Canvas frame spring tension wire clamp apparatus

Details Canvas frame spring tension wire clamp apparatus Canvas frame spring tension wire clamp apparatus

1981-01-08

1982-03-16

Mancene, Gene

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40 10R, 52475, G09F 112

Patent

active

043194206

ABSTRACT:
Spring tension wire clamp apparatus includes a screw adapted to extend into a wooden frame with a spacer between the frame and a clamp which extends outwardly from the screw and adapted to be disposed against a canvas frame for holding the canvas frame into the picture frame.

REFERENCES:
patent: 481117 (1892-08-01), Naegele
patent: 509626 (1893-11-01), Patterson
patent: 908608 (1909-01-01), Pullen
patent: 1066495 (1913-07-01), Helvig et al.
patent: 1851201 (1932-03-01), NcLoughlin
patent: 2820311 (1958-01-01), Hamlin
patent: 3899844 (1975-08-01), Munn

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