| 摘要 |
A scaffold device including a frame having four stanchions, an upper peripheral railing mounted to tops of the stanchions, and a pair of cross brace assemblies mounted between the stanchions. A platform is also mounted between the stanchions. A plurality of drive units each include a housing with a wheel rotatably mounted therein with a motor operatively coupled thereto for rotating the wheels upon the actuation thereof. The housings are each rotatably mounted on a bottom end of one of the stanchions with an associated motor operatively coupled thereto for pivoting the housing and wheel upon the actuation thereof. Also included is a control assembly in communication with the motors for actuating the same.
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