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. 07, 2003
Filed:
Apr. 17, 2001
Hideaki Okamoto, Kanagawa, JP;
Yohji Ara, Kanagawa, JP;
Hiroyuki Inoue, Kanagawa, JP;
Hideo Fukazawa, Kanagawa, JP;
Tetsuji Kurata, Kanagawa, JP;
Hirofumi Hirano, Kanagawa, JP;
Hiroshi Netsu, Kanagawa, JP;
Masaya Uetsuki, Kanagawa, JP;
Hiroki Hayashi, Kanagawa, JP;
Noriyasu Asaki, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A joint device includes a supply pipe having an ink supply port, a closing device for opening and closing the ink supply port, a deformation device for deforming the closing device and an urging device for urging the deformation device. An ink jet recording apparatus includes the above joint device, a supply pipe, a closing device, a deformation device, and an urging device. An ink supplying device includes a negative-pressure introducing device introducing negative pressure into the ink tank an ink supplying device supplying the ink to the ink tank, a gas-liquid separating device provided between the ink tank and the negative-pressure introducing device, for transmitting gases therethrough while not transmitting the ink therethrough, and an isolation device separating the negative-pressure introducing path.