a smaller size than that of the document table, the pivot (A2) is pivoted at a convex portion (7a) of the hinge (7), and in case of setting a document with a larger size than that of the document table, the convex portion (7a) is moved to the pivot (A1) side through the constricted portion (1b), and the pivot (A1) is pivoted at the convex portion (7a). |
