Nailer with brushless DC motor
US8162073B2 · kind B2 · utility
10Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2009 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Aug 18, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C5/15
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A device for impacting a fastener in one embodiment includes a drive mechanism configured to impact a fastener, a lever arm pivotable between a first position and a second position, and a motor including a plurality of permanent magnets mounted on a rotatable housing, the motor mounted on the lever arm such that when the lever arm is in the first position, the rotatable motor housing is isolated from the drive mechanism and when the lever arm is in the second position, the rotatable motor housing is positioned to transfer rotational energy to the drive mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.