Electrical connectors – With indicating or identifying provision – Connection indicating provision
Patent
1989-03-08
1989-12-19
Paumen, Gary F.
Electrical connectors
With indicating or identifying provision
Connection indicating provision
439489, 439622, 340656, H01R 1368
Patent
active
048879754
ABSTRACT:
A fused electrical receptacle is particularly designed for use with an electrical waterbed heater. A housing includes a power cord extending therefrom for connection to a conventional AC outlet. A fuse is connected in line within the housing for providing circuit protection which prevents a shorted waterbed heater from damaging electrical circuits in a house and creating a potential fire hazard. An indicator is preferably provided within the housing for indicating when the fuse is blown. A solenoid coil may be connected to the power cord on a downstream side of the fuse and has an extensible rod disposed in a retracted position when the solenoid coil is energized and spring biased to an extended position when power supply to the solenoid coil is interrupted. A pivotal flag has a distal visual signal portion movable through an aperture in the housing between raised and lowered positions. A spring biases the flag to a lowered position and an actuating arm on the flag is disposed adjacent the solenoid coil rod for raising the flag upon failure of the fuse. An additional power indicating LED may be provided.
REFERENCES:
patent: 3924914 (1975-12-01), Banner
patent: 3987426 (1976-10-01), Jansen
patent: 4097843 (1978-06-01), Basile
patent: 4155082 (1979-05-01), Jones et al.
patent: 4178061 (1979-12-01), Ahroni
patent: 4484185 (1984-11-01), Graves
patent: 4500160 (1985-02-01), Bertsch
Kearns Jerry T.
Paumen Gary F.
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