Self-propelled floor cleaning device comprising a consecutive vehicle, which follows a lead vehicle
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United States of America Patent
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Jun 27, 2017
Grant Date -
Oct 22, 2015
app pub date -
Apr 16, 2015
filing date -
Apr 16, 2014
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Abstract
A self-propelled floor cleaning device includes a manually controlled or program-controlled first cleaning vehicle, which moves across a treatment path across a surface, which is to be cleaned, including a first cleaning device for carrying out a dry cleaning step. A second cleaning vehicle, including a second cleaning device for carrying out a wet cleaning step, is coupled to the first cleaning vehicle such that the second cleaning vehicle follows the first cleaning vehicle on the treatment path thereof. The second cleaning vehicle can be connected to the first cleaning vehicle via a releasable mechanical coupling. However, it can also be in operative connection with the first cleaning vehicle via only a data transmission path.
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