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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0025173 (1998-02-18) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 23 인용 특허 : 3 |
A vehicle jack which operates by leverage using the motion of the vehicle to lift an axle of the vehicle into the air. The jack has an outer tube which telescopes over an inner tube, and is adjustable for height. A base plate attached to the tubes grips the road surface with a rubber surface or with
[ I claim:] [1.] A vehicle jack for lifting any one wheel from a position under an axle of a four wheel drive vehicle using leverage and in response to movement of said vehicle in relation to a road surface, which is removable from contact with said vehicle for storage and for use on other axles, co
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