Safety electrical plug

Electrical connectors – With contact preventer or retractable cover part – Movably mounted

Reexamination Certificate

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Details

C439S911000, C174S066000

Reexamination Certificate

active

06979212

ABSTRACT:
An electrical plug comprises a plug housing having a housing face and a generally hollow probe extending from the housing face to a probe face. Prongs are disposed within the probe. The prongs are urged to an unlocked position retracted into the probe and movable to a locked position extending from the probe face.

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Cooper Industries, Inc.; Crouse-Hinds Division; Power-Lock Locking Devices—Product Specification 1996; pp. B6. B55; Syracuse, NY.

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