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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0559036 (1975-03-17) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 16 인용 특허 : 0 |
A device is provided for sensing the magnitude and direction of angular departures of a towing vehicle from a path which will bring a hitch mounted thereon into engageable relationship with a hitch mounted on a trailer, for registering the changing distance between such hitches, and for indicating t
In combination with a pair of vehicles having complementary hitches each mounted axially of its vehicle and capable of relative pivotal movement about a vertical axis when engaged; a director for sensing relative alignment of the axis of one of said vehicles with respect to a line intersecting said
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