Chair with self-adjusting chair back

A chair is configured to allow the effective seating area to be varied to accommodate a range of body sizes. One or more support arms pivotably support a backrest for translational movement while allowing the backrest to rotate relative to the seating surface. The combination of translational moveme...

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Bibliographic Details
Main Authors BROTHERS DAVID A, LUCHETTI ROBERT J, BUSHEY MATTHEW J
Format Patent
LanguageEnglish
Published 14.09.2006
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Summary:A chair is configured to allow the effective seating area to be varied to accommodate a range of body sizes. One or more support arms pivotably support a backrest for translational movement while allowing the backrest to rotate relative to the seating surface. The combination of translational movement with rotational movement allows a greater or lesser amount of seating surface to be exposed depending on the size of the person using the chair. Movement of the backrest may be resisted at both pivot points using springs of differential strengths. Optionally, rotation of the default resting angle of the backrest may be synchronized with translation of the backrest. The chair may be designed to both stack and nest to enable it to be stored in a plurality of manners.
Bibliography:Application Number: US20050076358