Patent ID: 6089084
Filing Date: 2000-07-18
Classification: G01M

Abstract:
A tire uniformity machine comprising an upper spindle and a lower spindle with each adapted to rotate about the same axis as an axis of a tire which is mounted between said spindles via upper and lower rims respectively, a fitting portion provided at the end of each spindle adapted to engage each other and a rim holding apparatus slidably engaging each spindle for upward and downward movement relative thereto with said rim holding apparatus further comprising a taper collet surrounding each spindle and having an inner hole in engagement with the periphery of each spindle and a taper surface at the outer periphery of the taper collet, each rim having a taper surface engaging the taper surface of the corresponding taper collet, a rim clamping device engaging each rim, with the rims mounted about the spindles so that each rim is capable of being moved in the axial direction of each spindle, and a fixing device for determining the axial position of the rim clamping device.