| 摘要 |
A face shield for a helmet comprising a shield body member for removable attachment to the helmet and having an aperture for free vision of the wearer, a replaceable transparent face shield having a shape substantially similar to the aperture and means for removably attaching the transparent panel to the body member in juxtaposition to the aperture. Also included is a means for automatically restraining the shield body member in at least one predetermined position.
|
