| 摘要 |
<p>It is possible to remove rain, sleet, snow and the like adhering to a shield for ensuring a constantly stable visibility, in addition to an inherent function of a shield, by mounting an electric motor (3) centrally inside of a dish-like disk type transparent shield (2) and rotating the same to make use of a powerful centrifugal force generated. Further, all parts can be stored in a helmet in view of a small storage space available in an autobicycle. In addition, a simple modification to an existing helmet permits a user to easily and simply use a shield mechanism of the invention.</p> |
