Ergonomic chair

Details Ergonomic chair Ergonomic chair

2005-08-10

2008-03-04

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

C297S284700, C297S452320, C297S353000, C297S344120

Reexamination Certificate

active

07338123

ABSTRACT:
An ergonomic chair including a seat support structure with a seat bottom and seat back supported by the seat support structure. The seat bottom is shortened to accommodate the buttocks and ischia, with no weight-bearing on the thighs. The seat back has an upper portion which protrudes forward greater than the lower portion with a sudden transition to provide an innate lumbar support.

REFERENCES:
patent: 5295728 (1994-03-01), Schaevitz
patent: 6123390 (2000-09-01), Greenwald
patent: 6189971 (2001-02-01), Witzig
patent: 6394547 (2002-05-01), Vik
Galen Cranz, “The Chair”, W.W. Norton Company Inc., 1998.

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