Abstract: Described is a method for aligning a vehicle service system (1) relative to a vehicle (2) positioned in a service area (8), where the vehicle service system (1) comprises: a calibration structure (3) for calibrating an ADAS sensor of an advanced driver assistance system of the vehicle (2); an apparatus (4) for measuring the alignment of the vehicle (2) and on which an apparatus camera (41) is mounted; wherein the method comprises the following steps: applying a front wheel target (51) and a rear wheel target (52) on a front wheel and on a rear wheel of the vehicle (2); capturing an image through the apparatus camera (41), wherein the image represents the front wheel target (51) and the rear wheel target (52); processing the image to derive information useful for positioning the calibration structure (3) relative to the vehicle (2); placing a positioning device (7) at an operating position, spaced from the calibration structure (3), in front of the apparatus (4) and alongside the first side of the vehicle (2).

Abstract: A system for adjusting a sensor of a vehicle comprises: a base unit; a support structure connected to the base unit; and a vehicle calibration assistance structure mounted on the support structure and including a target panel, which has a surface facing forward towards a service area. The surface of the target panel bears a combination of predetermined graphical features, and the vehicle is positioned in the service area. A processing system is operatively connected to the vehicle calibration assistance structure. A positioning device aids with the relative positioning between the vehicle and the vehicle calibration assistance structure.

Abstract: A method is provided for aligning a vehicle service system relative to a vehicle positioned in a service area and provided with an Advanced Driver Assistance System, ADAS. The vehicle service system includes: a calibration structure, for calibrating an ADAS sensor of the ADAS of the vehicle, and an apparatus for measuring the alignment of the vehicle, wherein an optical device for capturing images is mounted on the apparatus. The method includes the following steps: applying a front wheel target and a rear wheel target on a front wheel and on a rear wheel of the vehicle; positioning the calibration structure and the apparatus at a position in front of the vehicle; capturing images through the optical device; and processing the images to derive information useful for positioning the calibration structure relative to the vehicle.

Abstract: A mobile system and method of calibrating an ADAS sensor of a vehicle by aligning a target with the sensor, where a transport vehicle is equipped with a target adjustment stand for transporting to the vehicle, which is initially nominally positioned in front of the target adjustment stand that includes a movable target mount configured to support a target, with the target adjustment stand including one or more actuators for adjusting the position of the target mount. A computer system is used to determine an orientation of the vehicle relative to the target adjustment stand, with the position of the target mount being adjusted based on the determined orientation of the vehicle relative to the target adjustment stand. Upon properly orienting the target mount, and the target supported thereon, a calibration routine is performed whereby the sensor is calibrated using the target.

Abstract: A machine-vision vehicle service system, and methods of operation, incorporating at least one gimbaled sensor module configured with at least an optical range finder to acquire measurements associated with physical floor surfaces in proximity to a vehicle undergoing service for guiding corrected placement of ADAS target components relative to an established vehicle floor plane.

Abstract: A system and method for guiding placement of a vehicle service external fixture relative to a vehicle undergoing service or inspection. A vehicle service system support structure having at least one camera module is positioned at an initial location within a vehicle service area, and a location of the initial location within a vehicle reference frame is established from images of optical targets secured to the vehicle. The vehicle service system support structure is subsequently repositioned relative to the vehicle to a new position located outside of an external fixture placement region, while maintaining at least one of the observed optical targets within a field of view of the camera module. The new position of the vehicle service system support structure within said vehicle reference frame is determined from target images, and a placement location within the placement region for the external fixture is identified relative to the vehicle.

Abstract: An apparatus (1) for calibrating an ADAS sensor of an advanced driver assistance system of a vehicle (9), comprises: a base unit (2); a support structure (3) connected to the base unit (2); a vehicle calibration assistance structure (4), including a first surface which has a first combination of predetermined graphical features and which can be associated with the support structure so that the first surface, at an operating position, faces towards the service area (8); a flexible panel roller assembly connected to the support structure and including a roller and a flexible target panel (40).

Abstract: A measurement system for frames of heavy duty trucks and trailers does not require a dimensional reference database. A plurality of electronic targets are attached to selected target points on the frame. A position of the laser scanner from the selected target points is determined. Measurement data for additional targets is determined. The frame dimensions are then analyzed for defects that are greater than a pre-set tolerance. Measurements outside of a tolerance range can be flagged with contrasting color. The results of the frame analysis are shown on the user's screen, on the electronic target, and can be printed out or emailed for future inspection. The frame can be repaired while the targets and laser scanner are still deployed so that the measurement system can continue to display the status of the measurement points in real time and the success of the repairs can be confirmed.

