US 12,434,940 B2
Printing apparatus
Motoyuki Taguchi, Tokyo (JP); Masaaki Matsuura, Kanagawa (JP); Noriyuki Sugiyama, Kanagawa (JP); Junichi Kubokawa, Nagasaki (JP); Yasunori Matsumoto, Kanagawa (JP); Yumi Mukoyama, Tokyo (JP); Takahiro Kiuchi, Tokyo (JP); Kyosuke Kamishima, Kanagawa (JP); Haruo Uchida, Tokyo (JP); Keisei Hakamata, Kanagawa (JP); Takaaki Ishida, Kanagawa (JP); and Shoichi Kan, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 8, 2023, as Appl. No. 18/313,851.
Claims priority of application No. 2022-087099 (JP), filed on May 27, 2022.
Prior Publication US 2023/0382673 A1, Nov. 30, 2023
Int. Cl. B65H 85/00 (2006.01); B65H 3/44 (2006.01); B65H 5/26 (2006.01); B65H 29/60 (2006.01)
CPC B65H 85/00 (2013.01) [B65H 3/44 (2013.01); B65H 5/26 (2013.01); B65H 29/60 (2013.01); B65H 2405/332 (2013.01); B65H 2511/11 (2013.01); B65H 2511/414 (2013.01); B65H 2513/42 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A printing apparatus comprising:
a printing unit configured to perform printing at a printing position on a print medium conveyed in a conveyance direction;
a first conveyance path configured to cause the print medium to pass through the printing position of the printing unit;
a first conveyance roller provided on the upstream side of the printing position on the first conveyance path and configured to convey a first print medium to the printing position;
a second conveyance path configured to branch from the first conveyance path at a first branching point on a downstream side of the printing position in the conveyance direction and merges into the first conveyance path on an upstream side of the printing position;
a second conveyance roller provided on a downstream side of the first branching point on the first conveyance path and capable of changing an advancing direction of the first print medium, a first surface of which has been printed by the printing unit, to a reverse direction that is reverse to a direction in a case in which a second surface, which is opposite to the first surface, of the first print medium is to be printed by the printing unit;
a first flapper provided between the printing position and the second conveyance roller and capable of switching, at the first branching point, an entry destination of the first print medium conveyed in the reverse direction by the second conveyance roller to the second conveyance path; and
a third conveyance path configured to branch from a second branching point on the second conveyance path and merge into the first conveyance path on the upstream side of the printing position.