Patent ID: 8622474
Filing Date: 2014-01-07
Classification: A47C

Abstract:
1. An apparatus, comprising: an assembly that connects various parts of the apparatus; a back that provides support for at least a person's back or shoulders; an articulating lumbar rest attached to the assembly and cooperating with a lumbar torsion spring to provide incremental and progressive resistance to support a person's lower back and encourage continual movement as the person moves between forward tilt and reclining positions, independent of the back that provides support for at least a person's back or shoulders; a seat that is adjustable between the forward tilt and reclined positions; a plurality of rollers, disposed on the assembly, on which the seat is oriented in an at-rest position while the person is in an upright position and oriented in a rolling position when the person is in motion; a central column, attached to the assembly, on which the seat can spin; and a lower torsion spring connected to the seat and disposed on the assembly allowing controlled movement of the seat.