Electrical outlet guard

Details Electrical outlet guard Electrical outlet guard

1975-11-14

1977-03-08

Lake, Roy

Geometrical instruments

339110P, H01R 1362

Patent

active

040109950

ABSTRACT:
A star-shaped array of limbs projects radially outwardly from a central circular cylindrical hub in clamping engagement with an electrical plug. With the plug prongs inserted in the respective slots of an electrical wall outlet, the outer extremities of the radial limbs engage the surface of the underlying wall in the vicinity of the cover plate of the electrical outlet.
The limbs are of sufficient length so that even though the electrical conductor connected to the plug is pulled laterally, the plug prongs are compelled to withdraw substantially axially from the outlet. The outer extremity of one or more of the limbs serves as a fulcrum about which the outlet guard tilts as plug withdrawal occurs, the radial distance from the plug axis to the fulcrum being such that only a minimal amount of lateral component is exerted on the plug prongs and outlet as the plug is withdrawn. Damage to plug and outlet is thereby eliminated despite misuse and negligent handling of the plug and conductor connected to the plug.

REFERENCES:
patent: 1714763 (1929-05-01), Boyson
patent: 1857377 (1932-05-01), Hubbell, Jr.
patent: 2051425 (1936-08-01), Schlums
patent: 2134345 (1938-10-01), Sheeran
patent: 2986719 (1961-05-01), Adams

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