| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fluid drive motor to facilitate maintenance and inspection and lubrication and further, visually observe a state from the outside, and rapidly and accurately cope with a trouble and a failure in operation and repair proceedings. SOLUTION: This fluid drive motor comprises a double acting type cylinder 50 having first and second feed and discharge chambers 61 and 62 formed on both sides of a piston 55; a switching valve 20 to selectively perform a feed and dischage of fluid to and from the first and second feed and discharge chambers 61 and 62; and an instantaneous switching mechanism 4Q to instataneously switch the operation state of the switching valve 20 when the piston 55 is moved to a topmost rise position and a lowermost lowering position. The instantaneous switching mechanism 40 is dispsoed between the cylinder 50 and the switching valve 20.</p> |