Abstract: An apparatus including a focused light beam receptor apparatus configured to be positioned proximate a first end of a vehicle, a focused light beam generator; and wherein the focused light beam receptor apparatus includes a focused light beam receiving surface for receiving a focused light beam from the focused light beam generator to provide alignment of the focused light beam receptor relative to a centerline of the vehicle. A method of aligning a focused light beam receptor, focused light beam generator and a movable alignment stand relative to a centerline of a vehicle is also provided.

Abstract: A machine-vision vehicle service system, and methods of operation, incorporating at least one at least one camera and an optical projector for guiding placement of vehicle service components relative to a vehicle undergoing service. The camera and optical projector are operatively coupled to a processing system configured with software instructions to selectively control a projection axis orientation for the optical projector to enable projection of visible indicia onto various surfaces visible within the field of view of the camera.

Abstract: An apparatus (1) for calibrating an ADAS sensor of a vehicle (9) comprises: a base unit (2) including a plurality of wheels (20); a support structure (3) integral with the base unit (2); a vehicle calibration assistance structure (4), mounted on the support structure (3) and including a calibration device (41, 42) configured to facilitate aligning or calibrating the ADAS sensor; a position detector, configured to capture values of a position parameter representing a position of the support structure (3) relative to the vehicle (9); a processing unit, configured to process the values of the position parameter in real time to derive information regarding an actual position of the support structure (3) relative to the vehicle (9).

Abstract: A sensor calibration tool, in particular for calibrating sensors on a vehicle, includes a vertical rail defining a first axis, and first and second carriage assemblies. The first carriage assembly is supported by the vertical rail, movable along the first axis, and has a horizontal rail defining a second axis transverse to the first axis. The second carriage assembly is supported by the horizontal rail, movable along the second, and has a target mount that releasably supports a calibration target. A calibration tool includes a horizontal rail defining a first axis, a first carriage assembly movable along the first axis, a mounting bar defining a second axis and pivotable about a pivot axis transverse to the first and second axes, and a target mount positioned on the mounting bar. The first carriage assembly and the mounting bar move independently.

Abstract: The present invention relates to the technical field of automobile maintenance and device calibration, discloses an on-board radar calibration device, the on-board radar calibration device including a laser-corner reflecting apparatus. The laser-corner reflecting apparatus includes a laser and a corner reflector, the corner reflector being mounted to the laser. The laser is configured to emit a laser, so as to calibrate positions of the corner reflector and an on-board radar. The corner reflector is configured to reflect a radar wave emitted by the on-board radar, so that the radar wave returns along an original path, to calibrate an installation angle of the on-board radar. In the present invention, the corner reflector and the on-board radar may be calibrated using the laser, and then the on-board may be calibrated using the corner reflector, without the help of other calibration apparatuses, simplifying operations for calibrating the on-board radar.

Abstract: The present invention relates to the field of vehicle correction, and provides a calibration system and a calibration bracket thereof. The calibration bracket includes: a base, a stand assembly and a beam assembly. The stand assembly is fixedly connected to the base. The beam assembly includes a first beam portion, a second beam portion and a connecting portion, the connecting portion being mounted to the stand assembly, one end of the connecting portion being hinged to the first beam portion, and the other end of the connecting portion being hinged to the second beam portion. The first beam portion and the second beam portion can respectively rotate toward each other relative to the connecting portion, so that the beam assembly can be folded. The first beam portion and the second beam portion can also respectively rotate away from each other relative to the connecting portion, so that the beam assembly can be unfolded.

Abstract: Methods and systems for leveling a headlamp of a vehicle on a ground surface using a portable device may include determining, by a processor and a leveling software application tool of the portable device, a zero reference earth plane of the ground surface on which the vehicle is disposed, setting the zero reference earth plane as a vehicle longitudinal axis of the vehicle with respect to the ground surface, determining a current illumination axis of the headlamp based on a feedback from the headlamp received by the portable device, and generating a calibration level angle based on a comparison of the vehicle longitudinal axis and the current illumination axis.

Abstract: The present disclosure is directed toward a method and system for checking a vehicle height and radar aim of a vehicle. The method includes estimating, by a forward imaging system disposed in a vehicle, a vehicle height, and determining whether the estimated vehicle height is within a predefined height tolerance. The method further includes performing, by a radar system disposed in the vehicle, a radar alignment test to determine whether a radar device of the radar system is aligned within a predefined angular range, and adjusting the alignment of the radar device in response to the vehicle height being within the predefined height tolerance and the radar device being misaligned.

