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:
Feb. 26, 2008
Filed:
Nov. 19, 2004
Toyonori Sasaki, Anjo, JP;
Shingo Hattori, Tsushima, JP;
Tomohiro Kanbe, Bisai, JP;
Atsuhiro Takagi, Kariya, JP;
Toyonori Sasaki, Anjo, JP;
Shingo Hattori, Tsushima, JP;
Tomohiro Kanbe, Bisai, JP;
Atsuhiro Takagi, Kariya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
An ink cartridge includes an ink chamber; a communication chamber that is capable of communicating with the ink chamber; a valve that is movable; a support disposed within the communication chamber, the support including a valve seat and an opening exposing a bottom of the valve at an approximately central portion, wherein the valve seat is adjacent to the valve at an outer periphery of the opening; and an urging device that extends from the valve seat, the urging device directly contacting the valve and urging the valve toward the valve seat, wherein the valve separates from the valve seat when a predetermined force is applied to the valve and the support and the urging device are formed as a one-piece member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile