Patent · US Expired

Recording head having stress-minimizing construction

US5189443A · kind A · utility

26Cited by
7References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1992
Grant dateFeb 23, 1993
Priority date
Expiry dateJun 29, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/1637
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet cartridge includes a top plate having an orifice plate in which ejection outlets for permitting ejection of ink are formed and a portion for defining ink passages communicating with the ink ejection outlets, a heater board joined with the top plate to define the ink passage, a thin plate having a connecting region for pressing and fixing the orifice plate to the heater board, and an ink container for containing the ink to be supplied to the ink passages, wherein the thin plate is connected with the orifice plate on at least one of four sides of the orifice plate.

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