Patent ID: 6899385

Claim:
A seating apparatus comprising: a) a support element having an upright extending from a floor and a swing arm pivotably mounted to the upright about a generally vertical pivot axis; b) a work surface secured to the upright above the swing arm; c) a seat mounted on the swing arm, the seat having a seat base upon which an occupant can be seated; d) the swing arm being pivotable between a stowed position wherein the seat base is tucked substantially underneath the work surface, and a deployed position wherein the seat base is substantially clear of the work surface; and e) a flat coiled torsion spring for biasing the swing arm to the stowed position, the torsion spring having a first end fixed directly or indirectly to the upright and a second end fixed directly or indirectly to the swing arm, the flat coiled torsion spring comprising a thin strip of resilient metal coiled in a flat spiral about the pivot axis.