Tube pump with retractable rollers

摘要

A tube pump is disclosed for conveying liquid or viscous media, with a pump head on which at least two pump rollers are arranged, which rollers can be brought into engagement in succession with a tube wherein the medium to be conveyed is contained, in such a way that the medium is transported by squeezing the tube tightly. The tube pump according to this invention is distinguished in that the pump rollers can be shifted between two end positions, one of which positions (pumping position) permits the pumping operation and the other position (park position) permits a tube change without manual twisting of the pump head and without displacement of the tube bed.