| 摘要 |
Actuating device for recalling into a predefined position transmission elements (1,2) such as rods, connecting rods and the like, comprising a container element (10) which has, coaxially inserted inside it, a preassembled group (100) comprising at least one bar (110) provided with two annular projections (120) and at least one spring (130) arranged between said annular projections (120) and designed to be compressed by axial sliding of the bar (110) relative to the cylinder (10), means (13,150) for locking said group (100) in position relative to the container (10) being provided.
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