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:
Feb. 04, 1992
Filed:
Dec. 11, 1989
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
400171 ; 4001442 ;
Abstract
A printer of the automatically interchangeable character wheel type includes a platen formed lengthwise of the printer to support one surface of a printing sheet, and a carriage guided so as to be reciprocally movable along the platen. The carriage carries thereon contain a housing for containing a character wheel therein, a first shift device for shifting the character wheel in the containing housing to a printing position, a printing hammer for impacting the characters of the character wheel in the printing position, and a second shift device for shifting an ink ribbon to a first position for printing and a second position for standby by the same motor that drives the first shaft device.