发明名称 |
Device for keeping free a personnel barrier grid |
摘要 |
Device for keeping free a personnel barrier grid in inaccessible spaces which serve for light and substance exchange, such as construction shafts, ducts, chimneys etc., in public constructions and industrial installations. A comb-like device reaches in a cutting manner between the fixed grid bars and removes the foreign bodies held by the barrier grid.
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申请公布号 |
DE3512572(A1) |
申请公布日期 |
1986.10.16 |
申请号 |
DE19853512572 |
申请日期 |
1985.04.06 |
申请人 |
MASCHINENFABRIK HELLMUT GEIGER GMBH & CO KG |
发明人 |
MARZLUF,WERNER;OTT,GUENTER,DIPL.-ING. |
分类号 |
E06B9/01;(IPC1-7):E06B9/01 |
主分类号 |
E06B9/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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