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. 27, 1984
Filed:
Aug. 05, 1982
Applicant:
Inventors:
Assignee:
Citizen Watch Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ;
U.S. Cl.
CPC ...
101 9305 ; 101 9348 ; 400121 ; 4001572 ;
Abstract
A stylus driving apparatus for an impact dot line printer is provided with a magnetic first yoke adjacent one side of a permanent magnet, a plurality of magnetic cores each having an exciting coil, a plurality of magnetic leaf springs disposed adjacent to a tip end of each core at a free end thereof, an armature secured to the free end of the leaf spring, and a magnetic second yoke diposed on the other side of the permanent magnet. The second yoke has a plurality of recesses. In the waiting position where the free end of the leaf spring is attracted to the tip end of the core, at least a part of the armature is surrounded by the inner wall of the recess of the second yoke.