Patent · US Expired

Water-filled chair

US4189181A · kind A · utility

18Cited by
9References
7Claims
0Family size

Inventors

Key dates

Filing dateApr 24, 1978
Grant dateFeb 19, 1980
Priority date
Expiry dateApr 24, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S297/03
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.