Original image reading apparatus having device for conveying an original at a position deviated from an original reading position of a contact-type reading sensor

An original image reading device comprising:

• first supporting means comprising an original platen roller, provided on a side of an original opposed to image reading means, for conveying the original at a position on a downstream side from an original reading position, and original contract means for urging the original toward said image reading means, said original contact means being provided at the original reading position on the side of the original opposed to said image reading means;
• and
• second supporting means including said image reading means, which comprises a contact type reading sensor, for reading image information of the original by receiving a light reflected from the original,
• wherein a length of the original platen roller in a direction of a main scanning direction of said image reading means is shorter than a length of said image reading means in the main scanning direction, and said first supporting means and said second supporting means are combined at a fulcrum at an original exit side so as to be relatively rotatable, and
• wherein said original contact means comprises a film-like flexible member,

An original image reading device comprising:

• first supporting means comprising an original platen roller, provided on a side of an original opposed to image reading means, for conveying the original at a position on a downstream side from an original reading position, and original contact means for urging the original toward said image reading means, said original contact means being provided at the original reading position on the side of the original opposed to said image reading means;
• and
• second supporting means including said image reading means, which comprises a contact type reading sensor, for reading image information of the original by receiving a light reflected from the original,
• wherein a length of the original platen roller in a direction of a main scanning direction of said image reading means is shorter than a length of said image reading means in the main scanning direction, and said first supporting means and said second supporting means are combined at a fulcrum at an original exit side so as to be relatively rotatable, and
• wherein said original contact means comprises a first flexible member having a reference color, and a second flexible member for pressing said flexible member against a reading portion.

An information processing apparatus comprising:

• an original image reading device having:
• i) first supporting means comprising an original platen roller for conveying an original, said original platen roller being provided at a position on a downstream side from an original reading position and original contact means for urging the original toward image reading means, said original contact means being non-cylindrical and provided at the original reading position;
• ii) second supporting means including the image reading means, which comprises a contact type reading sensor, for reading image information of the original by receiving a light reflected from the original,
• wherein a length of the original platen roller in a main scanning direction of said image reading means is shorter than a length of the said reading means in the main scanning direction, and said first supporting means and said second supporting means are combined at a fulcrum so as to be relatively rotatable, said original platen roller being separated from said second supporting means upon relative rotation of said first and second supporting means;
• and
• iii) a first electrical connecting section for deriving signals from said image reading means;
• a signal processing circuit for processing signals from said image reading means;
• a second electrical connecting section, coupled to said first electrical connecting section, for supplying signals from said image reading means to said signal processing circuit;
• a scanning section;
• and
• an information processing device body,
• wherein said original image reading device and said information processing device body are detachably provided.