The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2026
Filed:
Jun. 14, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Ran Kudo, Tokyo, JP;
Tetsuji Suzuki, Kanagawa, JP;
Ryosuke Araki, Kanagawa, JP;
Yoshiyuki Inamoto, Kanagawa, JP;
Shu Kurihara, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A printing apparatus including a plurality of print heads configured to eject liquid, a maintenance unit configured to perform maintenance on the plurality of printheads and detachable units provided in correspondence to the plurality of printheads and each including a negative pressure tank used for suction by the maintenance unit and a pump for generating negative pressure, wherein the detachable units each includes a valve configured to open and to close a flow channel and wherein the negative pressure tank is disposed at a location lower than the valve and the pump in a direction of gravitational force.