METHOD AND APPARATUS FOR DETERMINING GEOMETRICAL DIMENSIONS OF A WHEEL
First Claim
1. Method for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising the steps of pivoting at least one sensing device for scanning the wheel surface or a part of the wheel surface about a pivot axis in plane perpendicular to the wheel axis and determining the geometrical dimensions of the scanned wheel surface in dependence from the angular position of the at least one sensing device,characterized in that the angular position is determined from measured accelerations of the sensing device in two predetermined directions during the pivotal movement of the sensing device.
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Accused Products
Abstract
Method and apparatus for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising the steps of pivoting at least one sensing device for scanning the wheel surface or a part of the wheel surface about a pivot axis in plane perpendicular to the wheel axis and determining the geometrical dimensions of the scanned wheel surface in dependence from the angular position of the at least one sensing device, wherein the angular position is determined from measured accelerations of the sensing device in two predetermined directions during the pivotal movement of the sensing device.
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Citations
15 Claims
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1. Method for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising the steps of pivoting at least one sensing device for scanning the wheel surface or a part of the wheel surface about a pivot axis in plane perpendicular to the wheel axis and determining the geometrical dimensions of the scanned wheel surface in dependence from the angular position of the at least one sensing device,
characterized in that the angular position is determined from measured accelerations of the sensing device in two predetermined directions during the pivotal movement of the sensing device.
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8. Apparatus for determining geometrical dimensions of a wheel, especially a vehicle wheel, or of at least a part of the wheel, comprising
a machine frame (5) having a shaft (6) for mounting the wheel (1) and a bearing (3) for pivotal supporting a pivot member (2) on the machine frame (5), wherein the axis (4) of the shaft (6) and the pivot axis (7) of the bearing (3) are substantially parallel to each other. at least one sensing device (8) mounted on the pivot member (2) for scanning the wheel surface or at least one part of the wheel surface; -
an angle measuring device (9) for measuring the angular positions during the pivotal motion of the member (2); and computing means (10) to determine the geometrical dimensions of the wheel surface in dependence of the measured pivot angle, characterized in that the angle measuring device (9) includes accelerometers means (11, 12) adapted to measure accelerations of the at least one sensing device (8) in two predetermined directions, and the computing means (10) are designed to determined from the measured accelerations the angular positions of the at least one sensing device (8) during its pivotal movement. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification