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:
Oct. 28, 2025
Filed:
Nov. 21, 2023
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Rie Joboji, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
There is provided an ink discharging apparatus including: a tank configured to store an ink; a head configured to discharge the ink supplied from the tank; a supply pipe connecting the tank and the head; a pump arranged in the supply pipe, the pump being configured to transfer the ink from the tank to the head; a pipe branching upward from the supply pipe; and a pressure sensor connected to an upper end part of the pipe. The pipe has an upper tube part and a lower tube part continuous with the upper tube part. A first cross-sectional area of an internal space of the upper tube part is greater than a second cross-sectional area of an internal space of the lower tube part.