Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Reexamination Certificate
2007-03-16
2008-03-18
Brown, Peter R. (Department: 3636)
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
C297S284400
Reexamination Certificate
active
07344194
ABSTRACT:
The present invention relates to a device for lumbar support (2) for an office chair with a backrest consisting of a backrest frame with a membrane stretched over it, wherein the device (2) is mounted independently of the membrane in the backrest frame and is adjustable in height as well as horizontally extendable. It is characterized by the following components:Two carrier elements, identical in construction, each of which exhibits on the outside a lateral guide web (6) and a seating fixture (7) to engage a lumbar slide (8), wherein a spring element (9) is attached to the guide web (6), the spring element (9) being connected to a rigid central element, and wherein the other end of the central component lying opposite the spring element (9) is designed in the shape of a comb and exhibits individual webs, and whereinThe two carrier elements, identical in construction, are turned 180° toward each other and are arranged in such a way that the webs of their two central components interlock, andA polyurethane foam element (13) applied on both sides over the central components of the two carrier elements.
REFERENCES:
patent: 5954399 (1999-09-01), Hong
patent: 6079785 (2000-06-01), Peterson et al.
patent: 6260921 (2001-07-01), Chu et al.
patent: 6354662 (2002-03-01), Su
patent: 6447062 (2002-09-01), Jaekel et al.
patent: 6575530 (2003-06-01), Fischer et al.
patent: 6918634 (2005-07-01), Elliot
patent: 6957861 (2005-10-01), Chou et al.
patent: 7097247 (2006-08-01), Battey et al.
patent: 2006/0273643 (2006-12-01), McMillen
patent: 101 21 207 (2002-11-01), None
patent: 0 856 269 (2005-08-01), None
patent: 2 556 197 (1985-06-01), None
Buntru Kurt
Maier Klaus
Brown Peter R.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sedus Stoll AG
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