Ink pressure regulator for a thermal ink jet printer

Details Ink pressure regulator for a thermal ink jet printer Ink pressure regulator for a thermal ink jet printer

1994-09-07

1996-07-30

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

055416322

ABSTRACT:
An ink pressure regulator for use inside of a flexible ink bag reservoir for a replaceable or refillable ink cartridge comprises a bow spring (60) configured to have substantially linear force/deflection characteristics and a pair of plates (40, 50) which collapse to a substantially flat shape to minimize the amount of ink remaining after printing has depleted the ink from the cartridge. The regulator may be manufactured of one or aplurality of separate pieces.

REFERENCES:
patent: 4412232 (1983-10-01), Weber et al.
patent: 4422084 (1983-12-01), Saito
patent: 4456916 (1984-06-01), Kocot
patent: 4503443 (1985-03-01), Dagna et al.
patent: 4992802 (1991-02-01), Dion et al.
patent: 5434603 (1995-07-01), Hunt

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