Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Patent
1999-10-29
2000-07-25
Brown, Peter R.
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
A47C 746
Patent
active
060928719
ABSTRACT:
An office chair incorporates a lumbar support in the lumbar region of the back of the chair. The support includes an arcuate lumbar support element and a carrier for the element, which is pivotally coupled to the back for movement between positions in which the support element provides respectively maximum and minimum support for the lumbar region of the person using the chair. The carrier can be locked in an adjusted position. The support element is resiliently flexible so that its curvature varies between a maximum in the maximum support position and a minimum in a minimum support position of the lumbar support.
REFERENCES:
patent: 4182533 (1980-01-01), Arndt et al.
patent: 4313637 (1982-02-01), Barley
patent: 4531779 (1985-07-01), Hashimoto
patent: 4601514 (1986-07-01), Meiller
patent: 5217278 (1993-06-01), Harrison et al.
patent: 5609394 (1997-03-01), Ligon, Sr. et al.
Brown Peter R.
Global Total Office
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