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US 2021/0197571 A1Published application
Input/output (i/o) design of a printhead allowing for daisy-chaining
AssigneeRicoh Company, Ltd.
InventorHiroshi Nishimura
Life of this patent
Estimating the term…
Abstract
Printheads for a jetting apparatus. In one embodiment, a printhead comprises a plurality of jetting channels having nozzles on a bottom surface configured to jet a print fluid, and longitudinal sides disposed between the bottom surface and a top surface. The printhead also comprises Input/Output (I/O) ports disposed on one or more of the longitudinal sides, and configured to convey the print fluid into or out of the printhead. The printhead further includes one or more chain manifolds disposed between the I/O ports.
Claims20
A printhead comprising:
- a head member that forms a plurality of jetting channels;
- wherein the head member includes:
- a housing and a plate stack attached to the housing, wherein the plate stack forms a diaphragm, a restrictor, a pressure chamber, and a nozzle for each of the jetting channels;
- a bottom surface that includes nozzles of the jetting channels arranged in one or more rows;
- longitudinal sides disposed transverse to the bottom surface and opposite one another;
- and
- Input/Output (I/O) ports disposed on at least one of the longitudinal sides that are fluidly coupled to the jetting channels.
4 more elements
A jetting apparatus comprising:
- a plurality of printheads;
- wherein each of the printheads comprises a head member that forms a plurality of jetting channels;
- wherein the head member includes:
- a housing and a plate stack attached to the housing, wherein the plate stack forms a diaphragm, a restrictor, a pressure chamber, and a nozzle for each of the jetting channels;
- a bottom surface that includes nozzles of the jetting channels arranged in one or more rows;
- longitudinal sides disposed transverse to the bottom surface and opposite one another;
- and
- Input/Output (I/O) ports disposed on at least one of the longitudinal sides that are fluidly coupled to the jetting channels.
5 more elements
Dependencies are inferred from the claim text.