Tensioning connector for retaining sign membranes

Details Tensioning connector for retaining sign membranes Tensioning connector for retaining sign membranes

1989-04-18

1990-09-11

Brittain, James R.

Card, picture, or sign exhibiting

Signs

Stretched or tensioned

160354, 160392, G09F 1700

Patent

active

049559281

ABSTRACT:
A tensioning connector, particularly suitable for tensioning the flexible membrane of a sign. The sign membrane is tensioned with a mechanical connector having two connecting components with generally interlocking surfaces. The interlocking surfaces have interengaging, mating, linear ridges. The cross section of the ridges has a generally sawtooth configuration. Both of the surfaces of each sawtooth ridge made an acute angle with the plane of the ridge tips. Importantly, both of these surfaces are on the same side of a normal to the plane.

REFERENCES:
patent: 2335361 (1943-11-01), Schiller
patent: 2708529 (1955-05-01), Lauder et al.
patent: 3660233 (1972-05-01), Dallce et al.
patent: 4132390 (1979-01-01), Pfarr, Jr.
patent: 4317302 (1982-03-01), Von De Linde
patent: 4452000 (1984-06-01), Gandy
patent: 4539734 (1985-09-01), Messerschmitt
patent: 4674213 (1987-06-01), Keithley
patent: 4674214 (1987-06-01), Gandy
Sign-Strut advertisement in Signs of the Times; Jul. 1988.

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