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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0713632 (1976-08-12) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A U-shaped trailer frame is supported above the ground on wheels and includes a U-shaped sub-frame pivotally connected thereto for pivotal movement between raised and lowered positions with the front end of the sub-frame engaging the ground in the lower position and the rear end engaging the ground
A snowmobile trailer comprising, a trailer frame having front and rear ends and being U-shaped and open at its rear end, ground engaging wheels on said frame for supporting said trailer frame above the ground, a U-shaped sub-frame open at its rear end pivotally connected along its side members to ad
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