Patent ID: 6772524
Filing Date: 2004-08-10
Classification: G01B,Y10S

Abstract:
A chassis alignment system adapted for use in aligning the wheels of a vehicle having front wheels mounted upon opposed steerable stub-axles, each stub-axle having a central axis, the chassis alignment system comprising a pair of alignment tools, the alignment tools being receivable upon said stub-axles in opposed relation to each other in place of the wheels, each alignment tool comprising a rigid, unitary housing having a mounting receivable directly on the respective stub-axle, the mounting supporting the housing from the stub-axle in a fixed attitude with respect to the respective central axis, the housing being adjustable in position around the stub-axle, each housing accommodating a first laser emitter which in use will emit a beam in a direction parallel to the central axis of the respective stub-axle, each alignment tool further comprising a graduated target positioned in use to receive the beam from the first laser emitter of the other alignment tool, each target having a reference point located at a fixed position relative to the central axis of the respective stub-axle, wherein the point of incidence of each beam on the respective target relative to the reference point enables the determination of the orientation of the stub-axles with respect to each other.