In an apparatus support device with a suction retaining structure for supporting minicomputers, navigation devices or mobile telephones, comprising a suction foot, a hollow column connected with one end to the suction foot and enclosing an operating mechanism for the suction foot and a joint structure disposed at the other end of the hollow column and supporting an apparatus holder, the hollow column consists of two complementary semi-shells which, with their bottom ends, extend around the suction foot and are provided at their opposite ends with joint structures which are releasably clamped between the semi-shells.