Patent · US Active

Vacuum cleaning device

US11517158B2 · kind B2 · utility

0Cited by
8References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 2019
Grant dateDec 6, 2022
Priority date
Expiry dateJan 17, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25F5/02
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A dust extraction device for a hand-held power tool includes a housing, a mechanical interface for releasably connecting the dust extraction device to the hand-held power tool, a dust-collecting chamber which is connected to a filter unit, and a filter-cleaning unit. The filter-cleaning unit has an impact element which is mounted moveably in and/or on the housing of the dust extraction device. The impact element is designed to act upon the filter unit directly with an impact-like force.

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