Slide door opening and closing device for vehicles

摘要

A slide door opening and closing device for vehicles including a wire winding pulley provided at a step panel positioned at under part of a vehicle and driven by a motor, a driven pulley, a lower roller supporting member, and a wire wound on said each pulley wherein the wire includes two wires, one end of each wire is fixed to wire winding pulley having a rotation axis in approximately horizontal direction, and the other end of each wire is attached to the lower roller supporting member through a spring.