In a suction device for the intake by suction and/or extraction by suction of chips or dust, comprising a lower part (1) which is preferably provided with rollers (17), a collection container (2) which can be placed on said lower part and an upper part (3) which closes said collection container and has a motor-drivable fan (9) and a filter cartridge (7) which separates said fan from the interior of the collection container (2), an air inlet (4) which opens into the collection container (2) and is provided with a connector (6) and an air outlet (5) which is arranged downstream of the fan (9) being provided, a low transport volume can be achieved in a simple manner as a result of the fact that there is arranged between the lower part (1) and upper part (3) a support means which is configured in the manner of a telescope and with which there is associated a means (14) for receiving the upper end region of the collection container (2), the axial length of which is variable and the base of which can be secured to the lower part (1).