Invention Application
- Patent Title: POWER TOOL
- Patent Title (中): 电动工具
-
Application No.: US14045225Application Date: 2013-10-03
-
Publication No.: US20140096988A1Publication Date: 2014-04-10
- Inventor: Shinji HIRABAYASHI , Yoshitaka ICHIKAWA
- Applicant: MAKITA CORPORATION
- Priority: JP2012-222915 20121005
- Main IPC: B23Q5/04
- IPC: B23Q5/04 ; B25F5/00

Abstract:
A brush cutter as a power tool includes a combustion engine, an electric motor, a gear head which drives a blade, a battery pack which provides electric current to the electric motor and a controller which controls a driving of the blade. An output shaft of the combustion engine and an output shaft of the electric motor are arranged coaxially to each other. Further, the combustion engine drives the gear head and thereby the blade is driven. The controller has a first control mode in which the blade is driven and a second control mode in which the battery pack is charged. In the second control mode, the controller controls the combustion engine so that the combustion engine drives the electric motor as a generator without driving the blade, and the battery pack is charged by the generator.
Information query