摘要 |
1. The individual mining prop consists of two straight sections of arching profiles. The sections overlap partly and they are clamped with at least one crosswise strap and with bolts. Unique characteristics: The lugs (12) containing bolts (4) are integrated with the profile section, which constitutes the stool shoot (2) of the prop. It is also equipped with the supports (5) integrated with the stool shoot (2) on its sides and below the bottom strap (3). The supports reach up to the bottom edge of the strap (3).
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