FIELD: machine building.
SUBSTANCE: invention is related to machine building, to drives for reciprocal motion of units and parts. Driving cable for reciprocal motion of mechanisms comprises movable metal core with protective coat in the form of synthetic bush with ribbed surface. Cable is installed inside concentric armored shell with walls made of synthetic material in the form of internal and external bushes. On surface of shell internal bush along its whole length there is at least one rib arranged with helical shape with preset pitch of turns. Helical rib has conical shape in cross section and is arranged with spiral pitch that provides for shell contact with core only along surface of helical rib at any permissible bending of cable.
EFFECT: reduced friction forces during core displacement relative to shell and according reduction of forces applied by operator to control lever.
3 cl, 1 dwg
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