Furniture or container unit

Claim 1

A foldable unit, comprising: a main wall, two pair of side walls pivotally connected to said main wall, said walls being provided with inner and outer surfaces, said main wall consisting of a central part and at least one pair of end parts pivotally secured thereto, said side walls being pivotable to an erected position to form a boxlike structure in which a first pair of side walls, disposed on opposite edges of said main wall, extend substantially parallel to each other and at a certain angle to the side walls of said other pair of side walls and also at a certain angle to said main wall, said other pair of said side walls being rigidly attached to said at least one pair of end parts, said other pair of side walls being adapted first to be pivoted from said erected position towards said main wall so as to extend substantially parallel thereto and said first pair of side walls being adapted thereafter to be pivoted thereover said other pair of side walls so as to extend substantially parallel to the latter, each side wall of said first pair of side walls being provided with a ledge rigidly secured to and projecting at substantially a right angle from each of the two opposite edges thereof, said ledges abutting against and being in alignment with the lateral edges of the side walls of said other pair of side walls when said unit is in its erected position and engaging over the pivotally connected edges of said other pair of side walls and said main wall when both pairs of said side walls have been pivoted toward said main wall, and flexible hinge means for pivotally securing said at least one pair of end parts and said first pair of side walls to said central part at respective edges thereof, said flexible hinge means including a flexible sheet material covering the entire inner Surface of said main wall, said flexible sheet material being provided with marginal projecting portions adhesively secured to said first pair of side walls and said at least one pair of end parts.