Document pressing structure in scanning device

Abstract

A document pressing structure is provided in a flatbed scanner for facilitating close contact between a document to be scanned and a scanning platform to maintain a constant depth of field. The document pressing structure includes a first coupling element mounted on the cover of the scanner, and a second coupling element mounted on the housing of the scanner. The first and the second coupling elements engage with each other when the cover is pivotally put down on the scanning platform so as to allow the cover to press a scanned face of the document close to the platform.

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