Rotating warning lamp

Details Rotating warning lamp Rotating warning lamp

1978-04-17

1982-03-16

Caldwell, Sr., John W.

Communications: electrical

Digital comparator systems

340 50, 340 84, 340 87, 362 35, B60Q 146

Patent

active

043203850

ABSTRACT:
A rotating lamp comprising a lamp base and an electric motor mounted on the lamp base. The electric motor drives a hollow shaft on which the lamps are mounted. A conductive rod extends through the shaft and is electrically isolated from the shaft. The lamps which are mounted on the shaft are electrically interconnected between the rod and the shaft. The housing of the electric motor is electrically isolated from the base. Brush means provide electrical continuity between the power source and the rod. Additional brush means provide electrical continuity between the shaft and the base.

REFERENCES:
patent: 2578239 (1951-12-01), Gosswiller
patent: 3117302 (1964-01-01), Cardarelli
patent: 3271735 (1966-09-01), Gosswiller
patent: 3633161 (1972-01-01), Price
patent: 3732537 (1973-05-01), Freeman
patent: 3784809 (1974-01-01), Smith
patent: 4004274 (1977-01-01), Menke et al.

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