JP2016520354A5 - - Google Patents

Claims (30)

A cleaning pad for a mobile robot,
An absorbent core comprising a fibrous material that absorbs and retains the liquid material;
A liner layer wound around the absorbent core and in contact with the absorbent core, the liner layer comprising a fibrous material that draws and holds a liquid material through the liner layer;
A backing layer adhered to the upper surface of the liner layer facing the mobile robot when the cleaning pad is attached to the mobile robot, the longitudinal edge of the liner layer around the absorbent core A backing layer with protruding edges extending beyond;
Cleaning pad comprising .   The pad of claim 1, wherein the core material absorbs up to about 7 to about 10 times its weight.   The pad of claim 1, wherein the liner layer retains up to about 10% of the absorbed liquid material.   The pad of claim 1, wherein the absorbent core comprises non-woven cellulose wood pulp.   The pad of claim 1, wherein the absorbent core additionally comprises a surface layer comprising acrylic latex. The pad of claim 1, wherein the backing layer is configured to attach the pad to the mobile robot and is coated with a hydrophobic polymer less than 0.1 cm thick. The absorbent core includes first, second, and third airlaid layers;
Each airlaid layer has a top surface and a bottom surface,
The bottom surface of the first airlaid layer is disposed on the top surface of the second airlaid layer;
The pad of claim 1, wherein the bottom surface of the second airlaid layer is disposed on the top surface of the third airlaid layer.   The pad according to claim 7, wherein the layers are bonded to each other by an adhesive material.   The adhesive material is applied in an evenly spaced strip form across at least one side of the airlaid layer and covers an area of 10% or less of the surface area of the one side. The pad according to 8.   9. The pad of claim 8, wherein the adhesive material is sprayed from end to end on at least one side of the airlaid layer, covering an area of 10% or less of the surface area of the one side.   The pad of claim 1, wherein the liner layer is wound around at least four sides of the absorbent core.   The pad of claim 1, wherein the liner layer comprises a spunlace layer.   The liner layer of claim 1, comprising a hydroentangled spunbond layer having reduced thickness indentation on a surface facing the floor therein and having a basis weight of 35-40 gsm. Pad.   The pad of claim 1, wherein the liner layer comprises meltblown abrasive fibers that do not contact the absorbent core and are bonded to one side of the liner layer.   The pad of claim 14, wherein the meltblown fibers have a diameter of about 0.1 μm to about 20 μm.   The pad of claim 14, wherein the meltblown abrasive fibers cover from about 44 percent to about 75 percent of the surface of the liner layer.   15. The pad of claim 14, wherein the meltblown abrasive fibers and the liner layer have a total thickness of about 0.5 mm to about 0.7 mm on the surface of the liner layer.   The pad of claim 1, wherein the liner layer has a thickness of about 0.5 mm to about 0.7 mm.   The pad of claim 1, wherein the pad increases in thickness by less than 30% after absorption of liquid material.   The pad of claim 1, wherein the pad additionally comprises one or more of a fragrance, a cleaning agent, a surfactant, a foaming agent, a polish, a chemical preservative, an adhesive formulation, and / or an antimicrobial agent. .   The pad has a thickness of about 6.5 millimeters to about 8.5 millimeters, a width of about 68 millimeters to about 80 millimeters, and a length of about 165 millimeters to about 212 millimeters, and the absorbent core is about The pad of claim 1, which holds up to 180 mL. A robot body that defines the forward drive direction;
A driving device that supports the robot body so as to steer the robot on the surface, the driving device including left and right driving wheels disposed in corresponding left and right portions of the robot body;
A cleaning assembly disposed on the robot body,
The cleaning assembly includes
A pad holder disposed in front of the drive wheel, having a top and a bottom, and having a bottom surface disposed within a range of about 1/2 cm to about 1 1/2 cm of the surface, and a cleaning pad Wherein the bottom surface of the pad holder has at least 40% of the surface area of the footprint of the robot, and the bottom portion has raised protrusions extending therefrom;
An orbital oscillation device disposed on top of the pad holder and having an orbital range of less than 1 cm,
The pad holder allows an amount greater than 80 percent of the orbital range of the orbital oscillator to be transmitted from the top of the received cleaning pad to the bottom surface of the received cleaning pad; An opening mechanism configured to discharge the pad from the bottom surface of the pad holder by the operation of the opening mechanism;
Moving floor cleaning robot. A reservoir for holding liquid;
A liquid applicator in liquid communication with the reservoir;
The robot according to claim 22, wherein the liquid applicator is configured to apply the liquid along the forward drive direction in front of the pad holder.   The robot of claim 22, wherein the cleaning pad is configured to absorb about 90% of the amount of liquid in the reservoir.   23. The robot of claim 22, further comprising a backing layer on the cleaning pad for engaging the pad holder.   26. The robot of claim 25, wherein at least one raised protrusion on the bottom surface of the pad holder is aligned and engaged with a slot cut into the backing layer.   23. The robot of claim 22, wherein the total weight of the robot that does not hold liquid is about 1 kg to about 1.5 kg, and the total weight of the robot that holds liquid is 1.5 kg to 4.5 kg.   The robot applies liquid to the floor surface at an initial volumetric flow rate to wet the cleaning pad, the initial volumetric flow rate being higher than a subsequent volumetric flow rate when the cleaning pad is moistened. 22. The robot according to 22.   The initial volumetric flow rate is set by spraying 1 mL of liquid every 30 cm for about 1 to 3 minutes, and the second volumetric flow rate is set by spraying every 3 feet, each spray being 1 mL 29. The robot of claim 28, wherein the amount of liquid is less than.   The backing layer is configured to have a notch located at a central portion on the protruding edge for engaging a corresponding portion of the pad holder on the mobile robot, and the backing layer is formed on the pad holder. The pad of claim 1, wherein the pad is attached and the cleaning pad is attached to the pad holder.