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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0077675 (1979-09-21) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
Trailer hitch apparatus is disclosed of the type having a ball and socket coupling wherein the ball includes an upper cap and lower ball section with opposing overlying faces in which electrical contacts are incorporated and wherein the upper cap section is suspended in the socket coupling and conto
A trailer hitch for connecting a towing vehicle having an electrical power source to a towed vehicle having at least one electrically actuated device, said hitch comprising: a ball section adapted to be connected to one of said vehicles, said ball section including a vertically disposed face having
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