| 摘要 |
A gear-reducing, torque-multiplying gear drive assembly includes a stationary outer case housing an internal rotary carrier having an output shaft fixed thereto which is journaled by the case for rotation of the carrier and shaft relative to the case. A pair of electric motors are mounted on the carrier and drive a pair of associated planet gears which are enmeshed with a fixed sun gear. Operating the motors rotates the planet gears causing the carrier and the output stub shafts fixed thereto to rotate about a common axis of the stub shafts.
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