Abstract: A laser measurement system operates to identify locations of points of a vehicle in a three-dimensional space and determine whether the points of the vehicle are properly positioned. The laser measurement system includes a scanner device and a target device. The scanner device operates to generate a laser beam. The target device includes an optical detector configured to detect when the laser beam is directed at the target device and a position of the laser beam relative to the optical detector. The target device further includes a light control device configured to shape the laser beam directed to the optical detector of the target device.

Abstract: A method and system provide for entering text into a text field by determining complete-text terms, displaying the complete-text terms, and receiving a selection of a complete-text term as text to be entered into the text field. In some cases, a complete-text term can include all prior text entries used to determine the complete-text terms. In other cases, a complete-text term can include only a portion or none of the prior text entries used to determine the complete-text term. The determination of the complete-text terms can be based on a vehicle identifier. The determination of the complete-text terms can be based on one or more complete-text term selection-limiters, such a location, use, or diagnostic trouble code associated with the vehicle. The system can include a vehicle service tool that requests a set of complete-text terms and receives the set from a complete-text term storage device or an off-board processor.

Abstract: A wheel-end assembly for a vehicle enabling the direct measurement of the wheel-end position. The wheel-end assembly includes a knuckle having a kingpin bore and a kingpin disposed within the kingpin bore. The knuckle is at least partially rotatable about a longitudinal axis of the kingpin. A knuckle cap assembly is coupled with the kingpin bore adjacent to an end of the kingpin. In addition, a sensor is coupled with the knuckle cap assembly which measures a position of the kingpin relative to the sensor.

Abstract: A motorcycle frame rack enables a motorcycle frame to be repaired without removing many components from the motorcycle. A motorcycle is positioned on the motorcycle frame rack, secured in place and then the frame is adjusted using chains coupled to towers. A self-centering laser measuring system is able to be used to analyze and measure damage to the motorcycle frame.

Abstract: The invention makes it easy to link wheel alignment inspections to improving stability when traveling and to suppressing uneven tire wear. The straight running state of a vehicle is verified (S1), and the vehicle is placed on a tester in the straight running state (S2). The wheel alignment of the vehicle in the straight running state is measured using the tester (S3). The individual toe of each front wheel and each rear wheel is adjusted to eliminate differences between the left and right wheels (S4). The wheel alignment, such as the included angle, is measured again, and the causes of any wheel alignment failures are narrowed down on the basis of the measurement results (S5 to S7). Wheel alignment failures impacting steering pull or uneven tire wear are evaluated on the basis of the results of the measurements in S3 (S8).

Abstract: The invention provides a reflector lamp comprising a light source, a lens and/or a reflector arranged coaxially with the light source in a spaced-apart fashion, and a push-push adjustment assembly for varying a beam angle of the light beam in a push manner. The push-push adjustment assembly comprises a frame coupled fixedly to the lamp, an actuator in operative connection with the lens or the reflector, wherein the actuator movably rests in the frame so that the movement of the actuator enables the lens or the reflector to slide relative to the light source thereby to provide variable axial spacing between the lens or the reflector and the light source, and a push-push latch mechanism coupled to the actuator and/or the frame to move the actuator in the frame.

Abstract: A straightness checking method includes the steps of standing a pin at each of both edge portions of linear members of a plurality of linearly-disposed components, and also standing a cut-out pin formed to have a cut-out on a part of a side face thereof, at an intermediate portion between the both edge portions, fixing one end portion and the other end portion of a line member respectively to the pins stood at the both edge portions, bringing into contact with the intermediate portion of the line member an uncut side face part corresponding to a side face without the cut-out formed of the cut-out pin, and rotating the cut-out pin and checking whether or not the line member vibrates due to rotation of the cut-out pin.

Abstract: A vehicle headlamp includes a housing, at least one lamp located in the housing, at least one beam alignment light source positioned in the housing and configured to project an image to aid in alignment of the at least one lamp, and at least one beam alignment mechanism operably coupled to the housing and configured to adjust the direction of light from the at least one lamp based on an image projected by the beam alignment light source.

