Horizontally supported planar surfaces – Folding – With vertical adjustability
Patent
1976-06-30
1977-09-27
Mitchell, James C.
Horizontally supported planar surfaces
Folding
With vertical adjustability
A47B 300
Patent
active
040503860
ABSTRACT:
A knock-down shelving apparatus including a plurality of vertically spaced shelves and a plurality of uprights extending between each shelf and the next lower shelf. Each upright has a multi-sided core and panels adhesively secured to the outer side faces of the core with one end of the core spaced axially outwardly from one end of the panels to provide a multi-sided tongue at one end of the uprights adapted to extend through a similarly shaped opening in the shelf and with the other end of the core spaced axially inwardly of the other ends of the panels to provide a socket for relieving the tongue on an axially aligned upright after it has passed through an opening in the shelf. The shelves have depending flanges engageable with the uprights to enhance the stability of the shelving apparatus when assembled.
REFERENCES:
patent: 3141423 (1964-07-01), Christensen
patent: 3316862 (1967-05-01), Dismuke
patent: 3549020 (1970-12-01), Von Bohr
patent: 3741404 (1973-06-01), Jordain
patent: 3783801 (1974-01-01), Engman
patent: 3831533 (1974-08-01), Kellogg
patent: 3834324 (1974-09-01), Lang
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