| 摘要 |
An electrically-powered device incorporated in a toy comprising a motor-driven mechanism and a pair of robotic-limbs each with a resilient sucker to emulate human walking motion on vertical wall or on ceiling, providing the surface is virtually smooth and leveled. The motor and gear assembly is housed in the gearbox while a gear-engaged shaft adjoins a pair of driving wheels, which output the force to a pair of geneva wheels. The geneva wheels that are coupled with the limbs rotate in varied velocity as long as the driving studs of the driving wheel dwells. A lever is disposed in the limb and is actuated by the driven wheel to lift up the sucker that is located at the bottom of the limb, whenever the limb is designated to leave the surface. The pair of driving wheels are properly orientated while one of the geneva wheels is arranged at 180 degree out of phase to its counterpart to ensure either one of the limbs clinched firmly onto the surface.
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