Abstract: An apparatus for automatically evaluating chassis or wheel alignment measurement data comprises: a memory device configured to store a number of chassis data records, with each chassis data record containing at least one chassis parameter and a tolerance range allocated to each chassis parameter; a provisioning device configured to provide a data record of current chassis parameters, which comprises at least one current chassis parameter; a selection device configured to select, on the basis of the data record provided by the provisioning device, a subset of chassis data records from the chassis data records stored in the memory device; and a determination device configured to determine the proportion of the chassis data records from the subset of chassis data records for which the current chassis parameter's of the data record provided by the provisioning device are within the specified tolerance ranges.

Abstract: A wheel clamp (2) for fastening to a wheel (1), in particular to a wheel (1) of a motor vehicle, comprises at least two arms (22, 23, 24) which extend outward from a center (28) of the wheel clamp (2) in a radial direction. Each of the arms (22, 23, 24) has at least one movable element (32, 33, 34) which is movable in the radial direction. The wheel clamp (2) comprises a locking member (82) which is designed such that the movable elements (32, 33, 34), by operation of the locking member (82), can be fixed such that the movable elements (32, 33, 34) are no longer movable in the radial direction. The wheel clamp (2) also comprises an unlocking member (84) which is designed such that a fixation of the movable elements (32, 33, 34) can be released by operation of the unlocking member (84).

Abstract: A wheel clamp (2) for fastening to a wheel (1), in particular to a wheel (1) of a motor vehicle, comprises at least two arms (22, 23, 24) which extend outward from a center (28) of the wheel clamp (2) in a radial direction. Each of the arms (22, 23, 24) has at least one movable element (32, 33, 34) which is movable in the radial direction. The wheel clamp (2) comprises a locking member (82) which is designed such that the movable elements (32, 33, 34), by operation of the locking member (82), can be fixed such that the movable elements (32, 33, 34) are no longer movable in the radial direction. The wheel clamp (2) also comprises an unlocking member (84) which is designed such that a fixation of the movable elements (32, 33, 34) can be released by operation of the unlocking member (84).

Abstract: A wheel clamp (2) for fastening to a wheel (1), in particular to a wheel (1) of a motor vehicle, comprises at least two arms (22, 23, 24) which extend outward from a center (28) of the wheel clamp (2) in a radial direction, and a central rotary element (40) which is rotatably arranged in the center (28) of the wheel clamp (2). Each arm (22, 23, 24) has at least one movable element (32, 33, 34) which is movable in the radial direction in order to permit varying the length of the arm (22, 23, 24) in the radial direction. The wheel clamp (2) comprises furthermore at least two coupling elements (52, 53, 54) which each extend between one of the movable elements (32, 33, 34) and the central rotary element (40) such that the movable elements (32, 33, 34) are movable in the radial direction by rotation of the rotary element (40).

Abstract: A wheel adapter for fastening on a wheel, in particular on a wheel of a motor vehicle, includes at least two arms which extend in a radial direction starting from a central area of the wheel adapter Each of the arms includes at least one movable element which is movable in the radial direction in order to vary the length of the arm in the radial direction. The movable elements of at least two arms are mechanically coupled to one another in such a way that a movement of one movable element of a first arm results in a corresponding movement of a least one movable element of a second arm.

Abstract: A device for wheel alignment measurement comprises at least two sensors which are configured to record each time at least two images of the front wheels and the rear wheels of a vehicle passing by; and an evaluation device which is configured to evaluate the images recorded by the sensors in order to determine whether the vehicle has traveled along a straight line. The sensors are arranged such that a vehicle to be measured can pass between the at least two sensors. The evaluation device is configured to determine the geometric travel axis of the vehicle and/or the individual tracks of the wheels on the front axle and/or the rear axle of the vehicle when the evaluation of the images recorded by the sensors reveals that the vehicle has traveled along a straight line.

Abstract: A method for tire inspection which includes taking at least one image of at least one first area of a tread of a tire that is to be inspected; determining the profile depth of a second area of the tread of the tire, the second area being included in the first area; and displaying the profile depth of the at least one image of the at least one first area and the position of the second area in the first area. The method may additionally include automatically analyzing the images taken of the tread, so as to arrive at statements on the condition of the tread.

Abstract: A method for providing an image of a contoured surface includes: a) recording images of one or a plurality of regions of the surface using different light exposure and/or illumination; b) generating an optimized image for each of the regions from the plurality of recorded images; and c) assembling the optimized images generated for the individual regions of the surface to form an optimized total image of the surface.

