Card – picture – or sign exhibiting – Signs – Sign support
Patent
1998-06-04
1999-10-26
Davis, Cassandra H.
Card, picture, or sign exhibiting
Signs
Sign support
40612, 116637, E01F 900, G09F 1316
Patent
active
059706392
ABSTRACT:
A hazard alarm sign is provided that includes a storage box and an alarm unit that is hinged to an interior portion of the storing box. A battery is located on one side of the bottom interior portion of the storage box. On the other side, there is fitted a powerful magnet and a screwdriver. An alarm rack is provided that is formed by three racks, each rack being made of a transparent material. Inside each rack is a lamp holding plate carrying a number of LED lamps. One of the racks is hinged to a fixing unit mounted to the storage box. The ends of the other two racks are hinged to form a structure having one fixed rack and two movable racks. The alarm unit can be collapsed and stored inside the storage box, and the powerful magnet will hold onto the trunk or roof of a car. The two movable alarm racks are erected to form a triangular alarm sign. When the power is turned on, the LED lamps are driven to provide flashing light.
REFERENCES:
patent: 5349346 (1994-09-01), Wu
patent: 5606309 (1997-02-01), Smith
patent: 5651636 (1997-07-01), Yeh
patent: 5775253 (1998-07-01), Quan et al.
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