| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To smoothly travel on a curve by a compact carriage. <P>SOLUTION: A large diameter driving wheel 16 and a small diameter driving wheel 18 are respectively connected to the right and left of a traveling motor 12, and in a rectilinear travel section, travel is performed by contacting the large diameter driving wheels 16 and 16 with treads 36 and 36. In a curve section, the small diameter driving wheel 18 is contacted with the tread 38 on the inner ring side, and the large diameter driving wheel 16 is contacted with the tread 36 on the outer ring side, and a difference between inner and outer rings is eliminated. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
