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:
May. 02, 1978
Filed:
Mar. 07, 1977
Applicant:
Inventor:
Edward S Wu, Chelmsford, MA (US);
Assignee:
Wang Laboratories, Inc., Lowell, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400 57 ; 101 9305 ; 400 59 ; 400124 ;
Abstract
A printer is disclosed which has an adjustable support for the print head assembly, either or both for changing the spacing between the print head and paper supporting surface to accommodate multiple sheets of paper and to facilitate paper and ribbon changing and for changing the vertical position of the print head into one of two or more discrete positions to effectively at least double the number of dot positions available for printing from the print head wire array.