Patent · US Expired

Print head with integrated pump

US5764258A · kind A · utility

29Cited by

5References

10Claims

0Family size

Assignee

EASTMAN KODAK COMPANY · US

Inventors

Ulrich Hetzer · Berlin, DE
Andre-Heinrich Meinhof · Rheinstetten, DE

Key dates

Filing date	Aug 2, 1995
Grant date	Jun 9, 1998
Priority date	—
Expiry date	Aug 2, 2015

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2/17
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A print head consists of an ink chamber with heater elements and orifices. Connected to the ink chamber is a pump chamber which is supplied with ink through an ink supply opening. The ink chamber and the pump chamber are enclosed between a first and a second end plate. The pump element is integrated within the pump chamber which forms part of the print head and there are divider elements and valve elements arranged lengthways along both sides of the pump element.

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