| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enhance the straight forward traveling performance of a carrying dolly having swivelling wheels at the bottom four corners thereof. <P>SOLUTION: In the carrying vehicle having the wheels 1a to 1d fitted to positions near the bottom four corners thereof, all four wheels 1a to 1d are of swivelling types, and steering rotating axes SC through which the swivelling wheels 1a to 1d are rotated in the directional change of the dolly are tilted so that the steering rotating axes SC of the both front and rear swivelling wheels 1a and 1b (1c, 1d) are arranged in an inverted truncated chevron shape as viewed in the lateral direction relative to the longitudinal moving direction X defined for the dolly. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
