Electrical installation

Details Electrical installation Electrical installation

1975-09-24

1976-06-01

Lake, Roy

Geometrical instruments

339 75R, H01R 1360

Patent

active

039604268

ABSTRACT:
A power take-off adaptor for a continuous outlet electrical supply installation has separate and independently manually rotatable shafts for operating contact fingers and mechanical fixing means respectively. The shafts have interengaging radial cam formations which prevent operation of the contact fingers except when the mechanical fixing means is operative.

REFERENCES:
patent: 3611252 (1971-10-01), Fremont
patent: 3757273 (1973-09-01), Hesse
patent: 3894781 (1975-07-01), Donato

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