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:
Nov. 09, 1993
Filed:
May. 11, 1990
Osamu Naruse, Kanagawa, JP;
Minoru Ameyama, Kanagawa, JP;
Syuzo Matsumoto, Kanagawa, JP;
Hiromichi Komai, Kanagawa, JP;
Tositaka Hirata, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid jet recording head includes a flow path member having a plurality of flow paths, each of the plurality of flow paths having an opening surface which opens on the flow path member, an piezo-electric member having a plurality of grooves and piezo-electric elements, each of the piezo-electric elements being formed between adjacent two grooves of the plurality of grooves, the piezo-electric member being connected to the flow path member so that each of the piezo-electric elements is faced to the opening of one of the plurality of flow paths, an elasticity member being filled in each of the plurality of grooves formed on the piezo-electric member, a liquid guide mechanism guiding, to each of the plurality of flow paths, liquid which is supplied by an external liquid supplying mechanism, and jet orifices, each of the jet orifices being provided to an end portion of one of the plurality of flow paths.