Power tool
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United States of America Patent
Stats
-
Jan 5, 2021
Grant Date -
Feb 15, 2018
app pub date -
Nov 27, 2015
filing date -
Dec 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power tool includes: a battery connecting part to which one of a first battery pack and a second battery pack having capacity smaller than that of the first battery pack is detachably attachable; a motor driven by electric power supplied from the battery pack; current detection means configured to detect a discharge current flowing from the battery pack to the motor; cut-off controlling means configured to cut off the discharge current when the discharge current becomes equal to or larger than a current threshold; and battery type discrimination means configured to discriminate the battery pack connected to the battery connecting part. The current threshold when the second battery pack is connected to the battery connecting part is lower than that when the first battery pack is connected to the battery connecting part.
First Claim
Family
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