Patent · US Expired

Dot matrix type printer

US4306497A · kind A · utility

10Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 1979
Grant dateDec 22, 1981
Priority date
Expiry dateJul 6, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/245
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An improved dot matrix type printer including a carriage mechanism for a printer head having a plurality of printer elements aligned immediately before a platen adapted to carry a sheet of paper to be printed and along a direction parallel to the axis of the platen, the carriage mechanism comprising a balancing mass, a first resilient member which is adapted to connect the balancing mass to the printing head, and a second resilient member which is adapted to connect the balancing mass to a base structure member.

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