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US 7,007,615 B2Granted
Collapsible shelf unit
AssigneeMenasha Corporation
InventorBevan E. Grueneberg
Life of this patent
Estimating the term…
Abstract
A collapsible shelf unit has a three-sided frame made of a single sheet of foldable material and separate shelves which are hinged to the sides and rear of the frame so that the shelf unit can be collapsed to a substantially flat state by folding the shelves up against the rear of the back and folding the sides inward.
Claims14
A collapsible shelf unit, comprising:
- a three-sided frame, said frame having a back and opposed sides hingedly connected to said back at opposite edges of said back;
- a base panel which is hingedly connected at opposite side edges of said base panel to an adjacent side of said frame, said base panel having wing portions which are hingedly connected to a central portion of said base panel;
- and
- at least one support panel hingedly connected to said frame;
- wherein each support panel can be folded downwardly relative to said base panel to expand and hold said sides of said frame in an erect position, and said support panel can be hinged upwardly against said back of said frame and said sides of said frame folded inwardly toward one another to collapse said central portion of said base panel toward said back of said frame so as to permit folding said shelf unit into a generally flat collapsed state.
2 more elements
Dependencies are inferred from the claim text.