Horizontally supported planar surfaces – Plural related horizontal surfaces – Nested or stacked units
Patent
1990-09-20
1991-12-24
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Nested or stacked units
211199, 211149, 108125, A47B 308
Patent
active
050742230
ABSTRACT:
A free standing stacking shelf system is provided wherein the stacking elements of each shelf are selectively collapsible or foldable with respect to the shelf and can be selectively locked into a predetermined angular disposition with respect to the shelf element. Each of the stacking elements is substantially U-shaped having first and second legs and a base extending therebetween. The free ends of the legs are pivotally coupled to a respective shelf. A device is provided for selectively locking the legs and hence the stacking element with respect to the shelf in a predetermined orientation. When the legs are unlocked from the shelf element, the stacking elements can be collapsed or folded so as to be closely adjacent to the shelf element thereby significantly reducing the overall height of the shelf for transport and storage.
REFERENCES:
patent: 72228 (1867-12-01), Phillips
patent: 1006328 (1911-10-01), Widenhofer
patent: 2600191 (1952-06-01), Beach
patent: 3184075 (1965-05-01), Cohen
patent: 3217671 (1965-11-01), Walsh
patent: 3747539 (1973-07-01), Calzaretto
patent: 4444320 (1984-04-01), Chap
patent: 4732284 (1988-03-01), Remmers
patent: 4915238 (1990-04-01), Cassel
Aschenbrenner Peter A.
Clairson International
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