Ergonomic adjustable chair and method

Details Ergonomic adjustable chair and method Ergonomic adjustable chair and method

1991-05-24

1993-08-31

Brown, Peter R.

Chairs and seats

Bottom or back with means to alter contour

Having a plurality of adjacent relatively adjustable sections

2972848, A47C 746

Patent

active

052403084

ABSTRACT:
An adjustable chair having a back rest and a contour adjusting mechanism for adjusting the contour of the occupant engaging surface of the back rest. The contour adjustment mechanism comprises a series of longitudinally spaced adjustment linkages which also form part of the back rest. The contour adjustment includes adjustments for at least spinal curvature of an individual. For this purpose a gauge may be provided for pre-calculating the individual's back curvature, and this pre-calculation used in conjunction with the adjustment mechanisms to effect the desired adjustment of the occupant engaging surface.

REFERENCES:
patent: 2549902 (1951-04-01), Hibbard et al.
patent: 3288525 (1966-11-01), Cert
patent: 3990742 (1976-11-01), Glass et al.
patent: 4339150 (1982-02-01), McNamara et al.

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