Patent · US Expired

Suction device

US7325273B2 · kind B2 · utility

11Cited by

7References

10Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Thomas Thanner · Munich, DE
Norbert Daam · Oberdießen, DE

Key dates

Filing date	Feb 11, 2005
Grant date	Feb 5, 2008
Priority date	—
Expiry date	Dec 14, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T409/30868
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A suction device (2) for a hand-held power tool and which is releasably connected with the power tool, includes a suction blower wheel (20) for producing a suction air stream in a suction path (S) and located in the device housing (10), a rolling bearing (28) for supporting the suction blower wheel (20) in the device housing (10), a blower shaft (26) for driving the suction blower wheel (20), and a drive coupling (38) for rotatably frictionally connecting the blower shaft (26) with the drive shaft (42) of the hand-held power tool (4) in a connected condition of the drive shaft (42) with the blower shaft (26).

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