Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region
Patent
1998-07-15
1999-09-21
Brown, Peter R.
Chairs and seats
Bottom or back with means to alter contour
Providing support for lower back region
2972848, A47C 746, B60N 222
Patent
active
059543990
ABSTRACT:
A lumbar support for a car seat including a wire frame which is made of an endless wire member, has two hold parts set at two seat frames of a squab of a seat by two connecting means and a guide part integrating with the hold parts, a support plate which is made of an elastic leaf spring material, has two flanges formed at both end parts thereof, and is projected in a middle part of the support plate by making narrow the distance between the flanges, and an adjustor for adjusting the height of the projected part of the support plate by handling a handle of the adjustor.
The lumbar support can be manufactured as a standardized lumbar support, mounted on the seat easily, used in various types of vehicles for common use, semi-permanently used as made of a special steel material, easily change the setting location of the handle of the adjustor, more comfortably support the occupant's lumbar since having a good spring cushion function, reduce the occupant's fatigue during a long distance travel, and improve its safety as having a shock absorbing effect in case of a collision.
REFERENCES:
patent: 5050930 (1991-09-01), Schuster et al.
patent: 5197780 (1993-03-01), Coughlin
patent: 5651583 (1997-07-01), Klingler et al.
patent: 5769490 (1998-06-01), Falzon
patent: 5823620 (1998-10-01), Le Caz
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