Patent · US Expired

Ink jet recording apparatus

US4539569A · kind A · utility

8Cited by
8References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1983
Grant dateSep 3, 1985
Priority date
Expiry dateOct 20, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/1728
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet recording apparatus has an improved head plate having a plurality of recording heads, a plurality of openings corresponding to the outlet port of each recording head, and a guide groove to lead ink liquid from the openings to a discharge port, the guide groove being gradually tapered downwardly to the discharge port.

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