Chairs and seats – Bottom or back – Framework
Patent
1978-04-24
1980-02-19
Zugel, Francis K.
Chairs and seats
Bottom or back
Framework
297DIG3, 5432, 5455, A47C 500
Patent
active
041891813
ABSTRACT:
A chair is provided having a seating portion containing a water-filled container formed of a thin flexible film and having a horizontally disposed upper flat surface for the supportive cushioning of the user, and an upright portion having an assembly of 5 to 20 elongated water-filled enclosures disposed in parallel horizontal juxtaposition. The elongated enclosures have a rounded outer contour which provides cushioning to the user's back. The hydrostatic pressure within each elongated water-filled enclosure is between 1" and 4" of water.
REFERENCES:
patent: 2572689 (1951-10-01), Bell
patent: 2834397 (1958-05-01), Kluglein et al.
patent: 3689949 (1972-09-01), Weinstein et al.
patent: 3702484 (1972-11-01), Tobinick et al.
patent: 3982786 (1976-09-01), Burgin et al.
patent: 3996633 (1976-12-01), Burke
patent: 4067078 (1978-01-01), Winston
patent: 4077074 (1978-03-01), Fogel
patent: 4108492 (1978-08-01), Kirby
Noble David
Noble Donald
Rainer Norman B.
Zugel Francis K.
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