Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 4, 2011
Patent Application Number
11594857
Date Filed
November 9, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention achieves a chair in which a shape of a backrest surface can be three-dimensionally changed while following a motion such as a sitting person looks around while sitting or the like. In a chair provided with a backrest in which an upper portion of a backrest surface is supported by a plurality of frame elements arranged so as to be spaced with each other in a width direction, the respective frame elements are independently movable backward and forward.
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