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:
Aug. 27, 2002
Filed:
Oct. 16, 2001
Craig D. Ellis, Charleston, SC (US);
Kenith W. Chambers, Charleston, SC (US);
Scott McCormick, Cincinnati, OH (US);
Steven D. DeRidder, Bartlett, TN (US);
W. Layne Carruth, Cordova, TN (US);
Stephen R. Schulte, Harrison, OH (US);
Hill-Rom Services, Inc., Wilmington, DE (US);
Abstract
A valve assembly for a patient support having a mattress including a bladder comprises an interior housing formed to include a supply chamber, an exhaust chamber, a plenum, and an exterior housing surrounding the interior housing. A supply valve and an exhaust valve are located in the interior housing and connect the supply chamber and the exhaust chamber, respectively, to the plenum. A supply solenoid and an exhaust solenoid are coupled to the interior housing and covered by the exterior housing. The supply solenoid and the exhaust solenoid are coupled to the supply and exhaust valves respectively.