Seat cushion

Details Seat cushion Seat cushion

2005-09-06

2005-09-06

Luu, Teri Pham (Department: 3673)

Beds

Support for users body or part thereof

Removable support specially adapted for seating

C005S652000, C005S655300, C297S452270

Reexamination Certificate

active

06938290

ABSTRACT:
Impact energy forces to the spine are reduced through the use of multiple overlying pliable impact energy absorbing layers. Each layer comprises a plurality of cells that are in fluid communication which provides for a valved transfer of fluid between the cells. Additionally, each layer has a different durometer.

REFERENCES:
patent: 3833259 (1974-09-01), Pershing
patent: 4627179 (1986-12-01), McElroy
patent: 4682818 (1987-07-01), Morell
patent: 5030501 (1991-07-01), Colvin et al.
patent: 5518802 (1996-05-01), Colvin et al.
patent: 5855415 (1999-01-01), Lilley, Jr.
patent: 6625830 (2003-09-01), Lampel
patent: 2002/0067064 (2002-06-01), Jaillet et al.

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