Patent · US Active

Surface cleaning apparatus

US10820769B2 · kind B2 · utility

29Cited by
29References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 25, 2018
Grant dateNov 3, 2020
Priority date
Expiry dateMay 9, 2039

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L11/4088
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.

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