Multiple wiper servicing system for inkjet printheads
US5694157A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1994 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Oct 28, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/16544
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet printing mechanism has n printheads with nozzle sections and a carriage to carry the n printheads, where n.gtoreq.2. The carriage is movable through a print zone to one of two servicing positions at a service station beside the print zone. A wiper assembly is mounted at the service station to clean the nozzle sections of the printheads. The wiper assembly has n+m wipers where m wiper(s) clean at least one printhead when the carriage is located at a first servicing position, and the n wipers clean all n printheads simultaneously when the carriage is located at a second servicing position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.