Chair seat having a resilient seatrest/backrest, method of manufacturing same and carbon fibre material used as a spring
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United States of America Patent
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Issued Date -
Apr 9, 2009
app pub date -
Apr 24, 2006
filing date -
May 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A chair seat adapted to be mounted on or in a frame, and comprising a seat part (4) and a backrest part (5), which parts are functionally separate units, and which are joined by a spring means which allows the backrest part to move resiliently in relation to the seat part, and in which the spring means comprises one or more thin flexible strips of a spring material, preferably a carbon fibre web material, comprising a flat upper spring part (2a) which is fixed to the backrest part (5) of the chair seat and a flat lower spring part (2b) which is fixed to the seat part (4) of the chair seat, and in which the spring means (2) is formed with a curved spring part (8) between the two flat spring parts (2a, 2b) which is substantially free from the seat and the backrest, and which provides a spring action and a counter spring action of the backrest (5) in relation to the seat part (4).
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Family
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