Squeegee assembly with improved waste pick-up
AssigneeNilfisk A/S
InventorDavid W. Wood
Life of this patent
Estimating the term…
Abstract
A squeegee assembly includes a front blade, a rear blade, and a support for mounting the blades. The front blade includes an outer surface, an inner surface, and a floor engaging edge. The rear blade includes an outer surface, an inner surface facing the inner surface of the front blade, and a wiping edge. The support includes a vacuum source port and a suction port. The rear blade has a curvature between opposing first and second ends of the rear blade that defines at least one rearmost point. At least the suction port is offset from a line of the support that extends through the at least one rearmost point parallel to a forward direction of travel of the squeegee assembly.
Claims18
A squeegee assembly for wiping a surface to be cleaned comprising:
- a front blade including an outer surface, an inner surface, and a floor engaging edge;
- a rear blade including an outer surface, an inner surface facing the inner surface of the front blade, and a wiping edge;
- and
- a support upon which the front blade and rear blade are mounted, the support including a vacuum source port and a suction port;
- wherein the rear blade has a curvature between opposing first and second ends of the rear blade, the curvature of the rear blade defining at least one rearmost point;
- and
- wherein at least the suction port is offset from a first line of the support that extends through the at least one rearmost point of the rear blade parallel to a forward direction of travel of the squeegee assembly, such that the first line of support does not extend through the suction port.
Dependencies are inferred from the claim text.