Chairs and seats – Bottom or back with means to alter contour
Patent
1983-08-04
1986-06-03
Zugel, Francis K.
Chairs and seats
Bottom or back with means to alter contour
297DIG3, 297460, A47C 300
Patent
active
045925887
ABSTRACT:
A vehicle seat is disclosed in which an air bag is inserted into each of a plurality of support sections provided in a seat cushion and a seat bag respectively, and feed/exhaust operating devices provided collectively at one place are operated to adjust the amount of air within each of the air bags separately or simultaneously so as to expand and thus elevate the front part of the respective support sections by means of air pressure.
REFERENCES:
patent: 3326601 (1967-06-01), Vanderbilt et al.
patent: 3363941 (1968-01-01), Wierwille
patent: 3983640 (1976-10-01), Cardullo et al.
patent: 4017118 (1977-04-01), Cawley
patent: 4067078 (1978-01-01), Winston
patent: 4190286 (1980-02-01), Bentley
patent: 4321044 (1982-03-01), Kron
patent: 4444430 (1984-04-01), Yoshida et al.
Isono Hiroyuki
Kurosawa Mutsuo
Tachikawa Spring Co. Ltd.
Zugel Francis K.
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