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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0369174 (2003-02-18) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 12 |
A step configured to be attached to the drawbar of a trailer hitch. The step incorporates a hole and a ball mount receiver. The ball mount receiver is placed over the ball mount on the hitch. The hole allows the hitch ball and its accompanying lock washer and nut to be used to simultaneously mount t
1. A step configured to be attached to a trailer hitch on a vehicle, wherein said trailer hitch includes a ball mount with a horizontal portion pierced by a hole through which a threaded shaft of a hitch ball is passed to attach said hitch ball to said ball mount by the addition of a nut threaded on
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