Supervisory control panel board

Details Supervisory control panel board Supervisory control panel board

1983-12-02

1987-04-21

Mancene, Gene

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40 10R, 40489, G09F 1304

Patent

active

046585257

ABSTRACT:
A supervisory control panel board includes a supervisory control panel having illumination apertures therein at a supervisory display surface zone of the panel. The panel board also includes a dressing frame, which frame is removably mounted on the display surface of the supervisory control panel. When mounted on the supervisory control panel, the dressing frame supports a film member in a state wherein this film member is kept in close contact with the supervisory display surface. That film member is inscribed with a graphic diagram of the process steps desired to be supervised.

REFERENCES:
patent: 1289982 (1918-12-01), Webber
patent: 2353328 (1944-07-01), Winston
patent: 3061945 (1962-11-01), Hawkins
patent: 3261112 (1966-07-01), Schlag
patent: 3358395 (1967-12-01), Simonovidk
patent: 3421232 (1969-01-01), Sherman et al.
patent: 4012632 (1977-03-01), Stone
patent: 4333253 (1982-06-01), Cooper
patent: 4419838 (1983-12-01), Taylor et al.

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