HANDHELD POWER TOOL WITH BRUSHLESS ELECTRIC MOTOR
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
May 14, 2024
filing date -
Oct 14, 2015
priority date (Note) -
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Abstract
A power tool comprising: a housing including a motor case and a handle portion extending along a longitudinal axis of the housing from the motor case; an electric motor having a drive shaft and mounted within the motor case; a partitioning wall extending radially between the motor case and the handle portion and forming a bearing pocket therein; a rear bearing mounted on the drive shaft and received into the bearing pocket to support the drive shaft relative to the housing; two elongate walls extending rearwardly from the partitioning wall along two sides of the handle portion; a power control module supported by the two elongate walls within the handle portion, the power control module including a circuit board having a motor drive circuit configured to drive the electric motor; and at least one cover secured to the two elongate walls to cover the circuit board.
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