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:
Mar. 25, 2003
Filed:
Feb. 01, 2001
Akira Kuribayashi, Kanagawa, JP;
Tadayoshi Inamoto, Tokyo, JP;
Yoshiaki Kaburagi, Kanagawa, JP;
Hiroyuki Saito, Tokyo, JP;
Ako Takemura, Saitama, JP;
Hiroshi Yoshino, Kanagawa, JP;
Mariko Suzuki, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention facilitates a supply of ink with a structural components at relatively low costs. It is performed by shifting a printing head having ink ejecting portion and sub tank portion into a state of reduced pressure. That is, draining ink from the sub tank portion to the outside and supplying ink from an ink storage container to the sub ink portion are performed by a reduced pressure in the printing head. Also, a carriage on which the printing head can be mounted shifts its position, and a plurality of ink receiving portions communicated with a plurality of their relative sub ink tank and a plurality of ink supplying portions communicated with a plurality of their relative main ink tanks are arranged in a predetermined manner. That is, the plurality of sub ink tanks and a plurality of main ink tanks are communicated together on a pair basis.