| 摘要 |
The present invention provides a housing comprising a rectangular transparent planar board for placing documents to be scanned and a rectangular case for placing a scanning module. The housing comprises a plurality of clasps for fixing the transparent planar board within a flatbed scanner and comprises front, rear, left and right ends. The case comprises four upright sides and a rectangular opening installed above the four upright sides for mounting the transparent planar board. The opening comprises front, rear, left and right sides. The left and right sides of the opening each comprises an L-shaped groove for mounting the left and right ends of the transparent planar board, respectively. The front and rear sides of the opening each comprises a clasp for mounting the front and rear ends of the transparent planar board. The clasp at the middle portion of the rear side is installed such that when the front end of the transparent planar board is fastened into the clasp installed at the front side of the opening, the middle portion of the rear end of the transparent planar board can be fastened into the clasp installed at the rear side of the opening by temporarily displacing the clasp laterally as the transparent planar board is placed.
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