Machine for installing and removing tyres

The machine has a table (11) for attaching a rim (2) and rotating the rim in a centered manner around a vertical axis (Y). A fitting and removal tool (12) fits and removes a tire (1). A movable structure (20) has four arms (A-D) connected together two by two by four pivots (p-s), respectively. The pivots are provided with pivot axes that are parallel with one another, respectively. One of the arms is secured to a frame (10), and the tool is connected to the other arm.