JPH0455867U

JPH0455867U -

Info

Publication number: JPH0455867U
Application number: JP9703290U
Authority: JP
Priority date: 1990-09-14
Filing date: 1990-09-14
Publication date: 1992-05-13

Description

[Brief explanation of the drawing]

第１図は本考案を応用した複写機の実施例の斜
視図、第２図は第１図のＡ−Ａ断面図、第３図は
本考案の画像読み取り装置の動作部の部分斜視図
、第４図は本考案の白色基準板の着脱を示す部分
斜視図、第５図は本考案の応用例を示す部分斜視
図、第６図は従来例の分解斜視図である。２……原稿台ガラス、３……原稿つきあて指標
、３ａ……間隙部、４……白色基準板。 FIG. 1 is a perspective view of an embodiment of a copying machine to which the present invention is applied, FIG. 2 is a sectional view taken along line A-A in FIG. FIG. 4 is a partial perspective view showing how to attach and remove the white reference plate of the present invention, FIG. 5 is a partial perspective view showing an applied example of the present invention, and FIG. 6 is an exploded perspective view of a conventional example. 2...Original table glass, 3...Document stop indicator, 3a...Gap portion, 4...White reference plate.

Claims

[Claims for Utility Model Registration] 1. An image reading device comprising an optical sensor for reading a document and a white reference plate for correcting the white reading level of the optical sensor, and the white reference plate is removable. . 2. It has a document platen glass and a document placement indicator,
2. The image reading device according to claim 1, wherein the white reference plate is removably attached to a gap provided between the document platen glass and the document abutting index. 3. The image reading device according to claim 2, wherein the white reference plate is made of an elastic member and comes into close contact with the document table glass when inserted into a gap provided between the document table glass and the document abutting index.