| 摘要 |
A hydraulic floor jack is disclosed which is adapted for the tasks of lifting a vehicle and pumping up a tire. The jack is provided with a common drive motor including an elongated double-ended shaft having respective end portions projecting from the motor. The one end of the shaft is connected to and drives a piston of an air pump. The other end of the shaft is connected to a second reduction gearing which, in turn, drives an oil pump including a drive rod and a lifting mechanism including a pivoted arm set driven by the drive rod.
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