The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 24, 2002
Filed:
Jul. 16, 2001
Applicant:
Inventors:
Geoff Wotton, Battleground, WA (US);
Robert M. Yraceburu, Camas, WA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 1/142 ; B41J 2/01 ; B41J 1/144 ; B65H 5/02 ; B65H 5/04 ;
U.S. Cl.
CPC ...
B41J 1/142 ; B41J 2/01 ; B41J 1/144 ; B65H 5/02 ; B65H 5/04 ;
Abstract
An ink-jet apparatus is disclosed having a vacuum type print media transport subsystem for moving the print media through a printing zone. A transport belt is provided with an array of perforations such that vacuum flow is restricted. The perforations only pass vacuum induced airflow through the belt when over vacuum ported platen regions. In an alternative embodiment, belt lifting is controlled and substantially eliminated via vacuum ports associated with non-perforated regions of the transport belt.