| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a front guard from being released from a side guard even if the front guard of a fan guard for an axial flow fan is pulled forward with a force of 20 Newton.SOLUTION: This invention relates to a fan guard comprising a front guard 12 for covering a front surface side of a blade 10, a side guard 14 covering a side surface of the blade 10 and a back guard 16 covering a rear surface of the blade 10. When the front guard 12 is rotated in a prescribed direction to set the front guard 12 at a prescribed angular position in respect to the side guard 14, a movable side absorbing body 28 of the front guard 12 and a fixed side absorbing body 24 of the side guard 14 are absorbed and connected to each other to keep the angular position and at the same time, a movable side engaging member 26 of the front guard 12 and a fixed side engaging member 22 of the side guard 14 are engaged to each other.</p> |
