Composite support beam for printhead assembly

Details Composite support beam for printhead assembly Composite support beam for printhead assembly

2006-06-13

2006-06-13

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07059706

ABSTRACT:
A printhead assembly for an inkjet printer, the printhead assembly comprising:a support member (3) for mounting the printhead assembly within an inkjet printer;a plurality of printhead modules (2) mounted to the support member (3). The support member (3) has a first component (6) and a second component (5); wherein,the first component (6) has a coefficient of thermal expansion that differs from the coefficient of thermal expansion of the printhead modules (2). The second component (5) has a coefficient of thermal expansion that differs from the coefficient of thermal expansion of the first component (6) to give the printhead assembly (1) an overall coefficient of thermal expansion that matches, or is closer to, that of the modules (2) so that aligning the printing from each of the individual modules (2) is easier.

REFERENCES:
patent: 5528272 (1996-06-01), Quinn et al.
patent: 5734394 (1998-03-01), Hackleman
patent: 6260951 (2001-07-01), Harvey et al.
patent: 6652071 (2003-11-01), Silverbrook
patent: 6802594 (2004-10-01), Silverbrook
patent: 11-010861 (1999-01-01), None
patent: 2000-280496 (2000-10-01), None
patent: WO 99/65691 (1999-12-01), None
Derwent Abstract Acc No. 20000-676139/66,JP 2000280496 (Tokyo Elec Co Ltd) Oct. 10, 2000*.
Derwent Abstract Acc No. 99-147317/13, JP 11-010861A (Brother Kogyo KK) Jan. 19, 1999*.

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