Electric tool system
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United States of America Patent
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Apr 16, 2019
Grant Date -
Feb 15, 2018
app pub date -
Mar 4, 2016
filing date -
Mar 11, 2015
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A power tool system includes a battery pack, a charger connectable to the battery pack, and a power tool body connectable to the battery pack. The battery pack includes a battery pack memory that stores identification information in a smallest unit allowing for communication with the charger and the power tool body. Each of the charger and the power tool body includes a device memory that stores at least one piece of identification information of a usable battery pack. Each of the charger and the power tool body or the battery pack includes a determination unit that determines whether or not the at least one piece of identification information stored in the device memory includes the identification information stored in the battery pack memory.
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