POWER TOOL

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200028414A1
SERIAL NO

16455938

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A power tool that is powered by a battery pack includes a function member, a motor, a motor driving circuitry, an energy storage component, an electromagnetic switch, and a power-off protection module. The electromagnetic switch includes a coil, a first switch electrically connected to the coil and configured to turn on and off an electrical connection between the coil and the battery pack, and a second switch electrically connected to the motor driving circuitry and configured to turn on and off an electrical connection between the battery pack and the motor driving circuitry. The power-off protection module is electrically connected to the coil and to the energy storage component and is configured to cut off an electrical connection between the coil and the energy storage in response to the power tool and the battery pack being electrically disconnected.

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Patent Owner(s)

  • Owner owned or assignment not recorded

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duan, Junya Nanjing, CN 12 39
Yang, Yuwei Nanjing, CN 1 0

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