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US 2021/0330161 A1Published application
Rotary working element
AssigneeTechtronic Cordless GP
InventorsRobert McRorie, Rafael Davila
Life of this patent
Estimating the term…
Abstract
A floor cleaner includes a suction source, a body, and a rotary working element. The body includes a working element chamber having an opening facing toward a surface to be cleaned and a suction inlet in fluid communication with the suction source. The rotary working element is positioned within the working element chamber and includes a body rotatable about an axis having silicone features extending outwardly from the body to contact the surface to be cleaned though the opening.
Claims34
-25. (canceled)
A floor cleaner comprising:
- a suction source;
- a housing including a working element chamber having an opening facing toward a surface to be cleaned and a suction inlet in fluid communication with the suction source;
- and
- a rotary squeegee positioned within the working element chamber configured to move fluid along the surface to be cleaned, the rotary squeegee including a body rotatable about an axis and a flexible squeegee element extending outwardly from the body to contact the surface to be cleaned though the opening, the squeegee element arranged around the body in a helical pattern about the axis, wherein the pitch of the squeegee element is 0.5 to 2.5 times the axial length of the squeegee element, and wherein the squeegee element includes a base portion connected to the body and a squeegee edge configured to wipe the floor as the rotary squeegee rotates.
1 more element
-62. (canceled)
Dependencies are inferred from the claim text.