US RE50,645 E1
Ink jet recording apparatus
Hideaki Matsumura, Tokyo (JP); Koki Shimada, Kanagawa (JP); Yusuke Tanaka, Kanagawa (JP); Takahiro Kiuchi, Tokyo (JP); Masaya Shimmachi, Kanagawa (JP); Yukimichi Kimura, Kanagawa (JP); Junichi Kubokawa, Nagasaki (JP); and Kyohei Sato, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Apr. 20, 2022, as Appl. No. 17/725,082.
Application 17/725,082 is a continuation of application No. 15/335,277, filed on Oct. 26, 2016, granted, now 10,131,154, issued on Nov. 20, 2018.
Application 17/725,082 is a reissue of application No. 16/155,611, filed on Oct. 9, 2018, granted, now 10,625,514, issued on Apr. 21, 2020.
Claims priority of application No. 2015-214967 (JP), filed on Oct. 30, 2015.
This patent is subject to a terminal disclaimer.
Int. Cl. B41J 2/175 (2006.01); B41J 29/02 (2006.01); B41J 29/13 (2006.01); B41J 29/38 (2006.01)
CPC B41J 2/17596 (2013.01) [B41J 2/175 (2013.01); B41J 2/17509 (2013.01); B41J 2/1752 (2013.01); B41J 29/02 (2013.01); B41J 29/13 (2013.01); B41J 29/38 (2013.01)] 48 Claims
OG exemplary drawing
 
[ 15. An ink jet recording apparatus comprising:
a recording head configured to eject ink to record an image;
an ink tank provided in an apparatus body of the ink jet recording apparatus, including an ink storage portion for storing ink and a filling portion for supplying ink into the ink storage portion;
a first cover member configured to be movable to a first position where the filling portion is not exposed and a second position where the filling portion is exposed;
an air communication port configured to communicate the ink storage portion with air; and
a switching portion configured to switch between a state in which air enters the ink tank through the air communication port in a case where the first cover member is in the first position and ink in the ink storage portion is reduced, and a state in which air leaves the ink storage portion from a port which is different from the air communication port in a case where the first cover member is in the second position. ]