Joints and connections – Rigid angle coupling – e.g. – elbow or u – etc.
Patent
1975-07-03
1977-03-29
Kundrat, Andrew V.
Joints and connections
Rigid angle coupling, e.g., elbow or u, etc.
403231, 403403, 248188, 52285, 52282, F16B 1200
Patent
active
040146189
ABSTRACT:
A corner structure for use in shelves, cabinets, boxes, and similar box shaped objects is described, wherein rectangular and/or polygonal panels are assembled by means of a rod-shaped junction of substantially hourglass cross-section. The junction is provided with or may be used in combination with separate uniting members having projections designed to be attached to the panels by means of screws or in other suitable manner.
REFERENCES:
patent: 392808 (1888-11-01), Kastler
patent: 632007 (1899-08-01), Broome
patent: 636434 (1899-11-01), Kendall
patent: 913537 (1909-02-01), Moore
patent: 924703 (1909-06-01), Streed
patent: 1579134 (1926-03-01), Nusbaum
patent: 2456929 (1948-12-01), Dee
patent: 3741425 (1973-06-01), Freeman
Berry E. Janet
Kundrat Andrew V.
Rosen Lawrence
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