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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0115982 (1993-09-01) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 26 인용 특허 : 0 |
A fully integrated, three-stage automatic weight distributing hitching system for a trailer and towing vehicle which utilizes a funnel-shaped receiver system (100), a head assembly (D) with elongated shank (160), spring bars (C) and chains (B), and a motorized electromechanical screw-driven piston d
A weight distribution trailer hitch system, comprising: a receiver tube adapted to be mounted to a towing vehicle; first and second spring bars; a head assembly including a ball hitch and an elongated shank adapted to be received in said receiver tube, said head assembly including first and second s
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