Flat-opening box

Details Flat-opening box Flat-opening box

1976-01-15

1976-12-07

Gilliam, Paul R.

Supports: cabinet structure

With movable components

Pivotal, on pivoted link

312202, 312244, 312269, 312276, A47B 8800, A47B 5300, A47B 9502, A47F 500

Patent

active

039959260

ABSTRACT:
A flat opening box consisting of a central base tray to the sides of which cover shells are hingedly connected to open out onto a flat surface; pivot link members are connected to movable trays in the cover shells which are also hingedly connected to the cover shells so that the box can be opened to a fully flat condition to prevent tilting and spillage of its contents when open.

REFERENCES:
patent: 159501 (1875-02-01), Cogswell
patent: 264749 (1882-09-01), Potts
patent: 814572 (1906-03-01), Thilborger et al.
patent: 1059781 (1913-04-01), Stephen
patent: 2044661 (1936-06-01), Bentz
patent: 2081856 (1937-05-01), Frick
patent: 2385738 (1945-09-01), Stanton
patent: 2598976 (1952-06-01), Cox
patent: 2880918 (1959-04-01), Schweikhard
patent: 3485543 (1969-12-01), Selden et al.
patent: 3758977 (1973-09-01), Miller

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