A spindle for fastening rims of vehicle wheels on repair shop machines, which comprises a frame (2) that can be associated rotationally about a working axis (A) with a repair shop machine (M), six or more movable arms (3) that are associated with the frame...

Self-centering unit for tire removal machines, comprising a plate provided with a series of angularly equidistant radial slots, in each of which a clamping jaw is received and slides to grip the edge of a wheel rim, said clamping jaws being linked together...