Power tool
US8944179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2011 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Jun 28, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/001
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A power tool that includes a driving motor and a power transmitting mechanism. The power transmitting mechanism includes a first clutch cam part, a second clutch cam part, clutch teeth, a clutch detecting mechanism and a controller that can control the driving motor in a first control mode in which the driving motor is controlled to rotate at a first rotation speed until before the first and second clutch cam parts are engaged with each other at the clutch teeth and in a second control mode in which the driving motor is controlled to rotate at a second rotation speed higher than the first rotation speed after the first and second clutch cam parts are engaged with each other at the clutch teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.