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US 4,391,466 AGranted
Water chair
OwnerPeter A. Smithinventor
Life of this patent
Estimating the term…
Abstract
A chair is disclosed, with a plurality of water bags on the chair serving as the cushion on the back support. The bags are layered down along the back support. Each bag is supported in a sling whose upper margin is attached to the back support. The seat cushion of the chair is also a water bag.
Claims7
A chair for one or more persons, comprising a frame, a seating portion and a back supporting portion being defined by the frame, the chair back comprising a plurality of cushions arranged to be partially filled with water, a corresponding plurality of slings, each sling being attached along an upper margin of the back supporting portion;
- each cushion comprising a water impermeable bag carried within a sling, the bag being partially filled with water, the plurality of cushions being mounted one above the other to the back supporting portion of the frame, with the lowermost part of one cushion resting on the uppermost part of the cushion below it, whereby in use of the chair said cushion supports and adapts itself to the shape of the back of said one or more persons.
Dependencies are inferred from the claim text.