Ink jet recording head having a window for observation of electr

Details Ink jet recording head having a window for observation of electr Ink jet recording head having a window for observation of electr

1990-09-17

1992-11-10

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346 75, 439488, B41J 205

Patent

active

051628180

ABSTRACT:
An ink jet apparatus includes an ink jet recording head having a housing, an ink container in the housing for containing ink, ejection outlets for ejecting the ink supplied from the ink container, and energy generating elements for generating energy contributable to the ejection of the ink through the ejection outlets, the housing being provided with a cavity. The ink jet recording head further comprises electric contacts for supplying the energy, the contacts being provided on a wall defining the cavity and a carriage on which the ink jet recording head is mounted, the carriage being provided with a contact member having electric contacts for electric coupling with the aforementioned contacts. The ink jet recording head is mounted on the carriage with the contact member being in the cavity. The housing is provided with a window extending from a cavity to permit observation of the contact member.

REFERENCES:
patent: 4329698 (1982-05-01), Smith
patent: 4596991 (1986-06-01), Adomkaitis et al.
patent: 4633274 (1986-12-01), Matsuda
patent: 4635080 (1987-01-01), Watanabe
patent: 4671597 (1987-06-01), Grill
patent: 4734717 (1988-03-01), Rayfield
patent: 4771295 (1988-09-01), Baker et al.
patent: 4820193 (1989-04-01), Noorily
patent: 4881318 (1989-11-01), Komuro et al.
patent: 4902244 (1990-02-01), Endo et al.
patent: 4963897 (1990-10-01), Kattner

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