| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To quicken operation by adjusting spring strength by using cargo load and to simplify assembling and reduce the size of a device itself by making a structure simple. <P>SOLUTION: This suspension device for an automated guided vehicle comprises a pair of suspension arms 11 which are vertically swingably mounted to a vehicle body frame 2 and to which drive wheels 7 with electric motors 6 are mounted; a pair of connection rods 12 swingably connected to free end parts of the both suspension arms 11; a pair of spring units 13 fitted to the both connection rods 12 and having compression springs 13c, 13d; and a connection bar 14 having both ends which are vertically movably fitted to upper end parts of the connection rods 12 while coming-off of the both ends is prevented and are supported by the both spring units 13, displaced downwardly by receiving load of a table 4 or load of both the table 4 and cargo, and compressing the compression springs 13c, 13d of the both spring units 13. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
