| 摘要 |
PURPOSE: A jack for a vehicle is provided to make use convenient by reducing the weight and size and to conveniently withdraw a jack body from the bottom of a vehicle body by integrally connecting a handle bar with a rotating unit via a fixing portion of an opening and closing unit and a fixing pin of the handle bar. CONSTITUTION: A threaded shaft bar(8) is installed on the inside bottom face of a body(1). An inscription threaded portion of a lift shaft pipe(9) is fitted in a threaded portion of the threaded shaft bar. The upper inner face of the lift shaft pipe is fitted with an inscription threaded portion of a secondary lift shaft(10). A fixing piece of the secondary lift pipe is fitted in a guide ledge of the body. The fixing piece lifts up and down. A rotating unit(3) is fitted in a rotating unit support body(2) and rotated by a fixing pin of a handle bar. A fixing hole is formed on the rotating unit, and a fixing ledge is connected to the rotating unit. If the fixing hole of the rotating unit is aligned with the fixing recess of an opening and closing unit, the handle bar is locked of unlocked. If the fixing recess is closed, the handle bar is fixed. Then, the body is pushed into the bottom of a vehicle body by using the handle bar.
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