Patent 10084360 was granted and assigned to Makita on September, 2018 by the United States Patent and Trademark Office.
The present application discloses an electric working machine. The electric working machine includes: a motor including a rotor; a sensor board including a magnetic sensor for detecting magnetic variation due to rotation of the rotor; and a housing which contains the motor and the sensor board. in the electric working machine, the sensor board does not cover an entire circumference of the rotor. In the electric working machine, the sensor board has a portion covering the rotor, and a portion not covering the rotor.