Vacuum cleaner has hand grip that is arranged at housing between operating and idle position in pivoted manner, where cable drum is wound up on supply cable of vacuum cleaner
NIEDERGESAES, ANJA, KNOPP, GUENTHER, SCHROETER, JOERG, BOTT, ERICH, ILLIG, ROLAND
Year of Publication 28.01.2010
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Year of Publication 28.01.2010
Patent
Automatic suction power control device for floor vacuum cleaner, has control circuit for increasing suction power controlled by control loop when signal of pressure sensor reaches lower threshold value
LEHMANN, PETER, HERRMANN, RUDOLF, STREHLER, THOMAS, HAMM, SILVIO, ILLIG, ROLAND
Year of Publication 27.08.2009
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Year of Publication 27.08.2009
Patent