Frame straightening and supporting device

Card – picture – or sign exhibiting – Display card – Having a curved display panel

Patent

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Details

40155, 248488, G09F 112

Patent

active

044439601

ABSTRACT:
A framing device which includes a plurality of adjustable arms to tension the frame by pressing against the inner surfaces at each of the corner points and with each arm also being adjustable about a transverse plane.

REFERENCES:
patent: 236845 (1881-01-01), Scheurich
patent: 445305 (1891-01-01), Tidball
patent: 1846988 (1932-02-01), Buck
patent: 3823499 (1974-07-01), Gilbert
patent: 4373279 (1983-02-01), Abel et al.

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