Ground-compacting device
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United States of America Patent
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Mar 15, 2016
Grant Date -
Sep 26, 2013
app pub date -
May 14, 2012
filing date -
Jun 15, 2011
priority date (Note) -
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Abstract
A working device for ground compaction comprises an upper mass, a guide device coupled to the upper mass and intended to guide the working device, a lower mass which can move relative to the upper mass, which is movably coupled to the upper mass via a spring device, and which has a ground contact plate, and a vibration-generating device for producing a relative movement between the upper mass and the lower mass. Furthermore, a drive for driving the vibrating-generating device is provided, wherein the drive comprises an electric motor. The electric motor is supplied with electrical energy via an electrical energy store arranged on the guide device.
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