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. 04, 2004
Filed:
Jul. 09, 2002
Hirotoshi Eguchi, Kanagawa, JP;
Shuzo Matsumoto, Kanagawa, JP;
Kenichi Ogata, Kanagawa, JP;
Kiyoshi Yamaguchi, Kanagawa, JP;
Takayuki Hiyoshi, Kanagawa, JP;
Mitsuru Shingyohuchi, Kanagawa, JP;
Masanori Kusunoki, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid drop jet head includes a nozzle, a liquid room, a vibration board forming a wall surface of the liquid room, driving element, a support substrate to which an end part of the driving element is connected without connecting to the vibration board, and a gap between the support substrate and the vibration board at a position corresponding to a partition of the liquid room, wherein the vibration board includes a thin part and a thick part and the area of the thin part is divided by the thick part with which the driving element comes in contact.