Back to results
US 2006/0221116 A1Published application
Liquid-jet head unit and liquid-jet apparatus
AssigneeSeiko Epson Corporation
InventorYoshinao Miyata
Life of this patent
Estimating the term…
Abstract
Disclosed are a liquid-jet apparatus, and the liquid-jet head unit including: a liquid-jet head in which nozzle orifices for ejecting ink droplets are arranged in parallel lines; and a head case fixed to the liquid-jet head. A linear expansion coefficient in a reference direction, which is a direction in which the nozzle orifices of the head case are arranged in parallel lines, is set less than a linear expansion coefficient thereof in a direction orthogonal to the reference direction.
Claims12
A liquid-jet head unit, comprising:
- an liquid-jet head in which nozzle orifices for ejecting ink droplets are arranged in parallel lines to each other;
- and
- a head case fixed to the liquid-jet head,
- wherein a linear expansion coefficient of the head case in a reference direction, which is a direction in which the nozzle orifices of the head case are arranged in parallel lines, is set less than a linear expansion coefficient thereof in a direction orthogonal to the reference direction.
1 more element
Dependencies are inferred from the claim text.