A device for demonter and raising of the covers of the manholes on an apparatus under pressure.

摘要

P & a device making it possible to handle, quickly and accurately, the covers several manholes on an apparatus under pressure. / p & & p & it is characterized by a column pivotally mounted on a rolling device, and by a frame mounted to slide on the column, this frame carrying a support assembly with a double articulation with table displaceable by translation. This device is particularly suitable for the work to the generators. / p