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:
Sep. 08, 1981
Filed:
May. 09, 1980
Shunichi Uzawa, Naka, JP;
Shigeyuki Matsumoto, Kawasaki, JP;
Minoru Miyazaki, Kawasaki, JP;
Akio Iijima, Yokohama, JP;
Kunio Watanabe, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid jet recording head used for a liquid jet recording device conducting recording by projecting a liquid droplet to a predetermined direction comprises recording head elements each of which comprises an inflow port side end portion having an inflow port for the liquid, an ejecting orifice side end portion having an ejecting orifice for ejecting the liquid at the end, a pressure generating portion existing between the inflow port side end portion and the ejecting orifice side end portion and communicating with them, and an electromechanical transducer connected to the pressure generating portion and capable of changing the inner pressure of the liquid in the pressure generating portion; and a jig comprising grooves for fixing the recording head elements and electric contacts for applying electric signals to the electromechanical transducer, the recording head element being pressed from two directions to be fixed to the groove and an electric contact being established between the electromechanical transducer and the jig.