| 摘要 |
<p>The present invention relates to a device designed to adjust the height of the platform on industrial vehicles with pneumatic suspension, comprising the following four operating modes: "raise", "lower", "stop" and "go", and which in a preferred embodiment includes a "reset" function. The ball joint at the end of the actuating lever rests on spherical seats on the cover and the main body of the device such the said lever only tilts, said ball joint having four attachments arranged to form a cross, which interact respectively with three slide valves and a pneumatic cylinder. The main cover has a T-shaped slot that limits the positions of the lever.</p> |
