Horizontally supported planar surfaces – Folding – With vertical adjustability
Patent
1977-10-31
1979-01-30
Mitchell, James C.
Horizontally supported planar surfaces
Folding
With vertical adjustability
108 92, A47B 300
Patent
active
041366239
ABSTRACT:
A furniture construction having planar first and second frames attached to one another such that the planes of each of the frames is perpendicular to the plane of the other of the frames. Preferably, at least two second frames are provided in spaced relation for assuring rigidity and stability of the construction. A load supporting platform, such as a shelf, is retained on the article of furniture by use of a plurality of coplanar notches provided on at least one of the frames.
REFERENCES:
patent: 269625 (1882-12-01), Blake
patent: 1518148 (1924-12-01), Kamenstein
patent: 1681218 (1928-08-01), Carlson
patent: 2005566 (1935-06-01), Schwabe
patent: 3021961 (1962-02-01), Ruhnke
Jacobson Harvey B.
Mitchell James C.
O#Brien Clarence A.
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