Reciprocating electric tool
US8922141B2 · kind B2 · utility
1Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2010 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Jan 20, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D11/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention provides a reciprocating electric tool (1) having a brushless motor (3), a plunger (52), and control means (6). The plunger (52) is driven by the brushless motor and reciprocating between two dead centers. A end bit (7) is mounted to one end of the plunger in a reciprocating direction. The control means (6) controls a rotational speed of the brushless motor based on a position of the plunger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.