Electrical receptacle with releasable locking means

Details Electrical receptacle with releasable locking means Electrical receptacle with releasable locking means

1977-11-04

1979-01-30

Abrams, Neil

Geometrical instruments

339 80, 339 91R, H01R 1354

Patent

active

041369190

ABSTRACT:
An electrical cord connecting receptacle, which may be of the grounding type, incorporates a mechanism which locks the current carrying conductor blades of a plug or cap to the current carrying conductors of the receptacle. The locking mechanism prevents the cap from being accidentally withdrawn from the receptacle under normal conditions of use. Through the use of spring-biased pins positioned to engage holes in the cap blades, the device provides for snap-in receipt of the cap blades, release of the cap by manual release of the pins, and emergency release by an unusually heavy pull on the cap.

REFERENCES:
patent: 2664734 (1954-01-01), McEneaney
patent: 2704831 (1955-03-01), Smith
patent: 2732531 (1956-01-01), Janowiec
patent: 2847652 (1958-08-01), Kokalas
patent: 3489989 (1970-01-01), Robaczewski
patent: 4060297 (1977-11-01), Marshall et al.

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