Plate closure for use in internally illuminated sign

Details Plate closure for use in internally illuminated sign Plate closure for use in internally illuminated sign

1995-11-15

1997-04-01

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40564, 40574, G09F 1304

Patent

active

056155026

ABSTRACT:
A plate closure for use in an internally illuminated sign having a plurality of wiring ports to provide access to the interior of the sign for connecting wires from a power source including a housing made up of a pair of interlockable halves. Each of the halves has a peripheral sealing lip opposed to the peripheral lip of the other half to form a peripheral housing wall. The housing wall has a pair of substantially parallel opposed end walls, a top housing wall and a bottom wall. A top wiring port is formed in the top wall. A left wiring port is formed in one of the end walls, and a right wiring port is formed in the other of the end walls. Each of the wiring ports provides a selective access to the interior of the housing to provide wiring for a light source. Each of the walls, having one of the wiring ports, has a mounting groove in a portion of the housing wall defining the wiring port. Each mounting groove extends into the respective wall and opens into the respective wiring port. A closure plate is removably mounted in each of selected wiring ports. Each closure plate has a flat plate body. Each plate body has a mounting tongue. Each mounting tongue has a protuberance on the surface thereof to provide an interference fit with a portion of a respective mounting groove to hold releasably the closure plate in the mounting groove.

REFERENCES:
patent: 5018290 (1991-05-01), Kozek et al.

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