Power tool including a fuel gauge and method of operating the same
US7649337B2 · kind B2 · utility
31Cited by
143References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 2006 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool and a method of operating a power tool. The power tool can include a housing supporting a motor, a switch assembly, and a fuel gauge. The method can include the acts of activating the switch assembly to electrically connect the motor and a battery, measuring a state of charge of the battery, displaying the state of charge on the fuel gauge before electrically connecting the motor and the battery, and stopping the display of the state of charge before deactivating the switch assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.