Patent · US Active

Floor cleaner

US11363923B2 · kind B2 · utility

4Cited by

37References

20Claims

0Family size

Assignee

Techtronic Floor Care Technology Limited · VG

Inventors

Kirti Kant Paulla · Howard, US
Michael Paul Dawson · Huntersville, US
Don Lydic · Mooresville, US
Rafael Davila · Kannapolis, US

Key dates

Filing date	Sep 30, 2020
Grant date	Jun 21, 2022
Priority date	—
Expiry date	Sep 30, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L11/4044
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A floor cleaner including a recovery tank. The recovery tank includes a tank body having a lower end wall, an open upper end, and a sidewall that extend upwardly from the lower end wall. A cover that includes a suction air outlet in fluid communication with a vacuum source. An inlet duct extends upwardly from the lower end wall. The recover tank includes a shutoff float including a float body and a closure. The float body is configured to float on a surface of cleaning fluid and the closure is received in the suction air outlet to close the suction air outlet. The float body moves along the inlet duct as the float body floats on the surface of the cleaning fluid. The float body includes an aperture extending through the float body and the inlet duct extends through the aperture of the float body.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.