Abstract: A sensor calibration tool, in particular for calibrating sensors on a vehicle, includes a vertical rail that defines a first rail axis, a vertically movable carriage assembly, and a horizontally movable carriage assembly. The vertically movable carriage assembly is supported by the vertical rail and movable along the first rail axis, and has a horizontal rail that defines a second rail axis transverse to the first rail axis. The horizontally movable carriage assembly is supported by the horizontal rail and is movable along the second rail axis. The horizontally movable carriage assembly has a transverse mounting bar with a plurality of target mounts. Each target mount is configured to releasably support a respective calibration target. Different combinations and positions of calibration targets enables calibration of sensors on different vehicles based on predetermined specifications corresponding to the different vehicles.

Abstract: A radar adjustment fixture and method for adjusting a radar device on a vehicle includes a base having wheels for moving on a ground surface, at least one adjustment tool mounted on the base, and at least one manipulator mounted on the base for adjusting an adjustable proximate distance to thereby adjust a vertical height of the at least one adjustment tool. The at least one adjustment tool is located proximally relative to the base and located said adjustable proximate distance relative to the ground surface. The at least one manipulator adjusts said adjustable proximate distance to thereby adjust a vertical height of the at least one adjustment tool. The at least one manipulator is located distally relative to the base and the at least one adjustment tool.

Abstract: A vehicle wheel alignment rack is described herein that includes at least one laser and a target. The laser is removably coupled to a wheel of a vehicle. The target corresponds to the laser and is disposed at an opposite end of the vehicle from the laser. The target is directly and removably coupled to a frame of the vehicle such that the target is aligned with the frame at a known angle. The wheel is aligned to the frame by comparing the known angle to an expected and actual position on the target where a beam of light from the laser strikes the target. Some embodiments of the claimed invention include at least a second laser and a second target similarly disposed. Various means of coupling the target or targets to the frame are also disclosed herein.

Abstract: An embodiment of the present disclosure discloses a method for detecting flatness of a fluorescent wheel in a laser light source, comprising: acquiring, during the rotation of a fluorescent wheel, a spot of laser light emitted by a laser reflected from a substrate of the fluorescent wheel; determining an inner diameter of the spot; and determining flatness of the fluorescent wheel according to the inner diameter of the spot.

Abstract: A point-to-point distance gauge includes a rod-like main body formed by fitting a plurality of cylindrical rods 111, 112, and 113 having different diameters with one another so as to be expandable to a desired length; a spherical-tipped shaft 12 provided on one end 113a of the main body 11 so as to be capable of being folded to a desired angle with respect to the main body 11 and to be capable of maintaining the desired angle, a tip 12a of the spherical-tipped shaft 12 being formed in a spherical shape having a diameter larger than a shaft diameter; and a conical-tipped shaft 13 provided on the other end 113a of the main body 11 so as to be capable of being folded to a desired angle with respect to the main body 11 and to be capable of maintaining the desired angle, a tip 13a of the conical-tipped shaft 13 being formed in a conical shape.

Abstract: A headlamp aiming tool includes a linear member and four legs. The first and second legs are used to measure the distance between the headlamps of a vehicle and the height of the headlamps relative to the ground or floor. The tool may also be mounted on the vehicle via the first and second legs and a fastener connected with the third leg arranged between first and second legs. A laser device is connected with the fourth leg and aligned with a centerline of the vehicle to direct a laser beam against a screen in front of the vehicle to indicate the vehicle centerline on the screen. The headlamp light and spacing measurements are used to provide headlamp center points on the screen and to determine the horizontal and vertical offset of the low beam light which is used to adjust the aim of the headlamps.

Abstract: A device for checking the wheel suspension of a vehicle, in particular, of a motor vehicle, includes: a device for determining the wheel normals and/or the center of rotation of a wheel of the vehicle; a device for determining the movement trajectory of the wheel normals and/or of the center of rotation of the wheel during a movement of the vehicle; and a comparison and evaluation device, which is configured to compare the determined movement trajectory of the wheel normals and/or of the center of rotation of the wheel to a predefined movement trajectory, and to output a defect message when the deviation of the determined movement trajectory from the predefined movement trajectory exceeds a predefined limiting value.

Abstract: A wheel alignment system for a three-wheeled vehicle comprises a reflecting assembly and a first laser emitting assembly. The reflecting assembly includes a first mirror having a first reflective surface arranged in a first mirror plane that is perpendicular to a rear wheel vertical plane, which is defined centrally through a rear wheel along a direction of travel of the vehicle. The first laser emitting assembly includes a first laser emitter configured to emit a first laser light at the reflective surface along a laser line parallel to a first front wheel vertical plane, which is defined centrally through a first front wheel, and first indicia corresponding to a toe angle of the first front wheel. The first the mirror reflects the first laser light toward the first indicia.

