发明名称 Vehicle jack
摘要 A vehicle jack including a top table fixed to the bottom side of a motor vehicle, a control unit mounted on the top table, the control unit having a rotation control lever, a lifting control lever, and an extension control lever, a power unit, which includes a battery, a motor connected to the battery, an oil tank, a hydraulic oil loop, and a pump driven by the motor to pump hydraulic oil out of the oil tank into the hydraulic oil loop, a base table revolvably coupled to the top table, the base table having a driven gear fastened to the top table, a driving gear meshed with the driven gear and driven by the rotation control lever through a motor pump being coupled to the hydraulic oil loop, and three stands equiangularly pivoted to the base table, each stand having two opposite reciprocating parts reciprocated by hydraulic oil from the hydraulic oil loop through the control of the lifting control lever and extension control lever of the control unit.
申请公布号 US5639065(A) 申请公布日期 1997.06.17
申请号 US19950529731 申请日期 1995.09.18
申请人 LIN, CHING-CHUNG 发明人 LIN, CHING-CHUNG
分类号 B60S9/20;(IPC1-7):B66F3/24 主分类号 B60S9/20
代理机构 代理人
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