US Patent 7411695 Image reading apparatus and original cover thereof

The original cover of an image reading apparatus for covering an original stand which is provided on the image reading apparatus and on which an original is placed is provided with a cover member for covering the original placed on the original stand, and a hinge member having one end thereof pivotally supported by the cover member and having the other end thereof mounted on and pivotally supported by the original stand. The original cover is characterized in that the cover member is biased in a direction in which it is opened relative to the hinge member and is biased toward a rotary shaft, by biasing means.