Suction device e.g. vacuum cleaner for sucking inable objects in e.g. flat glass industry, has sealing portion that covers evacuation opening in vertical position of retainer, and control system that controls movements of shaft

摘要

The device has housing (1) that is provided with a planar outer region as retainer (4) for suction region covering (2). A sealing region (5) is arranged at the top of the housing. The suction region covering is firmly connected to a longitudinal axis height-displaceable shaft (3). The suction region covering is moved horizontally into a vertical position. The suction area is provided with a sealing portion for covering an evacuation opening (6) in the vertical position of the retainer. A control system is provided for controlling the movements of the shaft.