Electricity: electrothermally or thermally actuated switches – Electrothermally actuated switches – Fusible element actuated
Patent
1989-03-21
1990-02-27
Broome, H.
Electricity: electrothermally or thermally actuated switches
Electrothermally actuated switches
Fusible element actuated
337198, 439622, H01H 8502
Patent
active
049049763
ABSTRACT:
A combination plug including an outer housing, an inner housing slidably insertable into the outer housing, a fuse assembly retained within the inner housing, and a snap fitted conductor body fitted within the outer housing. The inner housing includes a pair of prongs which are passable through respective slots of the outer housing and a pair of openings for receiving the prongs of an add-on plug. The fuse assembly includes an H-shaped plastic fuse holder, a pair of fuses held in respective grooves of the plastic fuse holder, and four copper covers, each cover covering a respective terminal of the H-shaped fuse holder and connecting both ends of each fuse. The snap fitted conductor body includes a conductor tap casing, two conducting wires, and two conductor taps. The provision of the copper covers is to provide a larger contact surface between the fuses and the conducting taps of the conductor body and the prongs.
REFERENCES:
patent: 4684914 (1987-08-01), Wu
patent: 4768979 (1988-09-01), Wu
Broome H.
Klein David I.
Rosenberg Morton J.
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