Service station for ink-jet printers
CA 1306637 C · Owner: Hewlett-Packard Company · Inventors: Kehoe, Peter John; Hash, Martin Dale; Rhodes, John Drake
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A service station (10) for use in an ink-jet printer comprises, (a) pump means (12) for priming the printhead (18) of a cartridge (20), (b) a sled (14) to actuate the service station and seal the printhead, and, (c) wiping means (58) for cleaning the printhead. The service station is fixed at one end of travel of a carriage (22) supporting the cartridge. The carriage is adapted to move bidirectionally by means of a controlled motor. The service station performs a number of functions, including clearing clogged nozzles in the printhead and removing bubbles therefrom, covering the nozzles with a protective cap (50) when the printhead is not use to prevent contamination thereof preventing, ink …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.