| 摘要 |
PCT No. PCT/EP87/00404 Sec. 371 Date Mar. 3, 1988 Sec. 102(e) Date Mar. 3, 1988 PCT Filed Jul. 28, 1987 PCT Pub. No. WO88/03069 PCT Pub. Date May 5, 1988.A clamping device for clamping a fireproof plate into a metal frame of slide gate includes a clamping jaw that can be pressed against the plate perimeter. A wedge-shaped member acts on the clamping jaw and is threaded onto a bolt that is rotatably positioned in the frame. The clamping jaw and the wedge-shaped member have engaging slots and keys that cause positive withdrawal of the clamping jaw upon loosening the wedge-shaped member.
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