Ink jet recording head

Details Ink jet recording head Ink jet recording head

1995-08-03

1998-05-05

Malley, Daniel P.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 40, 347 71, B41J 245

Patent

active

057482144

ABSTRACT:
An ink supply communication path is formed so that one end thereof is arranged outside a region confronting a pressure producing chamber at a region confronting a reservoir chamber; and an ink supply constricted port is arranged at a portion of the ink supply communication path, the portion being remotest from the pressure producing chamber. Since the pressure producing chamber is connected to the ink supply constricted port through the elongated ink supply communication path, a jet flow from the ink supply constricted port grows into a large flow along the ink supply communication path, which in turn allows air bubbles susceptible to stagnation in the vicinity of the ink supply constricted port to be discharged by such large flow.

REFERENCES:
patent: 4680595 (1987-07-01), Cruz-Uribe et al.
patent: 4695854 (1987-09-01), Cruz-Uribe
patent: 4730197 (1988-03-01), Raman et al.
patent: 5155498 (1992-10-01), Roy et al.
patent: 5495270 (1996-02-01), Burr et al.
European Search Report.

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