Power tool with light unit
US7934847B2 · kind B2 · utility
39Cited by
26References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2007 |
| Grant date | May 3, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/96
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool includes a motor as a drive power source, a body housing the motor and having an end output unit for chucking an end tool, a handle grip connected to the body; and a light unit disposed to one of the handle grip and the body, and having a light-emitting element for providing illumination near the end tool. The light unit comprises switch means for switching the light-emitting element on and off, and an off circuit for automatically turning the light-emitting element off at a predetermined time after the light-emitting element turns on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.