Safety plug

Details Safety plug Safety plug

1992-10-21

1993-10-12

Schwartz, Larry I.

Electrical connectors

With contact preventer or retractable cover part

Movably mounted

439136, H01R 1344

Patent

active

052520820

ABSTRACT:
A plug includes two prongs extended outward from a body, a casing slidably engaged on the body of the plug and having a hardness greater than that of said body, a spring biasing the casing away from the body, and a housing engaged on the casing. A sleeve is embedded in the body for preventing the spring from electrically connecting with the prongs. The prongs are shielded by the casing during plugging operation of the plug.

REFERENCES:
patent: 3754205 (1973-08-01), Lenkey
patent: 4340267 (1982-07-01), Nukaga
patent: 5030119 (1991-07-01), Lowe

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