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:
Sep. 27, 2011
Filed:
Nov. 09, 2007
Applicants:
Cheng-chung Wang, Taipei, TW;
Kenneth Wang, Taipei, TW;
Inventors:
Cheng-Chung Wang, Taipei, TW;
Kenneth Wang, Taipei, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inflatable bed includes a bedstead assembly, a mattress assembly having at least one air chamber, and an electric air pump unit disposed on the bedstead assembly. The air pump unit includes a centrifugal pump device for performing initial inflation of the air chamber, a diaphragm pump device for performing subsequent inflation of the air chamber, and a control valve operable to allow for and interrupt fluid communication between the centrifugal pump device and the air chamber.