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:
Jun. 12, 2001
Filed:
Jun. 24, 1999
Applicant:
Inventor:
Tomonori Tada, Chiryu, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C 2/710 ;
U.S. Cl.
CPC ...
A47C 2/710 ;
Abstract
A mattress includes a bag in which an amount of fluid is sealed. A portion of the bag is provided with an adjuster which adjust an inner volume of the bag. Adjusting the inner volume changes a pressure of the fluid in the bag which is regarded as a softness or hardness of the mattress. Such an adjustment is established without a supply or a drain of the fluid in and to the bag, respectively.