Patent ID: 7909402
Filing Date: 2011-03-22
Classification: A47C

Abstract:
1. A seat, comprising: a base assembly; a seat assembly interconnected to said base assembly; a frame assembly extending upwardly from one of said base assembly and said seat assembly and providing a substantially rigid structure a back support having a first end coupled to a first end of said frame assembly, and a second end coupled to a second end of said frame assembly, said back support including a plurality of back support members intermediate said first and second ends of said frame assembly, each of said plurality of back support members having a longitudinal surface engaging a longitudinal surface of an adjacent back support member; a clamping assembly extending through each of said back support members and interconnecting said first and said second end of said frame assembly for placing said plurality of back support members in and out of compression relative to one another and fixing a relative position of each back support member relative to an adjacent back support member; and at least one biasing member disposed within said back support for providing a resistive and restoring force to said plurality of back support members.