Patent · US Expired

Ribbon lifting mechanism

US4022313A · kind A · utility

7Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1975
Grant dateMay 10, 1977
Priority date
Expiry dateNov 19, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J35/14
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In a printer wherein a ribbon is driven against a platen by a print element there is provided a ribbon lifting mechanism having a one revolution motor which drives, via a n-to-1 reduction gear, a ribbon guide to pivot to different positions whereby different transverse portions of the ribbon are interposed between the impact region of the print element and the platen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.