Abstract: A device for measuring the tread depth of a tire includes measuring modules situated transversely with respect to the running direction of the tire and connected to a shared evaluation device. Each measuring module includes (i) an illumination device which is configured and situated in such a way that during operation it projects at least one light line onto the tread to be measured, and (ii) at least one image recording device recording at least one image of at least one area of the tread to be measured. The at least one illumination device and the at least one image recording device are configured and situated in such a way that the illumination direction of the illumination device and the image recording direction of the image recording device are oriented neither in parallel to one another nor orthogonally with respect to the tread.

Abstract: A device for checking the mounting of tires on a vehicle includes at least one image recording device that is configured for recording images of at least two tires mounted on the vehicle, the images each capturing at least one area of a tire, and at least one data processing device that is adapted for analyzing the recorded images to determine whether the tires have been correctly mounted on the vehicle.

Abstract: A device for recognizing the inscription on the wall of a tire, including a driving surface plane, at least one directional light source to illuminate the tire; at least one camera to record multiple images of a wall of the tire rolling on the driving surface plane; and an evaluation device to synthesize an image of the wall of the tire from the multiple recorded images and to evaluate the synthesized image with the aid of a text recognition method.

Abstract: A wheel balancing device for balancing spoked wheels, includes a rotatable holding device that is configured to receive and rotatably support a spoked wheel to be balanced, as well as at least one spoke sensor that is configured to detect the spokes of the wheel.

Abstract: Automatic illuminating and image recording system for an automobile service device, combined illuminating and image recording unit and method for automatic measured value-dependent setting of the image recording and exposure for an automobile service device having contactless measuring capability. Comprises at least one camera (32, 34) having an interface to a control unit, at least one illuminating unit (62, 64) having a control input, and a control unit. This control unit is equipped with an interface to the camera(s) (32, 34), with an interface to the illuminating unit(s) (62, 64), with an image processing-and, respectively, image pre-processing-unit and with an evaluating unit that generates control parameters for the illuminating unit(s) (62, 64) and/or the camera(s) (32, 34).

Abstract: A method and a unit for determining the spatial position of a wheel rim with respect to a measuring unit having at least one camera, wherein the wheel rim lies in the viewing field of the camera, including making available of a model, that describes a model body of a localizable wheel rim geometry detail as well as the spatial position of the model body with respect to the measuring unit, through model parameters, capturing of a picture of the wheel rim geometry detail of the wheel rim with the camera, fitting the image of the model body resulting from the model parameters to the picture of the wheel rim geometry detail through changing the model parameters of the model, and tracking the changes of the model parameters upon the fitting, whereby the data related to the position of the model body of the wheel rim geometry detail reflect the spatial position of the wheel rim-geometry detail and, thereby, the wheel rim itself, when the image resulting from the model parameters, of the wheel rim-geometry detail fi

Abstract: A mounting lever (1) according to one embodiment of the invention for dismantling a vehicle tire from a rim comprises a rod-formed handle portion (101) and a work portion (102) provided at its front end. The work portion (102) has a convex mounting surface (11).

Abstract: A mounting lever (1) according to one embodiment of the invention for dismantling a vehicle tire from a rim comprises a rod-formed handle portion (101) and a work portion (102) provided at its front end. The work portion (102) has a convex mounting surface (11).

Abstract: In a method and an apparatus for a program controlled wheel alignment measurement of the running gears of vehicles the various steps or groups of steps of the measurement procedure are carried out under the control of a central computer of the wheel alignment system or a microprocessor in a machine-like device for turning the steering wheel of the vehicle. The wheel of the steerable axis are turned and positioned, respectively, under the control of the program to the positions required for carrying out the wheel alignment measurement of the running gears.

Abstract: A wheel alignment apparatus has measurement heads for determining wheel positions of wheels of a motor vehicle. Each measurement head comprises at least one camera which is the direct to a measurement target arranged in the field of view of the camera and positioned in a well defined relationship to the wheel of the motor vehicle. Pictures taken by the camera are evaluated by an evaluation unit in order to determined the spatial position of the measurement target and, thereby, the wheel with respect to the position of the camera and the measurement head respectively. The wheel alignment apparatus wheel alignment apparatus comprises an optical reference system integrated into the measurement heads for calibrating the measurement heads of the wheel alignment apparatus as to the position of the measurement heads with respect to each other.

Abstract: This invention relates to a cleaning device for rotationally symmetrical bodies, in particular for vehicle wheel rims with or without tires. Said device is designed for mechanical cleaning, using a moving cleaning fluid in a cleaning bath (20). The cleaning bath (20) has at least one vibrator (34 to 37) which places a cleaning fluid in a state of turbulence in the ultrasound region. A heater (38) is also provided in order to heat the cleaning fluid and is located in the cleaning unit. A holder (30) is arranged in the cleaning unit in order to accommodate a receiving device which can e swiveled inwards or swiveled outwards and which is designed to hold the rotationally symmetrical body that is to e cleaned.