Geometrical instruments
Patent
1978-04-13
1979-10-02
Lake, Roy
Geometrical instruments
339103C, 339276A, H01R 306
Patent
active
041696409
ABSTRACT:
An electric plug that has a pivoted "ground" terminal which may be swung from operative to an inoperative and protective position. The base for the "ground" terminal as well as the base for each of the two electrodes are provided with integral hook-shaped projections around which the bare strands of each wire in the three wire cable can be tightly wound for making an electrical connection between the bare strands of a wire and its associate base. In addition, the terminal carrier that receives the three wire cable has one end received in an end cap provided with recesses for receiving the outer ends of the hook-shaped projections. Also, the end cap has shoulders for pressing the bare strands of the wires into intimate contact with its associate base.
REFERENCES:
patent: 1721207 (1929-07-01), Cunningham
patent: 2986718 (1961-05-01), Bender, Jr.
patent: 3461417 (1969-08-01), Schumacher et al.
Jones DeWalden W.
Lake Roy
Piper William R.
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