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US 6,206,499 B1Granted
Ink-jet recording head
AssigneeSeiko Epson Corporation
InventorsTakayuki Iijima, Koji Morikoshi
Life of this patent
Estimating the term…
Abstract
An inkjet recording head including a head cover for protecting the recording head. The head cover includes a notch formed at a top portion thereof which exposes a side portion of the nozzle plate of the ink-jet recording head so that a wiping blade can effectively wipe a top surface of a nozzle plate without interference by the head cover.
Claims27
An ink-jet recording head comprising:
- a casing;
- a nozzle plate provided on the casing and having a plurality of nozzle orifices formed therein;
- a channel forming substrate provided between the nozzle plate and casing for ejecting ink drops from the nozzle orifices by use of a pressure generator and
- a head cover having side walls which cover side faces of the casing and an overlapping portion which covers edge portions of a top face of the nozzle plate,
- wherein a wiping space is situated above at least one of said side walls of said head cover.
2 more elements
An ink-jet recording head comprising:
- a casing;
- a channel unit attached to said casing;
- a nozzle plate provided on said channel unit, said nozzle plate having a plurality of orifices formed therein arranged in an arrangement direction;
- a head cover fixed to said casing, wherein said head cover includes overlapping portions which cover a first portion of a top surface of said nozzle plate, a sidewall covering a side portion of said channel unit;
- and
- a notch formed in said sidewall of said head cover, such that said sidewall is positioned at or below said top surface of said nozzle plate in a thickness direction of said nozzle plate.
3 more elements
An ink-jet recording head comprising:
- a casing;
- a channel unit attached to said casing;
- a nozzle plate provided on said channel unit, said nozzle plate having a plurality of orifices formed therein arranged in an arrangement direction;
- a head cover fixed to said casing, wherein said head cover includes overlapping portions which cover a first portion of a top surface of said nozzle plate, wherein other portions of said top surface of said nozzle plate are not covered by said head cover.
1 more element
An ink-jet recording head comprising:
- a casing;
- a nozzle plate provided on the casing and having a plurality of nozzle orifices formed therein.;
- a channel forming substrate provided between the nozzle plate and casing for ejecting ink drops from the nozzle orifices by use of a pressure generator and
- a head cover which attaches said nozzle plate to said casing, said head cover having side walls which cover side faces of said casing,
- wherein a wiping space is situated above at least one of said side walls of said head cover.
2 more elements
Dependencies are inferred from the claim text.