Chair for healthy sitting

Details Chair for healthy sitting Chair for healthy sitting

2006-02-14

2006-02-14

Brown, Peter R. (Department: 3636)

Chairs and seats

Bottom, back and leg

C297S411410, C297S440120, C297S451120, C248S174000

Reexamination Certificate

active

06997513

ABSTRACT:
Disclosed is a supportive chair for sitting comfortably at low heights above and relative to the ground. Preferably, the chair comprises a primary seating surface and a secondary seating surface curving around the rear of the primary seating surface to provide additional support for the user. It is preferred that the secondary seating surface be inwardly and downwardly sloped and provide a low lateral boundary for the user, thereby promoting proper alignment of the buttocks on the primary seating surface. Thus, the chair raises the buttocks and hips of the user off of the seating level, creating a relative height difference between the hips and legs. This raising of the hips relative to the legs creates a sitting posture that promotes vertical back alignment. As a result, the user is able to comfortably maintain this position with a reduced amount of back muscle strain, allowing prolonged comfortable seating periods.

REFERENCES:
patent: 422660 (1890-03-01), Thorkelson
patent: 2541835 (1951-02-01), Saarinen
patent: D184371 (1959-02-01), Radke
patent: D193338 (1962-08-01), Tepper
patent: 3142514 (1964-07-01), Ginat
patent: D260334 (1981-08-01), Van Horn
patent: 4390204 (1983-06-01), Fleishman
patent: 5317765 (1994-06-01), Knoedler et al.
patent: 5876098 (1999-03-01), Conaway et al.
patent: D422804 (2000-04-01), Tarlow
patent: D436749 (2001-01-01), Arad

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