| 摘要 |
A shield for a helmet includes an inner shield and an outer shield which are fixed and held while their mutual sealing characteristics are positively assured and wherein the inner shield and the outer shield can be separated from each other. A shield 2 is removably attached to an outer side of an inner shield 1 attached in such a way that it can be freely turned in an upward or downward direction in respect to a helmet main body B through a resilient seal member 11 installed along a substantial outer circumference of a visual field range and concurrently a tension force for generating a force for press adhering the seal member 11 is applied to the shield 2 outside of it and then it is supported at the inner shield 1.
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