| 摘要 |
<p>PURPOSE:To protect an article which is apt to be easily damaged by dust from dust and to transport the same by providing a cover having an article carry in-and-out port in an article storing space above a load-carrying platform, dispos ing a clean air jet device for jetting clean air to the article storing space on the cover and freely opening and closing the article carry in-and-out port by a blocking plate. CONSTITUTION:A driving conveyer 4 as a load-carrying platform 3 is provided on the upper wall of a main body 2 of a car body of an unmanned transport vehicle 1, and a cover 11 is disposed in such a manner as to form an article storing space above the conveyer. A clean air jet device 16 having an air nozzle facing the article storing space 9 is installed on the cover 11. The clean air jet device 16 includes a blower 17, a filter 18 and a current plate 19. Article carry in-and-out ports 26 are formed on right and left side walls of the cover 11, and freely opened and closed by blocking plates capable of freely elevating. The blocking plates 27 are elevated by opening and closing devices 28 and opened only when an article is carried in and out the driving conveyer 4.</p> |
