Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2006-06-06
2006-06-06
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S340100, C015S340300
Reexamination Certificate
active
07055210
ABSTRACT:
The invention relates to a floor treatment system with a self-propelled and self-steering floor treatment unit, which comprises an electrically driven floor treatment assembly and also a rechargeable power supply unit, and with a central charging station for recharging the power supply unit, the floor treatment unit being capable of being electrically connected to the charging station by means of respective electrical connecting elements disposed on the charging station and the floor treatment unit. In order to develop the floor treatment system in such a way that improved electrical coupling of the respective connecting elements is made possible, it is proposed according to the invention that at least one of the respective connecting elements is spring-mounted.
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Keppler Joachim
Math Jochen
Skoumal Roger
Alfred Kaercher GmbH & Co. KG
Lipsitz & McAllister LLC
Snider Theresa T.
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