US 7,540,583 B2
Wiper
John A. Barinaga, Portland, Oreg. (US); Alan Shibata, Camas, Wash. (US); Tanya V. Burmeister, Vancouver, Wash. (US); and Stephanie Seaman, Portland, Oreg. (US)
Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US)
Filed on Mar. 16, 2005, as Appl. No. 11/82,093.
Prior Publication US 2006/0209122 A1, Sep. 21, 2006
Int. Cl. B41J 2/165 (2006.01); B41J 2/01 (2006.01)
U.S. Cl. 347—28  [347/22; 347/33; 347/102] 33 Claims
OG exemplary drawing
 
1. A printer, comprising:
a print drum having a circumferential surface about a first axis;
a plurality of arcuately arranged print heads about the first axis;
a first plurality of wipers arcuately spaced around the first axis along the circumferential surface, all of the first plurality of wipers configured to be concurrently moved in unison towards the circumferential surface to print head servicing positions in which all of the first plurality of wipers are concurrently positioned to apply force to one or more of the print heads without further movement of the wipers; and
a lift cam and drive mechanism configured to move the first plurality of wipers in unison towards or away from the circumferential surface.