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Method of and apparatus for determining geometrical dimensions of a wheel rim, in particular when fitting and/or removing a motor vehicle tyre

A technology of geometric dimensions and rims, applied in tire installation, tire parts, measuring devices, etc.

Active Publication Date: 2013-07-17
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here too, guidance along the desired curved path may not be possible due to wear of the control surfaces

Method used

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  • Method of and apparatus for determining geometrical dimensions of a wheel rim, in particular when fitting and/or removing a motor vehicle tyre
  • Method of and apparatus for determining geometrical dimensions of a wheel rim, in particular when fitting and/or removing a motor vehicle tyre

Examples

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Embodiment Construction

[0012] The illustrated embodiment comprises a wheel receiving device 2 to which a rim 3 of a vehicle wheel 1 can be fastened. A receiving rod as shown in the figure, a wheel disc on which a rim can be mounted, or a clamp arm for supporting a rim, or other supporting devices can be arranged on the wheel receiving device. The wheel rim 3 is non-rotatably connected to the wheel receiving device 2 via a fixing device, in particular a clamping device.

[0013] The illustrated embodiment also includes an installation or removal tool 5 schematically shown in the figure. When the automobile wheel 1 is placed horizontally, the installation or removal tool contacts with the bead from the upper and lower sides. When the automobile tire 4 is installed In the position, the bead is located behind the rim flanges 12 on both sides of the rim 3 .

[0014] The wheel receiving device 2 is rotated by a rotary drive device 10, which may be an electric motor. The rotational drive takes place arou...

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PUM

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Abstract

An apparatus for and a method of fitting or removing a motor vehicle tyre 4 comprising a rotatably supported wheel receiving device 2 to which the rim 3 is to be fixed, at least one fitting or removal tool 5, a rotary drive device 10 for the wheel receiving device and a sensing device 6, 7, 8 for sensing the radially outer rim contour 12, 14 along which the at least one fitting or removal tool is to be guided during the fitting or removal operation, wherein the sensing device 6, 7, 8 is a sensing device which contact-lessly senses the rim contour and the sensing signals of which are converted into electrical sensing signals, and connected to the sensing device 6, 7, 8 is a control device 9 which evaluates the electrical sensing signals and which controls the at least one fitting or removal tool 5 in the fitting or removal operation in dependence on the sensing signals without contact with the rim surface.

Description

technical field [0001] The present invention relates to a method and a device for determining the geometry of a wheel rim and for fitting or removing a tire, in particular for determining the geometry of a wheel rim when fitting and / or removing a car tire. Background technique [0002] US3877505 discloses a device with a wheel receiving device to which the rim of a vehicle wheel can be fastened. The wheel receiving device can be rotated by a rotary drive, such as an electric motor, during a mounting or demounting operation. Tires can be installed or removed from the rim using installation or removal tools. On the removal tool there is provided a protruding detection device which detects the radially outer surface of the rim (rim carrier) and consists of a material which does not damage the material of the rim, for example a plastic material. This ensures that the removal tool can maintain a certain distance from the rim surface during the removal operation. Damage to the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/245G01M99/00
CPCB60C25/138B60C25/0554G05B2219/45021G05B2219/37275
Inventor P·索特朱
Owner SNAP ON EQUIP