Chair and method for supporting lower back

Details Chair and method for supporting lower back Chair and method for supporting lower back

2008-09-09

2008-09-09

White, Rodney B. (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

C297S284800, C297S383000, C297S230100, C297S230110, C297S230130, C297S230140

Reexamination Certificate

active

11563013

ABSTRACT:
Provided is a chair comprising a seat; a backrest; a first armrest; a second armrest; a seat support structure; and a support structure for supporting the lower back of a seated person; wherein the support structure is directly mechanically-connected to the first armrest and the second armrest; and the support structure is not directly mechanically-connected to either the backrest or the seat. Additionally, provided are methods for supporting the lower back of a seated person in the need of such supporting comprising providing to the person a chair as described above.

REFERENCES:
patent: 363211 (1887-05-01), Cowing
patent: 1345785 (1920-07-01), Koch
patent: 5067187 (1991-11-01), Messina
patent: 5344216 (1994-09-01), Suominen
patent: 5507559 (1996-04-01), Lance
patent: 5599066 (1997-02-01), Chih
patent: 7114776 (2006-10-01), Wiltberger
patent: 2003/0137172 (2003-07-01), Chu
patent: 2004/0104610 (2004-06-01), Jaskot et al.
patent: 2004/0124680 (2004-07-01), Harris
patent: 2007/0188003 (2007-08-01), Wu

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