Safety electrical plug
First Claim
Patent Images
1. An electrical plug comprising:
- a plug housing having a housing face;
a generally hollow probe extending from said housing face to a probe face;
a plurality of prongs disposed within said probe,said prongs urged to an unlocked position retracted into said probe and movable to a locked position extending from said probe face; and
a piston retained within said probe between said prongs,said piston slidable between a first position proximate said probe face so as to force said prongs to said locked position and a second position distal said probe face so as to allow said prongs to retract to said unlocked position.
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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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Citations
6 Claims
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1. An electrical plug comprising:
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a plug housing having a housing face; a generally hollow probe extending from said housing face to a probe face; a plurality of prongs disposed within said probe, said prongs urged to an unlocked position retracted into said probe and movable to a locked position extending from said probe face; and a piston retained within said probe between said prongs, said piston slidable between a first position proximate said probe face so as to force said prongs to said locked position and a second position distal said probe face so as to allow said prongs to retract to said unlocked position.
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2. An electrical plug comprising:
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a plug housing; a probe portion of said housing adapted to insert into an electrical outlet; a plurality of prongs retained by said probe portion; said prongs moveable between a first position retracted within said probe portion and a second position extending from said probe portion, said prongs adapted to connect to an electrical power source at said outlet in said second position; a plurality of conductors within said plug housing adapted to carry current between said prongs and an electrical load; an adapter socket disposed in said plug housing; a plurality of clips retained by said adapter socket configured to accept a standard AC electrical plug, said clips electrically connected to said prongs; and a door adapted to cover and retain said standard AC electrical plug. - View Dependent Claims (3)
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4. An electrical plug comprising:
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a housing; a probe extending from said housing; a pair of prongs disposed within said probe; a plurality of curved spring bar portions of said prongs configured to urge said prongs to retract within said probe; and a piston slidably retained within said probe, said piston movable between a first position pressing against said spring bar portions so as to force said prongs to extend from said probe and a second position allowing said spring bar portions to retract said prongs within said probe. - View Dependent Claims (5, 6)
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Specification