Thermal ink jet nozzle arrays

Details Thermal ink jet nozzle arrays Thermal ink jet nozzle arrays

1991-12-09

1993-10-26

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 205, B41J 2155

Patent

active

052570436

ABSTRACT:
A thermal ink jet nozzle array comprises a support bar having two major opposing faces parallel to each other and spaced apart by a known thickness and a linear series of modular multi-nozzle printhead units on each support bar face. The series of modular printhead units are spaced apart from each other by equal and known distances, and the series on each support bar face are in a staggered relationship to each other, so that each end nozzle of each intermediate printhead unit is spaced laterally from the respective end nozzle of the nearest printhead unit in the other series by a distance equal to the inter-nozzle spacing of each printhead unit. The row of nozzles of each printhead unit is accurately and releasably positioned on the support bar by mechanical contact of the printhead unit itself against either external jigging or patterned features permanently fabricated on the support bar faces.

REFERENCES:
patent: 4520373 (1985-05-01), Ayata et al.
patent: 4559543 (1985-12-01), Toganoh et al.
patent: 5057854 (1991-10-01), Pond et al.
patent: 5065170 (1991-11-01), Rezanka et al.

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