US Patent 6871905 Portable collapsible seat

A portable collapsible stool has at least three legs including separable upper and lower parts releasably connected by telescopic joint connections biased into connected engagement by bungee cords. A flexible seat mounted on the upper ends of the legs is disposed in a horizontal seating position when the stool is in setup position. A panel assembly connected to the legs in upwardly spaced relation to the lower ends thereof extends therebetween, provides lateral reinforcement for the legs to increase the carrying capacity of the stool, serves as a ground-engaging member to increase the area of stool ground support when it is setup on soft or sandy ground penetrated by the legs, provides a handle to facilitate rapid simultaneous separation of the leg lower parts from the leg upper part, and may also include a pocket for small articles.