Horizontally supported planar surfaces – Folding – With vertical adjustability
Patent
1977-07-05
1978-09-12
Zugel, Francis K.
Horizontally supported planar surfaces
Folding
With vertical adjustability
108159, 403172, F16B 700
Patent
active
041128532
ABSTRACT:
A shelving apparatus having a plurality of joint connectors to which is fastened a plurality of stringers is disclosed herein. Each of the joint connectors has a cubical center box from which a plurality of arms extends. Each of the arms extending from the cubical center box extends perpendicular to a face of the cubical center box to which each arm is connected. Each of the arms has a pair of free edges extending along each of the arms. Each of the arms has a U-shaped cross-section. Each of the stringers has a hollow square cross-section. The stringers are fitted to respective arms of the joint connectors. A plurality of shelves is supported by the stringers.
REFERENCES:
patent: RE28244 (1974-11-01), Evans
patent: 2651982 (1953-09-01), Weaver
patent: 3218097 (1965-11-01), Bowers et al.
patent: 3711133 (1973-01-01), Werner
patent: 3883257 (1975-05-01), Delafield
patent: 3886710 (1975-06-01), Krause et al.
patent: 3958517 (1976-05-01), Jay
patent: 4023913 (1977-05-01), Berkowitz
patent: 4027987 (1977-06-01), Berkowitz
Tisbo Cosmo N.
Tisbo Thomas A.
Custom Plastics Inc.
Zugel Francis K.
Zummer Anthony S.
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