Self-propelled construction machine
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United States of America Patent
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Apr 28, 2015
Grant Date -
Feb 6, 2014
app pub date -
Mar 7, 2013
filing date -
Aug 6, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A self-propelled construction machine has a machine frame and an operating drum for processing the ground surface, wherein the operating drum is positioned in a downwards open drum housing, that is closed on both sides by an edge protector, which is adjustable in height by an actuator for raising and/or lowering the edge protector. A control unit comprises a sensor for registering the distance a between a reference point on the edge protector and the ground surface. Furthermore, the control unit is configured so that when the distance between reference point and ground surface falls below a predetermined minimum distance, the actuator is switched from a floating setting, so that the edge protector is raised. As a result, the edge protector tightly closes the drum housing at the sides without there being a risk that the edge protector can be entrenched in loose substrate.
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