Patent ID: 6971936

Claim:
A collapsible device, comprising a panel including an inner portion and an outer portion; a spring disposed about the outer portion of the panel, the spring being movable between a coiled configuration and an uncoiled configuration; a back support member disposed at an end of the panel; a support member traversing the panel, the support member including a first end and a second end coupled respectively to a first location and a second location of an outer portion of the panel, the inner portion of the panel being disposed proximate to the support member; and an inflatable bladder disposed about at least a part of the outer portion of the panel and coupled to the back support member and to the support member, the inflatable bladder being configured to buoyantly support a body weight of a user on the panel, and the combination of the inflatable bladder, the back support member, and the support member being configured to support a user in a seated position on the panel.