Patent · US Expired

Wire dot print head

US4993854A · kind A · utility

17Cited by
1References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 13, 1989
Grant dateFeb 19, 1991
Priority date
Expiry dateDec 13, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/235
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A wire dot printer includes a print head which is more reliable and better controls a gap between a magnetic pole and a print lever. The print head includes a core block and nose block. The core block includes a projection for regulating oscillations of a print lever at its inner central portion. A print lever drive coil for each print lever is formed on the core block about the projection. The nose block includes a disk member which is mounted opposed to the core block. A print lever is movably supported between the nose block and core block.

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