FIELD: mechanical engineering; displacing actuating mechanisms. SUBSTANCE: proposed drive can be used for operating contact system disconnectors. Screw drive has housing, motor coupled with screw of screw pair and slotted-like mechanism. Nut of above-indicated screw pair is arranged in slider. Trunnions found at opposite sides of slider consist of two parts, each. Bushings are fitted on these parts. Some bushings engaging with slotted-link mechanism are provided with beads at side of slider. Other bushings engage with housing guides. Slots of slotted links are closed. EFFECT: improved reliability at simplified design of slotted-link mechanism. 7 cl, 5 dwg
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