Internally illuminated sign

Details Internally illuminated sign Internally illuminated sign

1995-10-20

1996-10-22

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40590578/, G09F 1304

Patent

active

055664849

ABSTRACT:
An internally illuminated sign having opposed directional indicating arrow openings including a housing. A light source is mounted in the housing. The housing has a flat stencil with letter openings forming a message. A first directional indicating arrow opening is positioned adjacent to one end of the message and a second directional indicating arrow opening is positioned at the other end of the message. The two arrow openings indicate direction in opposite directions, each away from the message. A first arrow cover is positioned in the first arrow opening and a second arrow cover is positioned in the second arrow opening. A stiff resilient translucent sheet diffuser is mounted on the stencil between the stencil and the light source. The translucent sheet holds the arrow covers in their respective arrow openings. A first open cut in the translucent sheet diffuser is deployed adjacent to a portion of the first arrow cover and a second open cut in the translucent sheet diffuser is deployed adjacent to the second arrow cover. Each of the arrow covers is removable from the respective arrow opening by displacing a portion of the translucent sheet and being removable through the open cut in the displaced portion.

REFERENCES:
patent: 3478455 (1969-11-01), Fremont
patent: 4355479 (1982-10-01), Thornton
patent: 4967317 (1990-10-01), Plumly

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