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. 15, 2009
Filed:
Dec. 14, 2006
Kazushige Ebe, Yokohama, JP;
Kazushige Ebe, Yokohama, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
A seat cushion pad for a vehicle and a seat back pad for a vehicle producing no discomfort between seat comfort of an under-hip section and a backrest section and that of the other sections. The seat cushion pad for a vehicle, in which a part of or entire seating surface except the under-hip section is composed of a material b having a density lower than the density of a material a, or the seat back pad has any one of features described in the following items (i) to (iii). (i) Load-deflection lines of the material a and the material b are allowed to substantially agree with each other. (ii) Amounts of depression or static spring constants of the material a and the material b by a specific reaction force (for example, 50 N or 100 N) based on a JASO-B408 testing method are allowed to substantially agree with each other. (iii) Reaction forces at a specific amount of deflection of the material a and the material b based on a push-pull gage measuring method are allowed to substantially agree with each other.