POWER TOOL
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Apr 22, 2024
filing date -
Dec 8, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A power tool includes a transmission mechanism provided with transmission gears for making an output shaft output different rotational speeds, where the number of transmission gears is greater than or equal to 3; the transmission mechanism includes multi-stage planetary gear sets; each stage of the multi-stage planetary gear sets includes one layer of planet gears in an axial direction; the total number of the multi-stage planetary gear sets is less than or equal to the number of transmission gears; and among the multi-stage planetary gear sets in the multiple stages, a first-stage planetary gear set closest to a motor shaft includes a first drive state and a first variable state, and any one of the remaining planetary gear sets is connected to a clutch mechanism.
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