The invention relates to an electronic quick-stop deactivation mechanism for an emergency stop device (1) that is inserted into a breech drive (100) and that at least comprises an angle lever (5) and a depression lever (3) for a toothed disc, as well as a cam (4), said depression lever (3) and cam (4) being connected to the angle lever (5) by means of a shaft (12), and said deactivation mechanism being formed from an electronic assembly (20) having at least one rotatable cam (26) that can act on said cam (4) of the emergency stop device (1) and can adjust this, along with the angle lever (5) and the depression lever (3), such that said emergency stop device (1) releases the breech drive (100).
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