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:
May. 21, 2013
Filed:
Sep. 24, 2010
Takao Hyakudome, Nagoya, JP;
Goro Okada, Nagoya, JP;
Akira Nishio, Kiyosu, JP;
Tomoyuki Fujita, Tajimi, JP;
Takao Hyakudome, Nagoya, JP;
Goro Okada, Nagoya, JP;
Akira Nishio, Kiyosu, JP;
Tomoyuki Fujita, Tajimi, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
An ink refilling device including a supply portion to be connected to an ink cartridge and supply ink, an ink tank, a first connecting tube having one end connected to the ink tank, a three-way switching valve including an input end connected to the other end of the first connecting tube, a first output end and a second output end, and adapted to switch between a first flow path from the input end to the first output end and a second flow path from the input end to the second output end, a second connecting tube having one end connected to the first output end and the other end connected to the supply portion, a third connecting tube having one end connected to the second output end and the other end connected to the ink tank, and a feed pump provided along the first connecting tube to feed the ink.