| 摘要 |
A mobile ring ( 1 ) connecting/release device ( 8 ), in particular for a high mast with a tower with predetermined height and a fixed supporting head ( 3 ) at one end of the tower. The device ( 8 ) comprises connecting means attached to the mobile ring ( 1 ) for removably connecting it to the fixed supporting head ( 3 ). In an original way, these means have rigid contact elements ( 9 ) shaped in such a way that they rest on corresponding supporting head ( 3 ) contact portions ( 10 ).
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