US 12,452,378 B2
Image reading apparatus
Kiyoshi Watanabe, Chiba (JP); Kazuhisa Okuda, Tokyo (JP); and Michiaki Endo, Chiba (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 8, 2024, as Appl. No. 18/737,994.
Application 18/737,994 is a division of application No. 17/850,543, filed on Jun. 27, 2022, granted, now 12,034,894.
Application 17/850,543 is a division of application No. 17/176,947, filed on Feb. 16, 2021, granted, now 11,412,099, issued on Aug. 9, 2022.
Claims priority of application No. 2020-032033 (JP), filed on Feb. 27, 2020.
Prior Publication US 2024/0333849 A1, Oct. 3, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 1/04 (2006.01); H04N 1/00 (2006.01); H04N 1/203 (2006.01)
CPC H04N 1/00559 (2013.01) [H04N 1/00525 (2013.01); H04N 1/00602 (2013.01); H04N 1/00615 (2013.01); H04N 1/00795 (2013.01); H04N 1/00981 (2013.01); H04N 1/2032 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An image reading apparatus for receiving a sheet fed from an image forming apparatus and for reading an image on the sheet, said image reading apparatus comprising:
a conveyance path through which the sheet is conveyed in a conveyance direction;
a first reading unit configured to read an image on a first surface of the sheet at a first reading position;
a second reading unit configured to read an image on a second surface of the sheet, at a second reading position different from the first reading position in the conveyance direction, said second reading unit being provided on a side opposite from said first reading unit with respect to the conveyance path;
a first guiding member disposed opposite to said second reading unit at the second reading position and configured to guide the sheet;
a second guiding member disposed opposite to said first reading unit at the first reading position and configured to guide the sheet;
a first unit including said first reading unit and said first guiding member;
a second unit including said second reading unit and said second guiding member; and
an apparatus body including an upper frame constituting an upper surface of said image reading apparatus and configured to accommodate said first unit and said second unit,
wherein said first unit is movable with respect to said second unit so as to approach to and move away from said upper frame in a vertical direction.