Rounded capillary vent system for ink-jet printers

Details Rounded capillary vent system for ink-jet printers Rounded capillary vent system for ink-jet printers

1993-02-09

1996-05-14

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 36, B41J 2165

Patent

active

055172202

ABSTRACT:
A capillary vent system for a service station cap system in an ink-jet printer having a basin formed on a substantially planar surface mounted on the under side of a nylon sled subjacent a cap for a printhead mounted on the top surface of the sled which serves as a cover for the basin. A vent is defined between a semicircular groove formed on the under side of the basin cover such that the vent is in fluid communication with the basin and has a lower surface substantially coplanar with the underside of the cover. The vent extends from the edge of the cover to a location over the basin. Ink from the printhead collects in the basin and at least some of the collected ink drains through the vent. The vent forms a capillary space between the basin member and the basin cover to draw the collected ink in, thus preventing vent clogging.

REFERENCES:
patent: 4589000 (1986-05-01), Koto et al.
patent: 4684963 (1987-08-01), Naka
patent: 5027134 (1991-06-01), Harmon et al.
patent: 5216449 (1993-06-01), English

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