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. 12, 2004
Filed:
Sep. 26, 2001
Pongdet P. Wipasuramonton, Rochester, MI (US);
Charles S. E. Walczak, Warren, MI (US);
Shakir M. Salmo, Sterling Heights, MI (US);
Key Safety Systems, Inc., Sterling Heights, MI (US);
Abstract
A rollover air bag system comprising: at least a first inflatable first chamber, the air bag adapted to be mounted within a passenger compartment of a vehicle in a manner such that when the air bag is inflated the first inflatable chamber is positioned to receive and protect the head of an occupant, an accumulator chamber located downstream of the first chamber, the accumulator chamber initially maintained at a negative pressure relative to the inflated first chamber, wherein in order to restrict the pressure in the first chamber from increasing upon impact with a body part of the occupant, the inflation gas in the first chamber is allowed to be pushed into the accumulator chamber.