Importance

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Abstract

An actuation device capable of changing its operating condition between a stable rest position and a stable work position has a monostable actuation unit with a body and at least a shaft movable as a function of the energization available to the actuation unit, and a kinematic motion assembly for converting the movement of the shaft into a bistable actuation, the kinematic motion assembly including a slider linearly movable in response to action of the shaft and a device for converting subsequent linear movements of the shaft in the passage of the slider between the stable positions and the maintaining of the same. According to the invention, the device is arranged sideways to the slider with reference to the motional direction of the latter, where subsequent movements of the slider cause at least a displacement of a hooking element being part of the device between at least a first and a second position, in the first position the device maintains the slider in the stable work position and in the second position the device allows the slider to pass in the stable rest position.

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First Claim