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:
Mar. 03, 1987
Filed:
Dec. 06, 1985
Applicant:
Inventors:
Takashi Moriya, Tanashi, JP;
Makoto Yasunaga, Tanashi, JP;
Masahiko Ueda, Tanashi, JP;
Tetsuya Yamamoto, Tanashi, JP;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400124 ; 101 9305 ;
Abstract
A dot matrix print head comprises a print wire unit in which a plurality of print wires are slidably mounted, an electromagnet unit having a plurality of electromagnets, and an armature unit secured to the electromagnet unit. The armature unit has a cover, a spring plate having a plurality of projections, and a plurality of armatures. Each armature has a projection which is engaged with a hole formed in a sub-yoke. The engagement of the projection is kept by the projection of the spring plate.