Patent · US Active

Cleaner

US10849474B2 · kind B2 · utility

1Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 2017
Grant dateDec 1, 2020
Priority date
Expiry dateAug 24, 2038

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L13/256
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A cleaner includes a cleaner body including a main cleaning unit for generating suction force, a nozzle assembly rotatably connected to the cleaner body and including a suction port for sucking in air and dust, and an auxiliary cleaning unit connected to the nozzle assembly and including a cloth supporter to which a cloth is attached. The nozzle assembly includes a front wheel and a rear wheel spaced apart from the front wheel, and a shaft of the rear wheel is relatively movably connected to the nozzle assembly to change a contact area between the cloth and a floor.

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