Building machine comprising a presence detection system
First Claim
1. Building machine comprising:
- a control panel,a driver'"'"'s seat for an operator, anda presence detection system comprising a wireless sensor integrated in the control panel of the building machine and configured to detect whether the operator is present on the driver'"'"'s seat by measuring the distance between the operator and the sensor, and wherein the sensor is configured to shift the range of driver movement horizontally depending on the adjustment of the driver'"'"'s seat.
1 Assignment
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Accused Products
Abstract
A building machine, especially a road finishing machine, comprising a presence detection system. The presence detection system comprises a sensor which is integrated in the control panel of the building machine. By means of the sensor a distance measurement can be carried out, which determines whether the operator is properly seated on the driver'"'"'s seat of the building machine or whether he stands properly at the standing work place. In order to determine the presence a tolerance range may be specified, which allows a slight movement of the operator on the driver'"'"'s seat. If the operator approaches the limits of the tolerance range he is asked in time by warning signals to be seated again properly on the driver'"'"'s seat or adopt a proper position at the standing work place. If the sensor detects no operator on the driver'"'"'s seat or at the standing work place all of the functions of the building machine are stopped in order to make sure that the work site is safe.
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Citations
17 Claims
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1. Building machine comprising:
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a control panel, a driver'"'"'s seat for an operator, and a presence detection system comprising a wireless sensor integrated in the control panel of the building machine and configured to detect whether the operator is present on the driver'"'"'s seat by measuring the distance between the operator and the sensor, and wherein the sensor is configured to shift the range of driver movement horizontally depending on the adjustment of the driver'"'"'s seat. - View Dependent Claims (2, 3, 4)
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5. Building machine, comprising:
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a control panel, a driver'"'"'s seat for an operator and a presence detection system comprising a wireless sensor integrated in the control panel of the building machine and configured to detect whether the operator is present on the driver'"'"'s seat by measuring the distance between the operator and the sensor, wherein the presence detection system defines a medium range of driver movement which lies between the driver'"'"'s seat and the control panel, and wherein the presence detection system is configured to shift the range of driver movement horizontally depending on the adjustment of the driver'"'"'s seat. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. Method for checking the presence of an operator on a driver'"'"'s seat of a building machine, comprising the steps of:
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activating a presence detection system comprising a sensor that is integrated in a control panel, wherein the presence detection system is configured to shift the range of driver movement horizontally depending on the adjustment of the driver seat, carrying out a measurement by the sensor in order to determine a distance between the operator and the sensor, and checking whether the distance is within a tolerance range. - View Dependent Claims (13)
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14. An operator safety system for a road building machine comprising
(i) a control panel for the safety system, (ii) an operating position located on the machine, (iii) a distance sensor integrated into the control panel and configured to detect whether the machine operator is in the operating position, and (iv) a driver'"'"'s seat, and wherein the presence detection system is configured to shift the range of driver movement horizontally depending on the adjustment of the driver seat.
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17. Building machine comprising:
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a control panel, a driver'"'"'s seat or a standing work position for an operator, and a presence detection system comprising a wireless sensor integrated in the control panel of the building machine and configured to detect a starting position for the operator by measuring the distance between the operator and the sensor and to shift the range of permitted driver movement horizontally within a tolerance limit calculated from the starting position and dependent on adjustment of the driver'"'"'s seat.
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Specification