Brushless motor and handheld power tool using the same
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United States of America Patent
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Jul 23, 2024
Grant Date -
Mar 25, 2021
app pub date -
Dec 9, 2020
filing date -
Jun 28, 2018
priority date (Note) -
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Abstract
A brushless motor includes a stator and a rotor installed in the stator. The stator includes a front insulating frame and a rear insulating frame. The rotor includes a rotating shaft, a front bearing, a rear bearing, a front-end cover and a rear-end cover. The front-end cover is located on the front side of the rotor and installed on the front bearing. The rear-end cover is located on the rear side of the rotor and is installed on the rear bearing and abuts against the rear insulating frame. The front side of the front insulating frame is provided with multiple first snap parts. The front-end cover is provided with multiple second snap parts in the circumference. The first snap parts are snap-fitted with the second snap parts.
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