Printhead chassis assembly

Details Printhead chassis assembly Printhead chassis assembly

2006-01-24

2006-01-24

Hirshfeld, Andrew H. (Department: 2854)

Typewriting machines

Typewriter controls other information recorder

C347S085000, C347S086000, C347S013000

Reexamination Certificate

active

06988840

ABSTRACT:
Provided is a printhead chassis assembly for a chip based printhead. The chassis supports two spaced apart bearing moldings between which extend a feed roller and an exit roller. The chassis supports a duct cover in which is formed a number of inlet ports which are adapted to receive liquid ink. The duct cover seals against a distribution molding. The distribution molding has a longitudinal axis and a number of elongated ducts running in parallel along the axis. Each duct is associated with a port. All of the ducts are sealed against and in fluid communication with an upper layer of a laminated ink distribution structure. The laminated ink distribution structure has a first layer and a number of subsequent layers, each subsequent layer having vertical passages and transverse channels for bringing a fluid from a duct, via the first layer, to one of a number of printhead chips.

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