# US 7,407,404 B2 · Double male two-prong electrical connector apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,407,404 B2 - Document ID: US7407404B2 - Status: Granted - Kind: B2 - Application number: 11/103,843 - Filed: 2005-04-12 - Published: 2005-08-11 - Granted: 2008-08-05 - Earliest claimed: 2003-04-18 - Inventors: Georgianna Reid - Web page: https://patentgrep.com/patent/US7407404B2 ## CPC - H01R 27/00: Coupling parts adapted for co-operation with two or more dissimilar counterparts ({for dissimilar contact members H01R13/35}; supported only by co-operation with a counterpart H01R31/00; with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/90) - H01R 13/44: Means for preventing access to live contacts {(making use of a switch actuated by engagement of counterpart H01R13/7036)} - H01R 24/28: Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable - H01R 4/2412: actuated by insulated cams or wedges - H01R 13/506: assembled by snap action of the parts - H01R 2103/00: Two poles - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A double male electrical connector is provided to connect the female end of a string of Christmas lights with the female end of an extension cord suitable for plugging into a wall outlet. The inventive connector is particularly useful when Christmas lights are wrapped from the wrong direction so that after wrapping the lights the female end is loose. The connector includes a conventional conductive cord with a first end and a second end. The first end has a first male plug and the second end has a second male plug. Each male plug has a first lead and a second lead for plugging into a two-prong receptacle. In accordance with the invention there is no third grounding lead. In an alternative embodiment the connector has a safety cap on at least one of the male plugs for safety, i.e., when the connector is not in use. In the preferred embodiment the apparatus includes a jacket receiving the connector for axially slidable use so that both male plugs cannot both be simultaneously exposed. ## Claims ### Claim 1 In combination a connector and a jacket wherein: a) said connector includes an elongate electrically conductive cord joined to first and second electrical male plugs on opposite ends of the cord; the cord having a first length; each of said plugs having a cross section that is larger than the cross section of said cord; and b) said jacket is a hollow elongate tube having opposite first and second ends and a second length wherein said first length is approximately one half said second length; said jacket having an internal restrictive neck that is spaced from said tube first and second ends; said cord passes through said neck and said plugs are located on opposite sides of the restrictive neck; said neck having a cross section larger than said cord but smaller than said plugs, such that said cord slides freely within said neck and said plugs are prevented from passage through said neck so that said connector is captured within said jacket and the cord is sized such that both plugs cannot be simultaneously exposed; said neck being spaced from said tube opposite ends sufficiently to allow either of said plugs to fully enter said tube; whereby when said first male plug is outside said tube, said second male plug is fully located within said tube. ### Claim 2 (depends on 1) The combination of claim 1, said jacket formed of insulative synthetic resin material. ### Claim 3 (depends on 1) The combination of claim 1, wherein said jacket is substantially twice as long as the axial length of the electrical connector. ### Claim 4 (depends on 1) The combination as claimed in claim 1, wherein upon the first male electrical plug being disposed outside the first end of the tube, the second male plug abuts against the neck, and upon the second male electrical plug being disposed out side the second end of the tube, the first male plug abuts against the neck. ### Claim 5 (depends on 1) The combination of claim 1, wherein said first and second ends of the tube are externally threaded. ### Claim 6 (depends on 5) The combination of claim 5, including covers threadably secured to the externally threaded ends of said tube. ### Claim 7 (depends on 1) The combination according to claim 1 wherein: a) said tube is constructed of a stiff polymeric resin. ### Claim 8 (depends on 7) The combination according to claim 7 wherein: a) said stiff polymeric resin is PVC. ### Claim 9 In an apparatus having a connector with dual male plugs wherein the connector has an electrical conduit with male electrical plugs at opposite ends of and electrically joined to the conduit and further wherein the connector has a first length; the improvement comprising: a) a protective jacket positioned about the connector; said jacket having an elongate tube that has a second length that is approximately twice as long as said connector first length; b) said tube having open first and second opposite ends; said tube having an interior restriction that is approximately equally spaced from said tube first and second ends; said restriction being sized and shaped to slidingly receive said conduit therethrough while being too narrow to allow passage of either of said plugs; said conduit being positioned through said restriction and said first and second plugs being positioned on opposite sides of said restriction such that said connector is captured within said jacket; said restriction being spaced from said tube ends at least sufficiently to allow both of said first and second plugs to alternatively fully enter said tube; whereby whenever the first of said plugs is extending from said tube, the second of said plugs is within said tube. ### Claim 10 (depends on 9) The apparatus according to claim 9 wherein: a) said jacket is constructed of PVC.