Kickback control methods for power tools
US11607790B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2021 |
| Grant date | Mar 21, 2023 |
| Priority date | — |
| Expiry date | Jul 1, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/265
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor coupled to the switching network and the movement sensor and configured to implement kickback control of the power tool. To implement the kickback control, the electronic processor is configured to control the switching network to drive the brushless DC motor, receive measurements of the angular velocity of the housing of the power tool from the movement sensor, determine that a plurality of the measurements of the angular velocity of the housing of the power tool exceed a rotation speed threshold, and control the switching network to cease driving of the brushless DC motor in response to determining that the plurality of the measurements of the angular velocity exceed the rotation speed threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.