Method and apparatus for priming an ink jet pen

Details Method and apparatus for priming an ink jet pen Method and apparatus for priming an ink jet pen

1988-09-20

1991-03-05

Reinhart, Mark J.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, G01D 1516, B41J 2165

Patent

active

049981153

ABSTRACT:
A method and apparatus for priming a thermal ink jet pen is disclosed. Using an ink reservoir fabricated of a foam material, forced air pressure applied to the foam causes ink therein to flow through the foam and into the printhead. A holder for a rubber air bladder operates in conjunction with a pen cartridge holder whereby an air hole in the reservoir container is aligned with the bladder. Manually pushing the cartridge against a spring results in a squeezing of the bladder, causing air to exert a compression-like pressure directly on the foam reservior.

REFERENCES:
patent: 3747120 (1973-07-01), Stemme
patent: 4170016 (1979-10-01), Geil
patent: 4306245 (1981-12-01), Kasugayama et al.
patent: 4479136 (1984-10-01), Lewis et al.
patent: 4500895 (1985-02-01), Buck et al.
patent: 4517577 (1985-05-01), Miranda
patent: 4558326 (1985-12-01), Kimura et al.
patent: 4573819 (1986-03-01), Herrnring
patent: 4714937 (1987-12-01), Kaplinsky

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