When introducing the compressed air supply,
the following sequences of events takes places:

The circular
reinforced rubber bellows inflates and fills the gap between the mounting
plate and the floor.

As the pressure
increases, the mounting plate lifts off the floor.

When the pressure
in the bellows is higher than the counterpressure of the load, the air
flows out from the bellows forming a thin air film on which the load floats
practically fraction-free.
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