Importance

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Abstract

In a balancing apparatus, for determining the compensation position and the magnitude of a compensation weight to be attached to the automotive wheel on the basis of the measuring values obtained during the balancing process, the respective radius and the respective compensation plane for the compensation position at the automotive wheel are sensed via a sensor arm, an electronic device determines the magnitude of the compensation weight to be attached to the automotive wheel. The sensor arm is supported extendably and pivotally. Two string assemblies are attached to the sensor arm. The strings of the sensor arm are mechanically lockable at one or the other compensation position, respectively. One of the string assemblies on the sensor arm comprises an extendable spring and a stop which runs through a locking block attached to the housing of the balancing apparatus and and also comprises, at the other end an extendable spring. The other string assembly comprises a string attached to the housing of the sensor arm which ends at an endless string loop assembly. One run of the string assembly runs through a locking block attached to the housing of the balancing apparatus and the other run of the string of the string assembly comprises a stop which is lockable via the locking device. The compensation position or the compensation positions are thus stored in a mechanical manner, and the sensor arm is only extendable up to the respective position.

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First Claim