| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power-assisted truck in which a withstand load of wheels can be secured sufficiently and sufficient traction can be obtained. <P>SOLUTION: The power-assisted truck 1 in which power is assisted with an electric motor as an operator pushes the truck, includes: a caster wheel 4 steered to head for the advancing direction by frictional resistance; right and left drive wheels 5 with power applied thereto by the electric motor; and right and left roller wheels 6 juxtaposed mutually with the right and left drive wheels 5 in the right and left direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
