发明名称 |
DEVICE FOR PREVENTING ACCESS TO DERRICK LADDERS |
摘要 |
A panel (6) has a flap (9) for closing a person-passing opening (4') (e.g. leading into a ladder cage (4)) and is pivotally mounted to one of the risers of the ladder (1). A locking element (10) having a padlock-receiving hole (12) is pivotally mounted on the other riser (2) and is connected by a first link (14) to an intermediate lever (16) having a finger (23) for holding the panel (6) in its closed position, said intermediate lever being operable from inside the cage (24) by means of an operating lever (21). |
申请公布号 |
DE3564719(D1) |
申请公布日期 |
1988.10.06 |
申请号 |
DE19853564719 |
申请日期 |
1985.01.25 |
申请人 |
ETABLISSEMENTS CHARLES COUTIER |
发明人 |
COUTIER, CHARLES |
分类号 |
E06C7/00;E06C7/18;E06C9/02;(IPC1-7):E06C9/02 |
主分类号 |
E06C7/00 |
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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