Patent ID: 8714090

Claim:
A time control device for the movement of a micro-machined or micro-engraved counterweight with respect to a substrate, wherein said counterweight moves in a housing, wherein said counterweight comprises at least one face having at least one first indentation intended to cooperate with at least one second indentation on said housing so as to ensure the delaying of said movement of said counterweight, wherein at least one first flexible tongue is delimited in said counterweight by at least one first opening engraved in said counterweight or at least one second flexible tongue is delimited in said housing by at least one second opening engraved in said housing, wherein said first indentation on said counterweight is made on at least one of said first flexible tongue or said second indentation on said housing is made on at least one of said second flexible tongue, said first or second flexible tongue being able to be deformed by bending during the displacement of said counterweight.