| 摘要 |
PROBLEM TO BE SOLVED: To prevent deformation/breakage of a hook for fixing a paper feeding cassette and the occurrence of oblique paper feeding caused by incomplete paper width aligning when mounting the paper feeding cassette on an image formation device main body. SOLUTION: A guide rail 29 is fixed and attached to a side plate part 28 of the image formation device main body 27, and distance W<SB>a</SB>by which the guide rail 29 is apart from a front end part 29a is slightly larger than distance W<SB>b</SB>by which it is apart from a rear end part 29b. A slide rail 31 is fixed and attached to a side plate part 30 of the paper feeding cassette 3 so that they become parallel for each other. Distance W<SB>c</SB>by which a pair of slide rails 31 are apart from each other is smaller than distance W<SB>a</SB>by which the guide rail 29 is apart from the front end part 29a and is larger than distance W<SB>b</SB>by which it is apart from the rear end part 29b. Since distance by which a pair of left and right guide rails 29 are apart from each other is smaller than distance W<SB>c</SB>by which the pair of left and right slide rails 31 are apart from each other when the paper feeding cassette 3 is inserted into an inner side of the image formation device main body 27 to some extent, the slide rail 31 is tightened in the direction of arrow mark 41 by the guide rail 29. Consequently, force of the paper feeding cassette 3 when inserting is reduced, and the paper feeding cassette 3 stops finally. COPYRIGHT: (C)2004,JPO&NCIPI
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