Patent ID: 7921713

Claim:
A test fixture for testing a motor vehicle suspension, brake components and wheel components on a motor vehicle sub-frame, said test fixture comprising: a base surface; a lower frame attached to said base surface; an upper frame oppositely disposed to said lower frame; a sub-frame attached between said lower frame and said upper frame; said lower frame and said upper frame holding said sub-frame above said base surface; a shaker system attached to said base surface and said sub-frame, said shaker system operable to provide a predetermined vertical displacement profile to said sub-frame; a motor attached to an axle assembly on said sub-frame and operable to rotate a rotor of said sub-frame at a predetermined rate of rotation; a non-contact gap sensor attached to said sub-frame, said non-contact gap sensor operable to and detect movement between a first sub-frame component and a second sub-frame component of said sub-frame when said shaker system provides the predetermined vertical displacement to said sub-frame.