Water filled seat cushion

Details Water filled seat cushion Water filled seat cushion

1977-12-12

1979-03-13

Nunberg, Casmir A.

Chairs and seats

Bottom or back with means to alter contour

5 91, 5371, 297231, A47C 2708

Patent

active

041439090

ABSTRACT:
A seat cushion is disclosed, including means for removably attaching said cushion to a vehicle seat or the like, said cushion having a fluid filled cavity and an upper cavity partially filled with fliud, the upper cavity including a plurality of seams positioned therein and defined vertically along a substantial length of said cavity, these seams acting to define a plurality of secondary cavities within the upper cavity which are sealed one from another except at the upper end thereof so that fluid may intermingle between such secondary cavities only at that point.

REFERENCES:
patent: 697279 (1902-04-01), Schmied
patent: 3848282 (1974-11-01), Viesturs
patent: 4073021 (1978-02-01), Carlisle

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