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:
Oct. 28, 2003
Filed:
Oct. 31, 2001
Jesus Garcia, Terrassa Barcelona, ES;
David Claramunt, Sant Esteve ses Rovires Barcelona, ES;
Francisco Javier Perez, Sant Cugat del Valles, ES;
Xavier Gros, Barcelona, ES;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A vacuum holddown device for a hardcopy apparatus, comprising a printing platen with a pattern of through holes and an underlying vacuum chamber, further comprises a member located therebetween and having a substantially similar pattern of through holes, the member being moveable to align the pattern of holes or not so as to respectively interconnect or disconnect the holes in the printing platen and the vacuum chamber. The member may itself define a secondary chamber with which the holes in the printing platen are in communication when not in communication with the vacuum chamber.