Surface-cleaning machine

  • US 10,349,797 B2
  • Filed: 04/12/2017
  • Issued: 07/16/2019
  • Est. Priority Date: 10/13/2014
  • Status: Active Grant
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First Claim
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1. A surface-cleaning machine, comprising:

  • an appliance body on which a suction apparatus device is arranged;

    a cleaning head on which at least one cleaning roller is arranged; and

    a drive device for driving the at least one cleaning roller in rotation;

    wherein the cleaning head has, between a first face side and an oppositely situated second face side, a first region, a second region and a central region situated between the first region and the second region;

    wherein at least one first suction mouth is positioned at the first region so as to be associated with the at least one cleaning roller and at least one second suction mouth is positioned at the second region so as to be associated with the at least one cleaning roller;

    wherein the at least one first suction mouth and the at least one second suction mouth are fluidically connected to the suction apparatus device;

    wherein the at least one cleaning roller is of two-part form, having a first part which is positioned at the first region and having a second part which is positioned at the second region; and

    wherein at least one of (i) the at least one first suction mouth or an arrangement of multiple first suction mouths has a length parallel to an axis of rotation of the at least one cleaning roller which amounts to at least 80% of a corresponding length of the first part of the at least one cleaning roller, and (ii) the at least one second suction mouth or an arrangement of multiple second suction mouths has a length parallel to an axis of rotation of the at least one cleaning roller which amounts to at least 80% of a corresponding length of the second part of the at least one cleaning roller;

    wherein, on the cleaning head, there is arranged a first suction funnel and a second suction funnel; and

    wherein the first suction funnel is configured for fluid sucking at the first part of the cleaning roller, and the second suction funnel is configured for fluid sucking at the second part of the cleaning roller.

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