| 摘要 |
PROBLEM TO BE SOLVED: To provide an unmanned truck for elevating a drive unit and holding a stop position at the time of stopping inexpensively without consuming power. SOLUTION: This truck comprises a caster 3, a drive unit 5 having a drive wheel 7, and an elastic element 13 energizing the drive wheel 7 in a direction for grounding on a floor. The truck also comprises a cable member 55 for raising the drive wheel 7 from the floor against an energizing force of the elastic element 13, when the truck is connected with the drive unit 5 and pulled. COPYRIGHT: (C)2005,JPO&NCIPI
|
