Patent ID: 6584877
Filing Date: 2003-07-01
Classification: G01M,Y10T

Abstract:
A tire uniformity machine for testing tires, comprising:a) a framework for receiving a tire to be tested; b) a rotatable chuck assembly located within the framework, the chuck assembly comprising an upper chuck assembly and a lower chuck assembly movable in the axial direction to chuck a tire entering the framework for testing; c) said upper chuck assembly including a spindle axially supported by said framework but freely rotatable therein; d) a motor assembly directly coupled to said spindle, said motor assembly having an annular stator assembly receiving a portion of said spindle and a rotor assembly rotatable under a field generated by the stator assembly; e) said rotor assembly being keyed to said spindle, whereby the tire is chucked within the upper and lower chuck assemblies and caused to rotate by energizing said motor assembly.