| 摘要 |
<p>In the usage raised position, the protection has the form of a four-sided cabin, formed by a protective sheet (2) in which the tubular frame (1) forms corner posts (3), each composed of telescopically connected tubes. The protective sheet is formed in one piece, and has two side fields (9), a rear field (10), a front field (11), and a roof field (12). The front field has a closable entrance opening (13) which evolves into a hole for the head of a user in the roof field. The corner posts are connected in pairs with one another by relesable braces (4) extending along the upper parts of the two side fields and supporting the protective sheet.</p> |
