Back to results
US 7,651,091 B2Granted
Diaphragm
AssigneeHewlett-Packard Development Company, L.P.
InventorsStephen McNally, Steve O. Rasmussen
Life of this patent
Estimating the term…
Abstract
Example embodiments of a diaphragm are shown and described.
Claims20
A media hold down system, comprising:
- a drum for holding media on a surface thereof, the drum having an interior coupled to a vacuum source;
- vacuum-operated valves within the drum;
- the vacuum-operated valves each having a diaphragm;
- each diaphragm having annular walls.
1 more element
An apparatus, comprising:
- a platen having apertures;
- a manifold in fluid communication with the apertures, the manifold including an outlet;
- a housing having a diaphragm mounted thereon, the diaphragm configured to move into and out of contact with the outlet of the manifold by rolling.
An apparatus, comprising:
- a platen having apertures;
- a manifold in fluid communication with the apertures, the manifold including an outlet;
- means for moving into and out of contact with the outlet of the manifold by rolling.
Dependencies are inferred from the claim text.