Electric tool
US6127751A · kind A · utility
54Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1999 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Sep 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/207
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric tool including a hammer mechanism (9), a drive motor (11) for driving the hammer mechanism (9), a gear (10) for connecting the drive motor (11) with the hammer mechanism (9), a ventilator wheel (7) provided in an end region of the drive motor (11) remote from the gear (10) and connected with an exhaust opening (8), and separate air channels (3,4) having each a suction opening (5,6) and ending at a side of the wheel (7) adjacent to the drive motor (11), with one of the air channels (3) being associated at least with the gear (10), and another of the air channels (4) being associated at least with the drive motor (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.