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:
Aug. 23, 1994
Filed:
Nov. 24, 1992
Applicant:
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ; B41M / ;
U.S. Cl.
CPC ...
40012425 ; 400237 ; 106 / ; 252 11 ;
Abstract
The present invention provides an impact dot printer free from the missing of dots. An impact dot printer for recording dots on a recording medium comprises a printer wire having a printer end, a guide member for supporting the printing wire, an ink ribbon which contains an ink composition comprising a dye and a solvent and is positioned between the printing end of the printing wire and the recording medium. The printer also has a lubricant containg an oil component in the guide member for permitting the printing wire to be easily moved. The solubility of the solvent for the dye in the oil component of the lubricant is more than 400 g/100 g of oil.