Ergonomic chair

Details Ergonomic chair Ergonomic chair

1988-09-19

1991-01-01

Brown, Peter R.

Chairs and seats

Back movement resiliently opposed in operating position

Constantly oriented during up-and-down movement

297300, 297457, 297337, A47C 1024

Patent

active

049813269

ABSTRACT:
An ergonomic chair having a movable, bendable chair back, which offers improved comfort and adjustability. The structure includes a series of rearward opening grooves in the chair back. This structure allows limited back flexibility. The chair also includes a mehcanism for adjusting the force needed to move the back, and another mechanism which limits the back's movement. Similar structure includes a seat which can slide forward and backward.

REFERENCES:
patent: 3434756 (1969-03-01), Walkinshaw
patent: 3741607 (1973-06-01), Cramer
patent: 4521053 (1985-06-01), de Boer
patent: 4533177 (1985-08-01), Latone
patent: 4744603 (1988-05-01), Knoblock

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