A lower chuck assembly used in a chucking apparatus of a tire uniformity machine comprises a dual piston cylinder having an axially movable outer piston rod, an inner piston rod axially movable with respect to said outer piston rod, said inner piston rod h...

A grinding assembly (10) contacts a tire (T) supported by a frame (F) relative to the tire. The grinding assembly includes at least one section, and an axial positioning assembly supporting the at least one section (10A,10B). The axial positioning assembly...