Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 27, 2023
0Patent Application Number
174902330
Date Filed
September 30, 2021
0Patent Primary Examiner
A power transmission device including: a motor to drive a rotary shaft; a first reducer connected to the rotary shaft to reduce rotational angular velocity of the rotary shaft; a second reducer connected to the rotary shaft to reduce rotational angular velocity of the rotary shaft; a first clutch disposed between the rotary shaft and the first reducer to connect and disconnect the rotary shaft and the first reducer; a second clutch disposed between the rotary shaft and the second reducer to connect and disconnect the rotary shaft and the second reducer; and a third clutch disposed outside the second reducer to connect and disconnect the second reducer and an external component.
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