Aerodynamic over-dimensional sign

Details Aerodynamic over-dimensional sign Aerodynamic over-dimensional sign

1992-09-21

1994-12-27

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Signs

Automotive vehicle carried

40602, G09F 2104, G09F 716

Patent

active

053753542

ABSTRACT:
An apparatus for reducing air drag against an apparently flat message surface when the message is intended for day or night viewing from approximately directly in front or behind. Symbols comprising the message, or their backgrounds are inclined backwards as louvers to allow free air passage. The symbols or their backgrounds may be placed on a plane behind and parallel to the apparent message surface, and viewed through hole(s) cut in that surface, with a gap between the two planes allowing air flow. Night-lights above each symbol may be provided to ensure accurate night viewing.

REFERENCES:
patent: Re29462 (1977-11-01), Tchakgarian
patent: 1761868 (1930-06-01), Burke
patent: 2689422 (1954-09-01), Hoff
patent: 3768187 (1973-10-01), Dunne
patent: 4240220 (1980-12-01), Smith
patent: 4768300 (1988-09-01), Rutili
patent: 4910898 (1990-03-01), Hector

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