Patent · US Expired

Dot matrix print head

US4501506A · kind A · utility

6Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1983
Grant dateFeb 26, 1985
Priority date
Expiry dateFeb 25, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/265
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A wire matrix print head includes a generally circular portion for supporting a plurality of electromagnetic actuators and their associated armatures for driving print wires which are supported and guided in a nose portion of the housing a precise distance from a non-printing to a printing position. The print wire support and guide system is assembled separately from the main body of the print head to facilitate the insertion of the print wires.

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