发明授权
US4836711A Hinge-assembly, particularly for underwater mounting 失效
铰链装配,特别适用于水下安装

Hinge-assembly, particularly for underwater mounting
摘要:
A hinge assembly for barrier gates, sluice gates and the like attempted to be raised from beneath the sea, has a fixed portion mounted in a base which can be provided with a tunnel affording access to it and enabling a tierod to pull a replaceable body against this fixed portion. The body carries the movable part of the hinge and is provided with a rotating joint enabling compressed air to be delivered to the barrier.
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