Geometrical instruments
Patent
1979-12-28
1982-01-05
McQuade, John
Geometrical instruments
337198, 337293, 337297, H01R 1368
Patent
active
043090699
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 a pair of active fuse elements on one side and a spare pair on another side which can be used by removing the fuse unit, turning it to properly orient the spare pair, 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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