| 摘要 |
A safety device (20) for a gymnastic machine (1) provided with a frame (5) and with a gravitational load group (10) connected to an interface (2) designed to allow a user of the gymnastic machine (1) to perform exercises against the action of the load group (10); the load group (10) comprising a movable equipment (19) provided with at least one load element (11) carried, in a freely sliding manner along a given direction (V), by respective guiding elements (12) associated to the frame (5); the safety device (1) comprising a return group (21) suitable, in use, to exert a given return force (F) on the movable equipment (19) so as to prevent substantially inertial ascending displacements thereof.
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