Patent · US Active

Collar system for a dust extractor

US11541498B2 · kind B2 · utility

0Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2019
Grant dateJan 3, 2023
Priority date
Expiry dateDec 16, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D2217/0057
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A collar system for a dust extractor is provided including: a collar including a drill passage extending through the collar and an extension forming an internal passage that connects at one end with the drill passage, the extension being attachable to a housing of the dust extractor to enable the internal passage to connect to a suction passage of the dust extractor; and a cover mounted adjacent an entrance of the drill passage, the cover being moveable between a first position where it covers the entrance and a second position where is remote from the entrance, wherein the cover comprises at least hole that passes through the cover.

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