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:
Apr. 28, 1981
Filed:
May. 25, 1979
Applicant:
Inventors:
Kiyoyuki Arai, Tokyo, JP;
Shigeo Kinoshita, Tokorozawa, JP;
Assignee:
Copal Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400121 ; 101 9304 ; 400124 ;
Abstract
The device for driving dot printing bars in a dot printer comprises at least one dot printing bar movable between two positions, an electromagnetic device controlling the operation timing of the bar, a periodically reciprocal operation member operable when the electromagnetic device is made conductive and means operable to shift the dot printing position of the bar whereby the bar springs out to effect dot printing in response to the operation of the operation member when the electromagnetic device is energized to attract the operation member thereto.