Cylinder assembly for hydraulically or pneumatically operated lifting devices, has cylinder with closure, which is filled with operating material in interior space, where closure has filling channel which is cut by closure channel

摘要

The cylinder assembly (1) has a cylinder (3) with a closure (5), which is filled with an operating material in an interior space (7). The closure has a filling channel (19) which is cut by a closure channel (17). A locking piece (21) is arranged in the closure channel, which is movable between a filling position and a sealing position. The closure channel is formed as a passage opening and the filling channel is formed as a blind hole opening. The locking piece of the closure channel seals the filling channel with the closure channel on both sides of the intersection points.