Geometrical instruments
Patent
1978-12-28
1980-03-04
Lake, Roy
Geometrical instruments
339 62, H01R 1358
Patent
active
041914449
ABSTRACT:
A dead front plug is provided having an insulating housing with the general configuration of a valise. The electric cord enters the housing from the top of the valise. Strain relief is provided integral with the housing and comprises an annular channel around which the separated strands of the wire is directed. Radially extending pairs of walls in opposite sides of the valise press the two wire arcs into generally sinusoidal configuration along the length of each arc. Secure wire retention and strain relief is achieved.
REFERENCES:
patent: 2192737 (1940-03-01), Folsom
patent: 4067634 (1978-01-01), Hoffman
Ostrelich Michael J.
Smith Donald F.
Bernkopf Walter C.
General Electric Company
Jones DeWalden W.
Lake Roy
Rochford Paul E.
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