Geometrical instruments
Patent
1979-12-05
1982-01-05
McQuade, John
Geometrical instruments
337198, 337297, H01R 1368
Patent
active
043090680
ABSTRACT:
A fused electrical plug assembly is provided having a plug body with a fuse socket between projecting prongs, and a push-in fuse unit is received in the fuse socket. The fuse unit has an exposed enlarged head for gripping to remove the unit and has one opposite pair of active fuse elements between which there is a spare pair which can be used by removing the fuse unit, turning it ninety degrees, and pushing it back into the fuse socket.
REFERENCES:
patent: 2462934 (1949-03-01), Athey
patent: 2640184 (1953-05-01), Bauer
patent: 3585556 (1971-06-01), Hingorany et al.
patent: 3715698 (1973-02-01), Blewitt
patent: 4080039 (1978-03-01), Ahroni
patent: 4208645 (1980-06-01), Harmon et al.
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