Directory display

Details Directory display Directory display

1980-09-19

1982-12-21

Sakran, Victor N.

Supports: cabinet structure

For particular electrical device or component

312111, 312140, 362240, 52732, A47B 7708, F16B 1200

Patent

active

043646166

ABSTRACT:
A building directory display system is disclosed having a light source positioned within a housing and a darkened glass door on the front of the housing. Directly behind the glass door, a plurality of panels are provided on which name strips are positioned. The panel also has a diffuser panel which diffuses light from the light source which then passes through the name strips having a black coating selectively etched to permit light passage therethrough. In order to prevent light from shining through cracks between the panels, each panel has side frames which overlap with one another and which, in combination with a panel retaining frame, permit simple removal of the panels for servicing.

REFERENCES:
patent: 962544 (1910-06-01), Anderson
patent: 1848214 (1932-03-01), Brown
patent: 2370823 (1945-03-01), Trautner
patent: 2744716 (1956-05-01), Ringone
patent: 3160246 (1964-12-01), Donlon
patent: 3494686 (1970-02-01), Diack
patent: 3675594 (1972-07-01), Kritske
Nelson-Harkins Industries, Inc., Catalog No. 110-D, (p. 3).

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