Insulating electrical plugs and method of manufacture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01R-024/28
H01R-043/16
H01R-013/405
H01R-013/504
H01R-024/30
H01R-043/24
H01R-105/00
H01R-103/00
출원번호
US-0825334
(2015-08-13)
등록번호
US-9496660
(2016-11-15)
발명자
/ 주소
Kao, Selvin
DeGuzman, Philip Carlo J.
출원인 / 주소
STANDARD CABLE USA, INC.
대리인 / 주소
Innovation Capital Law Group, LLP
인용정보
피인용 횟수 :
3인용 특허 :
8
초록▼
Electrical plugs having single and double insulation as well as the method for manufacturing the double insulating electrical plugs are disclosed. The single insulated electrical plugs have internal walls which electrically isolate the electrical connectors. The single insulated electrical plug has
Electrical plugs having single and double insulation as well as the method for manufacturing the double insulating electrical plugs are disclosed. The single insulated electrical plugs have internal walls which electrically isolate the electrical connectors. The single insulated electrical plug has a one-piece body with a central base which accepts the electrical connectors, as well as two covers hingably coupled to the base to secure the connectors in place. The double insulated electrical plugs are insulated by both an inner body as well as the overmold material. The inner body has vents which enable overmold material to be injected into the inner portions of the inner body as well as onto the outside of the inner body. During the manufacturing process, molten material flows over the outside of the inner body, and also flows into the interior of the inner body to provide two layers of electrical insulation.
대표청구항▼
1. An electrical plug comprising: a wire assembly comprising an electrical cord having at least two wires and at least two electrical connectors, each connector having an electrical prong, a mounting tab, and a wire connector, the electrical connectors connected to a corresponding wire forming at le
1. An electrical plug comprising: a wire assembly comprising an electrical cord having at least two wires and at least two electrical connectors, each connector having an electrical prong, a mounting tab, and a wire connector, the electrical connectors connected to a corresponding wire forming at least two electric power lines;a one-piece body comprising:a base having one or more latching mechanisms and at least two cavities, each of the cavities having a through-hole for receiving a corresponding electrical prong;a first cover hingably coupled to the base on a first side of the base, the first cover rotatable about a first axis generally parallel with the length of the wires positioned near the body; and,a second cover hingably coupled to the base on a second side of the base opposite the first side of the base, the second cover rotatable about a second axis generally parallel with the length of the wires positioned near the body;wherein the first and second covers are movable from open positions exposing the cavities in the base to closed positions where the first and second covers each couple to the latching mechanisms of the base, the first and second covers partially surrounding the cavities. 2. The electrical plug of claim 1, wherein the portions of each power line positioned within the body of the electrical plugs are separated by one or more insulating walls from that of other power lines. 3. The electrical plug of claim 1, wherein the portions of each power line positioned within the body of the electrical plugs are electrically insulated from that of other power lines. 4. The electrical plug of claim 1, wherein the first and second covers each further comprises a protrusion on an outer surface of the first and second covers. 5. The electrical plug of claim 1, wherein the base further comprises a plurality of eyelet shoulders, each shoulder surrounding the through-holes and extending away from the base in a direction parallel with the electrical prongs. 6. The electrical plug of claim 1 further comprising: a ground pin electrical connector; anda ground pin assembly securing the ground pin electrical connector, wherein the ground pin assembly is configured for engaging with the base. 7. The electrical plug of claim 6, wherein: the ground pin assembly further comprises a T shaped rib;the base further comprises an outer track shaped to receive the T shaped rib;the ground pin assembly engaging with the base comprises the track on the base receiving the ground pin assembly. 8. The electrical plug of claim 1, wherein said each cavity of the base further comprises a mounting surface for engaging the mounting tab of each of the electrical connectors. 9. The electrical plug of claim 8, wherein the mounting surfaces and the first and second covers positioned in the closed position essentially secures the electrical connector within the one-piece body. 10. The electrical plug of claim 1, wherein the first and second covers each further comprises a tab for engaging with the latching mechanism of the base. 11. An electrical plug comprising: a wire assembly comprising an electrical cord having at least two wires and a first and a second electrical connectors, each electrical connector having a prong section, a mounting tab section, and a wire connector section, the electrical connectors connected to a corresponding wire forming at least two electric power lines;a one-piece body comprising: a base portion having at least two cavities, each of the cavities having a through-hole and a mounting surface, a first through-hole receiving the prong section of the first electrical connector, a second through-hole receiving the prong section of the second electrical connector, the base portion further comprising a central latching mechanism; a first cover hingably coupled to the base on a first side of the base, the first cover rotatable about a first axis generally parallel with the length of the wires positioned near the body; a second cover hingably coupled to the base on a second side of the base opposite the first side of the base, the second cover rotatable about a second axis generally parallel with the length of the wires positioned near the body;wherein:the first and second covers are movable from open positions exposing the cavities in the base to closed positions where the first and second covers each couple to the latching mechanism of the base, and,the mounting tab section, the wire connector section, and the portion of the wire connected to the wire connector section of the first cavity is electrically isolated from that of the second cavity. 12. The electrical plug of claim 11, wherein the portions of each power line positioned within the body of the electrical plugs are separated by one or more insulating walls from that of other power lines. 13. The electrical plug of claim 11, wherein the first and second covers each further comprises a protrusion on an outer surface of the first and second covers. 14. The electrical plug of claim 11, wherein the base further comprises a plurality of eyelet shoulders, each shoulder surrounding the through-holes and extending away from the base in a direction parallel with the electrical prongs. 15. The electrical plug of claim 11 further comprising: a ground pin electrical connector; anda ground pin assembly securing the ground pin electrical connector, wherein the ground pin assembly is configured for engaging with the base. 16. The electrical plug of claim 15, wherein: the ground pin assembly further comprises a T shaped rib;the base further comprises an outer track shaped to receive the T shaped rib;the ground pin assembly engaging with the base comprises the track on the base receiving the ground pin assembly. 17. The electrical plug of claim 11, wherein said each cavity of the base further comprises a mounting surface for engaging the mounting tab of each of the electrical connectors. 18. The electrical plug of claim 17, wherein the mounting surfaces and the first and second covers positioned in the closed position essentially secures the electrical connector within the one-piece body. 19. The electrical plug of claim 11, wherein the first and second covers each further comprises a tab for engaging with the latching mechanism of the base. 20. A method for providing an electrical plug, the method comprising: providing electrical connectors having a prong section, a mounting tab section, and a wire connector section;providing an electrical cord comprising at least two electrical wires;providing an insulating housing having a central portion having cavities and through-holes for receiving electrical connectors and a first and a second cover portions both adjacent to the central portion, the first cover portion coupled to the central portion on a first side of the central portion, the second cover portion coupled to the central portion on a second side of the central portion opposite the first side of the central portion, the first and second cover portions configured for pivoting about axes generally parallel with the length of the wires positioned near the insulating housing;connecting the wires to the corresponding electrical connectors;opening the insulating housing to reveal the central portion;inserting the electrical connectors into the corresponding through-hole;rotating the cover portions to surround the electrical connectors; and,securing the cover portions in place.
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