| 摘要 |
The combination of a protective helmet of rigid material, a face shield, and a connector means for pivotally connecting, supporting and orienting a face shield on the head protective helmet, and which includes resilient means supporting the connector means on the face shield with the connector means normally being engaged in openings in the helmet and which are resiliently and yieldably removable from the openings to detach the shield from the helmet.
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