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. 18, 1988
Filed:
Aug. 25, 1986
Applicant:
Inventors:
Shinichi Watahiki, Ibaraki, JP;
Takanobu Agake, Ibaraki, JP;
Nobuhiko Itoh, Ibaraki, JP;
Masaaki Koseki, Ibaraki, JP;
Assignee:
Hitachi Koki Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400719 ; 101 9305 ; 400125 ; 400174 ;
Abstract
A cooled print hammer assembly in which a plurality of hammer coils are formed in a resin member having a recess in which is placed a cooling fin. The opened faces of the fins are placed adjacent a plate of the frame of the print hammer assembly so that closed forced-air ducts are defined by the fins and the frame plate. Additionally, partitions may be placed on the sides of the fins so that the external sides of the fins are cooled.