IP Library Granted Patent US 7,425,049
Granted Patent B2
US 7,425,049 · App. 11/246,715 · Granted Sep 16, 2008

Method of wicking ink away from a printhead

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,425,049
App. No.
11/246,715
Granted
Sep 16, 2008
Kind
B2
Abstract

A method of removing ink from an ink ejection face of a printhead is provided. The method comprises the steps of: (a) moving the ink towards an edge portion of the face; and (b) wicking the ink away from the edge portion.

Claims (16)

1. A method of removing ink from an ink ejection face of a printhead, said method comprising the steps of:

(a) moving said ink towards an edge portion of said printhead; and

(b) wicking said ink through a wicking channel away from said edge portions, wherein said wicking channel is defined at least partiahy by a film.

2. The method of claim 1 , wherein said edge portion is a longitudinal edge portion.

3. The method of claim 1 , wherein said printhead is wirebonded along a longitudinal edge portion and ink is moved towards an opposite longitudinal edge portion.

4. The method of claim 1 , wherein said ink is moved using peeling action.

5. The method of claim 4 , wherein said peeling action is provided by a pad being peeled away from said face.

6. The method of claim 5 , wherein said pad has a sloped contact surface relative to said face.

7. The method of claim 1 , wherein said ink is wicked into an ink collector.

8. The method of claim 1 , wherein said wicking channel is tapered.

9. The method of claim 1 , wherein a channel inlet is proximal to said edge portion and a channel outlet is distal from said edge portion, said channel being tapered towards said channel outlet.

10. The method of claim 1 , wherein said film is substantially coextensive with said printhead and positioned adjacent a longitudinal edge portion of said printhead.

11. The method of claim 1 , wherein a plurality of vents are defined in said film, said vents being positioned for receiving ink from an outer surface of said film.

12. The method of claim 1 , wherein said film is a polymer film.

13. The method of claim 1 , wherein said film is resiliently displaceable.

14. The method of claim 1 , wherein said printhead is a pagewidth inkjet printhead.

Assignments (2)
CHANGE OF NAME Recorded Jun 25, 2014
From: ZAMTEC LIMITED
To: MEMJET TECHNOLOGY LIMITED
Reel/Frame 033244/0276 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2012
From: SILVERBROOK RESEARCH PTY. LIMITED AND CLAMATE PTY LIMITED
To: ZAMTEC LIMITED
Reel/Frame 028568/0757 →