EP0067653A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Printing head for ink jet printer
Assignee: Konica Minolta Inc
•
Filing: 1982-06-08
•
Granted: —
•
Expires: 2002-06-08
Abstract
Abstract A printing head for an ink jet printer comprising a first plate 11 having a cavity 11a a formed by etching and whose wall serves as the flexible wall deforming in response to an external signal, and a second plate 12 disposed opposite the first plate 1 so as to make the cavity to form a projection chamber 13. Projection chambers each having flexible walls deforming in response to an external signal may be disposed on both sides of a second plate.
Inventors
- 👤 Yoshiaki Kimura
- 👤 Tetsuji Kodama
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 19:13
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/14; B41J2/14201; B41J2/14233; B41J2002/14379
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
58 words
A printing head for an ink jet printer characterized by including a first plate having cavities formed therein by etching and a second plate, wherein the walls of said cavities serve as flexible walls deformable in response to external signals and said second plate is disposed to oppose said first plate so that said cavities form projection chambers.
Claim 2
Dependent Claim
58 words
A printing head for an ink jet printer characterized by including a first plate having cavities formed therein by etching and a second plate, wherein the walls of said cavities serve as flexible walls deformable in response to external signals and said second plate is disposed to oppose said first plate so that said cavities form projection chambers.
Claim 3
Dependent Claim
30 words
A printing head for an ink jet printer characterized in that projection chambers having flexible walls deformable in response to external signals are formed on both sides of a plate.
Claim 4
Dependent Claim
30 words
A printing head for an ink jet printer characterized in that projection chambers having flexible walls deformable in response to external signals are formed on both sides of a plate.
Claim 5
Dependent Claim
42 words
The printing head for an ink jet printer as defined in claim 2, wherein first plates equipped with cavities having flexible walls are disposed on both sides of said plate so that said cavities face said plate and form said projection chambers.
Claim 6
Dependent Claim
32 words
The priting head for an ink jet printer as defined in claim 3, wherein said cavities are formed by etching and a part of each cavity is used as said flexible wall.
Claim 7
Dependent Claim
34 words
The printing head for an ink jet printer as defined in claim 2, 3 or 4, wherein nozzles connected with said projection chambers are disposed in a zigzag arrangement interposing said plate between them.
Claim 8
Dependent Claim
27 words
The printing head for an ink jet printer as defined in claim 5, wherein said nozzles deviate a distance corresponding to a half pitch of the nozzles.
Claim 9
Dependent Claim
34 words
The printing head for an ink jet printer as defined in claim 2, 3 or 4, wherein nozzles connected with said projection chambers are disposed in line with arrangement interposing said plate between them.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.