Indicator device

Details Indicator device Indicator device

G - Physics

08

B

40/60, 116/66

G08B 5/00 (2006.01) G09F 7/00 (2006.01)

Patent

CA 2018626

There is described an improved device for indicating the status of a room or adjoining space, the device including first and second plates hingedly connected to one another along adjacent edges thereof, a spring urging the second plate into a normally closed position overlying and parallel to the first plate and adhesive strips or other fasteners to connect the first plate to the surface of a door. A magnet or equivalent devices are used to temporarily connect the second plate to a second surface, such as a door frame, adjacent to and extending at an angle to the surface of the door, wherein relative movement of the door away from the second surface breaks the connection between the second plate and the second surface, whereupon the second plate automatically returns to its normally closed position.

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