Abstract: A vehicle wheel service system including a plurality of sensors positioned in proximity to a heavy-duty multi-axle vehicle, to measure angles associated with three or more axles of the vehicle without repositioning the mounting of the sensors after initiating a measurement procedure. Additional sensors, associated with a vehicle reference, such as the vehicle frame axis, are disposed to provide vehicle reference measurement data which is communicated to a processing system. The processing system is configured with software instructions to evaluate the measurement data and to determine various vehicle wheel alignment angle measurements and/or necessary vehicle adjustments for each axle relative to the vehicle reference or to a fixed axle having a determined relationship to the vehicle reference.

Abstract: A motorcycle frame rack enables a motorcycle frame to be repaired without removing many components from the motorcycle. A motorcycle is positioned on the motorcycle frame rack, secured in place and then the frame is adjusted using chains coupled to towers. A self-centering laser measuring system is able to be used to analyze and measure damage to the motorcycle frame.

Abstract: A device for optically recording the underbody of a vehicle using at least one camera, includes at least two mirrors which are disposed and oriented in such a way that images of several areas of the underbody of the vehicle are able to be recorded simultaneously by the camera.

Abstract: A process for calibrating and evaluating a machine-vision vehicle wheel alignment system having front and rear imaging components associated with each of the left and right sides of a vehicle support structure. Each pair of imaging components defines a front and rear field of view, with a common overlapping region associated with each respective side of the vehicle support structure. Optical targets disposed within each of the overlapping field of view regions are observed by the imaging components to establish performance ratings for the system as a whole, for groups of components within the system, and for individual components within the system.

Abstract: A hybrid wheel alignment system and methodology use passive targets for a first pair of wheels (e.g. front wheels) and active sensing heads for another pair of wheels (e.g. rear wheels). The active sensing heads combine image sensors for capturing images of the targets with at least one spatial relationship sensor for sensing a relationship between the active sensing heads. One or both of the active sensing heads may include inclinometers or the like, for sensing one or more tilt angles of the respective sensing head. Data from the active sensing heads may be sent to a host computer for processing to derive one or more vehicle measurements, for example, for measurement of parameters useful in wheel alignment applications.

Abstract: A system for advising a user on the condition of a vehicle is described. Data can be collected from a vehicle in the form of images or reflected energy from a section or part of the vehicle, and the data can be analyzed to determine if repairs, damage, or other problems are present. The collected data may also be images of identifying panels or insignia on the car. A report with results of the analysis can be provided to the user. The results of the analysis may describe detected damage or repairs, provide vehicle history or identifying information, or report detection of repainting.

Abstract: The invention relates to a method and system for determining vehicle wheel alignment, and namely camber angles, total and individual toe and front wheel steering axis caster and steering wheel axle tilt angle, by measuring changes in wheel sensor angles from a predetermined (i.e. control) position. Changes are measured using gyroscopic sensors or angular rate sensors or MEMS angular rate sensors (MEMS gyroscopes).

Abstract: A method and apparatus for detecting, for wheel assemblies on opposite ends of an axle during an alignment angle measurement or inspection process, relative movement or slip between the alignment angle sensor or optical target and the wheel assembly upon which it is mounted. Changes in measurements of invariant characteristics of the solid axle or an associated wheel assembly are observed by an alignment measurement or inspection system as indications of movement or slip between at least one of the alignment angle sensors or optical targets and the associated wheel assembly. Upon detection of a change a measurement of an invariant characteristic, an operator is alerted by the alignment measurement or inspection system to the presence of movement or slip of one or both of the alignment angle sensors or optical targets associated with the wheel assemblies of the axle.

Abstract: A laser square gauge for use with an automobile for measuring camber, toe and wheel offset. The laser square gauge generates a vertical laser datum line off of the wheel. The visible line replaces the cumbersome use of jigs and string lines. The gauge is operable by a single user and generates an accurate, repeatable reference. The reference can be used to easily measure camber, offset, toe-in and toe-out of the other wheels, as well as car body and frame dimensions. The gauge permits easy maintenance of records to check set-up dimensions of each car for each environment, such as a race track. The gauge is particularly useful for setting up the alignment and suspension of high performance racing automobiles.

