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:
Jan. 10, 2017
Filed:
Aug. 07, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Yasuyuki Tamura, Yokohama, JP;
Toru Nakakubo, Kawasaki, JP;
Yohei Nakamura, Hiratsuka, JP;
Naoto Sasagawa, Kawasaki, JP;
Toshio Suzuki, Sagamihara, JP;
Yasuto Kodera, Fujisawa, JP;
Ryota Kashu, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head including plural liquid discharge portions each including a discharge port for discharging liquid, plural discharge ports forming a discharge port array; a common liquid supply flow path extending adjacent to the discharge port array on one side of the discharge port array; and a common liquid collection flow path extending adjacent to the discharge port array on the other side of the discharge port array. Each liquid discharge portion includes a pressure chamber having the discharge port, and a piezoelectric element facing the discharge port. The pressure chamber includes an inlet and an outlet end portion respectively connected to the common liquid supply and collection flow paths, and has an elongated shape connecting the inlet and outlet end portions. A plurality of inlet and outlet end portions are respectively arranged along the common liquid supply flow path and the common liquid collection flow path.