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:
Jul. 14, 1992
Filed:
Dec. 26, 1990
Applicant:
Inventors:
Yoichi Kishi, Yokosuka City, JP;
Takayuki Yanagishima, Yokosuka City, JP;
Hideyuki Nagashima, Yokohama City, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama City, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60N / ;
U.S. Cl.
CPC ...
2972 / ; 2972 / ; 2972 / ; 297D / ; 297468 ;
Abstract
A seat comprises a plurality of air mats arranged inside a seat cushion and a seat back. The contour of each of the air mats is automatically varied by a pump and a valve. The fatigue level of a seat occupant is calculated based on a fatigue-indicative parameter weighted in accordance with the running state of a vehicle and the working state of accessories and control gear. The pump and the valves are operated to vary the contour of the air mats when the fatigue level becomes greater than a predetermined value.