| 摘要 |
A swiveling handle mounting mechanism mounted on the pump of the hydraulic unit of a hydraulic garage jack is disclosed to include a seat affixed with a pressure plate to the pump beyond the oil return valve of the hydraulic unit, a swiveling holder horizontally rotatably coupled to the seat beneath the pressure plate, a handle sleeve vertically pivotally connected to the swiveling holder and holding an operating handle for driving the pump to pump out the hydraulic fluid for lifting the load, a locking mechanism installed in the swiveling holder at one side for locking the handle sleeve to the swiveling holder, and a pedal pivoted to the swiveling holder for operation by the user to open a release valve for allowing return of the hydraulic fluid.
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