Patent ID: 9301619
Filing Date: 2016-04-05
CPC Classification: A47C

Claim Text:
1. A stool for providing vestibular and sensory input to an occupant comprising: a seat, an outer cylinder coupled to the seat via a flange therebetween such that the seat, the outer cylinder, and the flange move as a single unit vertically in relation to a leg, the flange being threadingly engaged to the leg via a coupling extending from the flange vertically downward through a spring device, through a nipple, the threading engagement being within and against a top inside portion of the leg; the spring device resting on a top exterior portion of the leg, the spring device centered at a bottom end via the nipple preventing lateral movement; the leg engaged to the spring device such that the seat, the outer cylinder, and the flange move as the single unit vertically upward relative to the leg via only the spring device and downward via only a motion of an occupant; and an engagement surface disposed at a distal end of the leg.