| 摘要 |
A safety device (1) for hydraulic distribution units, which comprises a first normally-closed flow control unit (2) which can be associated with the input of a distribution unit (D), of the type which comprises at least one slider which can move with a reciprocating motion along a corresponding receptacle formed in a body for opening and closing ports for the passage of a working fluid, first driving means (3) for opening the first flow control unit (2) and first means (4) for sensing the position of an operator at a control post for actuating the distribution unit (D), which are functionally associated with the driving means, the first sensing means (4) being suitable to activate the first driving means (3) to open the first flow control unit (2) if the operator is located at the control post.
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