Patent · US Expired

Dust removal unit for a hand tool device

US6851898B2 · kind B2 · utility

58Cited by

9References

5Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Manfred Ege · Huglfing, DE
Josef Fünfer · Königsbrunn, DE
Josef Moser

Key dates

Filing date	Mar 26, 2002
Grant date	Feb 8, 2005
Priority date	—
Expiry date	Jul 13, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T408/99
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A dust removal unit (1) includes an adjustable axial depth stop (5) for an at least partially rotatable hand tool device (2) with a radially displaced, rotationally fixed, telescopable, axially limited movable suction tube assembly with a suction tube (4) running parallel to the axis (A) of the tool device (2) and coupled at one end to a suction head (3). The suction tube (4) includes an axially extending pleated bellows (6).

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