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:
Oct. 12, 1999
Filed:
Sep. 22, 1997
Tsuyoshi Orikasa, Musashimurayama, JP;
Tsunenobu Satoi, Yokohama, JP;
Seiji Suzuki, Kawasaki, JP;
Seiichiro Karita, Yokohama, JP;
Masahiko Higuma, Tohgane, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This invention relates to an assembly method, for head units mounting a plurality of head chips for discharging ink onto a frame, in which relative positions among head chips are determined and which the head chips are secured onto the frame so as to maintain the relative positions, to an assembly apparatus for head units based on the method, and further to an ink jet output apparatus incorporating those head units. According to this invention, correction by each image output will not be required because the head unit is able to complete adjustments of shifts of arrival positions of ink at its assembling stage, thereby making the apparatus compact and simple. In addition, correction of positional shifts will not be required when the heads are replaced, so that maintenance of the ink jet output apparatus will be easy.