| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a post lift capable of lifting a vehicle with a simple constitution. <P>SOLUTION: This post lift includes at least one supporting post 2, a sustaining element 4 for lifting the vehicle and fixing a position by sliding along the substantially vertical direction on the post, a fluid actuator device 7 for driving the sustaining element, a pumping device 8 for sending a first fluid through a first closed circuit into the actuator device, an exhaust valve for moving the sustaining element to a lowered position from a raised position by making the first fluid flow out of the actuator device by operation, a second closed circuit arranged in the exhaust valve, and a manual device 22 for varying pressure of a second fluid inside the second closed circuit between a minimum pressure value of closing the exhaust valve and a maximum pressure value of opening the exhaust valve. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
