Supports: cabinet structure – With drafting board
Patent
1977-09-16
1979-04-17
Stein, Mervin
Supports: cabinet structure
With drafting board
248449, 248461, A47B 9708
Patent
active
041497635
ABSTRACT:
The easel box comprises a parallelepipedic casing on which are hingedly mounted at least three telescopic legs and a canvas supporting structure, said supporting structure comprising a panel structure having a planar face and four peripheral side ledges. Canvas supporting means comprises a T-square structure provided with upper securing means and slidably mounted on the side of said panel structure opposite to said plane face, and lower pivoting supporting means slidably mounted on said side ledges of said panel structure. T-square structure is entirely concealable within said panel structure.
REFERENCES:
patent: 2032872 (1936-03-01), Friederichs
patent: 2751271 (1956-06-01), Dessertenne et al.
patent: 3114215 (1963-12-01), Turkin
patent: 3168363 (1965-02-01), Monsour
patent: 3202471 (1965-08-01), Wilson
patent: 3759482 (1973-09-01), Wright
patent: 3926398 (1975-12-01), Vincent
Grosz Alex
Stein Mervin
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