Diaphragm cap system for ink-jet printers

Details Diaphragm cap system for ink-jet printers Diaphragm cap system for ink-jet printers

1991-07-29

1992-09-08

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, B41J 2165

Patent

active

051462435

ABSTRACT:
A birdirectionally movable carriage in an ink-jet printer contains either a color or a black ink cartridge. When a color cartridge is mounted on the carriage, a rotatable service station having both color and black cartridge service stations mounted thereon rotates to position the color service station adjacent the travel path of the color cartridge. A cap on the color service station includes a lip for sealing against the color cartridge and a flexible diaphragm which flexes to minimize pressure differentials between the interior and exterior of the cap. Because ink vapor diffusion through the diaphragm is possible, a diffusion vent is provided to a chamber on the side of the diaphragm exposed to the exterior of the cap. The diffusion vent permits diaphragm flexing while inhibiting ink vapor diffusion from the cap.

REFERENCES:
patent: 4437105 (1984-03-01), Mrazek et al.
patent: 4511906 (1985-04-01), Hara
patent: 4589000 (1986-05-01), Koto et al.
patent: 4638336 (1987-01-01), Hofmann
patent: 4684963 (1987-08-01), Naka
patent: 4853717 (1989-08-01), Harmon et al.
patent: 4970534 (1990-11-01), Terasawa et al.
patent: 5027134 (1991-06-01), Harmon et al.

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