Collapsible sauna

Claim 1

A collapsible sauna comprising: a. vertically extending, rigid front and rear walls each having an upper, a lower and two side edges, said rear wall having top, bottom and side flanges around the edges thereof extending toward said front wall to form with said rear wall a box-like structure; b. oppositely disposed foldable side walls pivotally affixed to the side edges of said front wall and to the edges of said side flanges, said side walls each comprising two hingedly connected portions and being inwardly foldable for allowing movement between an extended position wherein said side walls are each co-planar to define an enclosure and a collapsed position wherein said front and rear walls move adjacent each other; c. a rigid upper wall hingedly affixed to said top flange for movement between an extended position wherein said upper wall completes the enclosuRe and a collapsed position within the box-like structure; d. a door hingedly attached to an opening in said front wall; e. an adjustable heating element operatively mounted to said rear wall within said box-like structure; f. means associated with said heating element adapted to receive water therein for providing a humid, relatively high temperature within the enclosure; and g. a rigid lower wall hingedly affixed to said bottom flange for movement between an extended floor position and a collapsed position within the box-like structure.