Debris removal system for power tool
US8397342B2 · kind B2 · utility
11Cited by
74References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | May 6, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T409/304088
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A debris removal attachment for use with a hand-held power tool. The attachment includes an extension shaft, a first impeller coupled to the extension shaft, and a housing provided adjacent the first impeller. The rotation of the first impeller is configured to generate a pressure differential sufficient to draw debris into the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.