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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0197649 (1988-05-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 3 |
An improved trailer hitch assembly of the draw bar type consisting of a receiver tube mounted on the tow vehicle to receive a draw bar tube in vibration damped retention while extending a hitch ball. The draw bar tube retains a resilient spring block assembly that is secured to the receiver tube by
An improved trailer hitch for attachment to a towing vehicle, comprising: a receiver tube having first and second side walls and means attached thereto for securing to the towing vehicle, said receiver tube having transversely aligned holes formed through respective first and second side walls; a dr
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