| 摘要 |
<p>A guard cover comprising a first guard cover (12) covering an inspection device from front and above and openable vertically and a second guard cover (13) covering, when closed, a maintenance device from side continuously with the first guard cover, supporting the first cover, and openable horizontally. Therefore the guard covers can be separately openable. That is, the inspection device can be inspected by an operator in the range that the first guard cover (12) is opened and the maintenance device is checked by a service man in the range that the second guard cover (13). The object to be inspected and the object to be maintained are clearly distinguished from each other by the guard covers, and the efficiencies of inspection and maintenance are greatly improved.</p> |
