Patent · US Expired

Ink jet recording apparatus

US6168254A · kind A · utility

12Cited by
24References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 1997
Grant dateJan 2, 2001
Priority date
Expiry dateAug 25, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2202/21
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An ink jet recording head includes a plurality of ink ejection outlets, a first member having a plurality of grooves in fluid communication with the ejection outlets, respectively, a second member having a plurality of energy generating elements for producing energy for ejecting ink in the grooves through the ejection outlets, and a clamping unit for clamping the first member with the second member to constitute ink passages with the grooves, wherein the clamping unit has a plurality of pressure regulating mechanism pressure regulating mechanisms, which are independently operable.

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