Abstract: The invention relates to a method and system for determining vehicle wheel alignment, and namely, camber angles, total and individual toe and front wheel steering axis caster and tilt angles (caster and kingpin inclination), by measuring changes in wheel sensor angles from a predetermined position. Changes are measured using gyroscopic sensors or MEMS angular rate sensors (MEMS gyroscopes).

Abstract: A method for axle measurement of a motor vehicle, including the steps of initiating a first axle measurement operation, using a first selection signal; outputting a first control signal to an electronic brake control system of the motor vehicle as a function of the first selection signal; activating a first brake configuration of electronically operable brakes of the motor vehicle as a function of the first control signal, using the electronic brake control system; and carrying out the first axle measurement operation while the first brake configuration is activated.

Abstract: A laser measurement system operates to measure portions of a vehicle, such as a vehicle frame. The measurements are used, for example, to determine if the portions of the vehicle are bent or damaged. The measurement system includes a laser scanner and at least one target assembly that can be connected to a point of the vehicle. The laser scanner emits a laser beam that is detected by the target. Time and laser position information detected by the target are used to determine the location of the target, as well as the location of the point of the vehicle. The location of the point is then compared to an original location of the point to determine if damage has occurred.

Abstract: A wheel alignment measuring device using a body center line of a vehicle includes: front laser sensors provided at both sides of a front of a workbench on which the vehicle is disposed to measure positions of side panels each provided at both sides of a front of the vehicle; rear laser sensors at both sides of a rear of the workbench to measure positions of the side panels each provided at both sides of a rear of the vehicle; and a measuring unit configured to connect a center point A of a connection line connecting two points of a front of the side panels measured by the front laser sensors and a center point B of a connection line connecting two points of a rear of the side panels measured by the rear laser sensors to obtain a body center line C of the vehicle.

Abstract: Systems, apparatuses, and methods for aligning a radar sensor included in a vehicle. One method includes generating a laser cross-beam in front of the radar sensor that is approximately perpendicular to a thrust line of the vehicle and mounting a sensor alignment apparatus on the radar sensor. The sensor alignment apparatus includes a mounting arm and a receiver flag. The mounting arm supports the receiver flag, and the receiver flag includes a first surface that intersects the cross-beam at a first point and a second surface opposite the first surface that intersects the cross-beam at a second point. The method further includes determining a position of the first point, determining a position of the second point, determining a difference between the position of the first point and the position of the second point, and determining an adjustment for the radar sensor based on the difference.

Abstract: A steering angle sensing device for vehicle wheel alignment includes a swingable rocking arm. The rocking arm can be located in a predetermined position and slidably connected with a simple wheel alignment calibrator. When a wheel of the vehicle is steered, the wheel alignment calibrator affixed to the wheel is synchronously rotated along with the steering of the wheel. At this time, the rocking arm is driven to swing by a corresponding angle and the steering angle sensing device emits a human-perceivable signal to a calibration worker, whereby the calibration worker can real-time know the steering angle of the wheel for conveniently performing the wheel alignment process.

Abstract: A method for determining the alignment of a pair of vehicle wheels includes the steps of positioning a beam projecting device consecutively on each wheel, in the same angular relationship to the wheel, and projecting a beam to a receptor, which is located in a predetermined angular relationship the other wheel. The projecting device, the receptor or both is utilized to determine the angle between the beams and the angle is related to the alignment of the pair of wheels; the receptor being maintained in the same position for each beam projection.

Abstract: A target system for optical chassis alignment includes a target and a target mounting element having a target receiving element to which the target is attached. The target mounting element is attachable to a wheel of a motor vehicle so that the target is aligned at an angle to the wheel center plane. A significant mark at a known distance from a reference plane and at least two additional undetermined marks are situated on the target.

Abstract: A method for measuring and testing a vehicle frame (15), in particular a commercial vehicle or bus frame, wherein a radiation source and a radiation receiver are arranged in front of the frame (15) and radiation is beamed from the radiation source toward the frame (15) and onto a reflector support (1) having at least one reflector (2, 3, 4, 5). The reflector (2, 3, 4, 5) is assigned to a part of the frame (15), and the radiation is reflected by the reflector (2, 3, 4, 5) to the radiation receiver and a measuring device determines location coordinates of the reflector (2, 3, 4, 5) at different measuring points of the frame part. A substantially non-deformed section (A) of the frame part is ascertained from the resulting measuring points (P) and the variation of the measuring points (P) from the non-deformed section (A) is determined.