Frame straightening and supporting device

Details Frame straightening and supporting device Frame straightening and supporting device

1980-09-05

1983-02-15

Mancene, Gene

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40 10R, 401521, 248488, 248490, G09F 112

Patent

active

043732798

ABSTRACT:
A framing device which includes a plurality of diametrically opposite adjustable arms to tension the frame by pressing against the inner surfaces of the corner joints.

REFERENCES:
patent: 445305 (1891-01-01), Tidball
patent: 1860323 (1932-05-01), Ebeling
patent: 2661560 (1953-12-01), Malby
patent: 4019270 (1977-04-01), Trowbridge
patent: 4028832 (1977-06-01), Wu

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